Chemical resistance chart

This list of chemical resitance of rubber to different substances has been completed following relevant literature (ISO TR 7620-2005 and others). This list is to be considered as a recommendation guide of use for rubbers, but better criteria it is recommended to make an specific test of the elasotmer and the concrete substance.

Classification of rubber for different chemical media/Clasificación del caucho en diferentes medios químicos

    

Medium

Concentration %

Temp., °C

Material

    

1 - No significant effect / Sin efecto significativo
2 - Minor effect / Efecto menor
3 - Moderate effect / Efecto moderado
4 - Severe effect / Efecto severo

NR/IR

BR

SBR

IIR

BIIR/CIIR

EPDM

NBR

HNBR

CR

CSM

MQ

FKM

    

Classification of rubber for different chemical media/Clasificación del caucho en diferentes medios químicos

    

Medium

Concentration %

Temp., °C

Material

    

1 - No significant effect / Sin efecto significativo                    2 - Minor effect / Efecto menor                                                    3 - Moderate effect / Efecto moderado                                           4 - Severe effect / Efecto severo

NR/IR

BR

SBR

IIR

BIIR/CIIR

EPDM

NBR

HNBR

CR

CSM

MQ

FKM

    

Acetaldehyde

  

23

3

4

4

1

-

1

4

-

4

3

1

4

    

Acetamide

  

100

4

3

3

1

-

1

2

1

2

2

2

2

    

Acetic acid

10

50

4

4

4

2

2

3

4

-

4

2

2

4

    

50

50

4

4

4

3

3

4

3

-

4

3

1

4

    

25

100

4

4

4

4

4

4

4

-

4

4

2

4

    

Acetic anhydride

  

23

1

2

2

2

-

2

4

4

1

1

3

4

    

Acetone

  

23

1

1

1

1

2

1

4

4

2

3

2

4

    

Acetophenone

  

23

3

4

4

1

-

1

4

4

4

4

-

4

    

Acetyl chloride

    

-

-

-

-

-

-

-

4

4

4

-

1

    

Acetylene

    

1

1

1

1

-

-

1

-

2

2

3

1

    

Acrylonitrile

  

50

4

4

4

4

-

3

4

4

3

3

-

4

    

Adhesives (see solvents)

                                

Adipic acid

  

23

-

-

-

-

-

-

1

1

-

-

-

-

    

Air a

  

70

1

-

1

1

-

1

1

1

1

1

1

1

    
 

100

2

2

2

1

-

1

-

-

-

-

1

1

    
 

150

4

-

3

1

-

2

3

-

3

3

1

1

    
 

200

4

4

4

4

-

3

4

-

4

4

1

1

    

Allyl alcohol

  

23

-

-

-

2

-

-

1

-

3

1

-

-

    

Ammonia, anhydrous

  

23

1

-

-

1

-

1

1

  

1

3

3

4

    

Ammonia, gas

  

Cold

1

1

1

1

-

1

1

1

1

-

1

4

    
 

Hot

3

3

3

3

-

2

3

4

1

-

1

4

    

Ammonia, liquid

  

23

2

-

1

2

-

1

1

2

1

4

4

4

    

Ammonium carbonate

Sat

70

1

1

1

1

-

1

4

4

2

2

2

-

    

Ammonium hydroxide

10

23

1

-

1

1

2

1

1

-

1

1

1

1

    

Conc

23

1

1

1

1

1

1

2

-

1

1

1

1

    

Amyl acetate

  

23

2

-

4

2

-

2

4

4

4

4

4

4

    

Amyl alcohol (pentanol)

  

50

2

1

1

1

2

1

2

2

1

1

2

1

    

Amyl borate

    

4

4

4

4

-

4

1

1

1

-

-

-

    

Amyl chloronaphthalene

    

4

4

4

4

-

4

4

4

3

4

4

1

    

Amyl naphthalene

    

4

4

4

4

-

4

3

4

4

4

4

2

    

Aniline

  

23

2

2

2

2

1

1

4

4

3

4

4

1

    
 

100

4

-

4

2

-

1

4

-

4

4

4

3

    

Aniline hydrochloride

    

2

3

3

2

-

2

2

-

4

4

4

2

    

Animal oil (bone oil)

  

50

4

4

4

2

-

2

1

1

2

2

1

1

    

Ansul ether

    

4

4

4

3

-

3

3

3

4

4

3

4

    

Antifreeze (see ethylene glycol and methanol)

                                

Anti-rust agents (see oxalic acid and phosphoric acid)

                                

Aqua regia

  

23

4

4

4

3

-

-

4

4

3

3

-

2

    

Arsenic acid

    

1

-

-

1

-

1

-

1

1

1

-

-

    

Asphalt

  

100

4

4

4

4

-

4

2

-

3

3

4

1

    

Barium hydroxide

Conc

100

1

1

1

1

-

-

1

1

1

1

1

-

    

Benzaldehyde

  

23

4

-

4

2

-

1

4

4

4

4

1

3

    
 

100

4

-

4

4

-

1

4

-

4

4

1

3

    

Benzene

  

23

4

4

4

4

4

4

4

4

4

4

4

2

    

Benzenesulfonic acid

    

-

-

-

-

-

-

-

-

1

1

-

1

    

Benzoic acid

  

23

-

-

1

1

-

-

1

-

1

-

1

1

    

Benzyl alcohol

  

23

-

-

2

1

-

1

4

-

2

2

1

1

    

Benzyl benzoate

    

3

4

4

1

-

2

4

-

4

-

-

1

    

Benzyl chloride

  

23

3

3

3

2

-

4

4

-

4

4

-

1

    

Bleach (see calcium hydrochlorite)

                                

Body fluids (see oleic acid and palmitic acid, salt solution and urea solution)

                                

Bone oil (see animal oil)

                                

Boric acid

10

100

1

1

1

1

-

1

1

1

1

1

2

1

    

Boron fuel (type of rocket fuel)

    

-

-

-

-

-

-

-

2

-

-

-

2

    

Brake fluid (vegetable oil type)

  

50

1

1

1

1

-

1

4

-

1

1

1

3

    

Bromine

  

23

4

4

4

4

-

-

4

-

4

3

4

1

    

Bromine trifluoride

    

4

4

4

4

-

4

4

4

4

4

4

4

    

Bromobenzene

    

4

4

4

4

-

4

4

4

4

4

4

1

    

Bunker oil

    

4

4

4

4

-

4

1

1

4

4

3

1

    

Butadiene

  

23

4

4

-

3

-

3

4

-

2

2

-

2

    

Butane liquid

  

23

4

4

4

4

4

4

1

1

2

2

4

1

    

Butanediol

  

23

-

-

-

1

-

1

4

-

1

2

-

1

    

Butanol

  

50

1

1

1

1

1

1

1

1

1

1

2

1

    
 

100

4

4

4

1

1

-

1

-

3

2

4

3

    

Butene

    

4

4

4

4

-

4

1

-

1

2

-

1

    

Butter (water-free)

  

100

4

4

4

4

4

3

1

1

3

3

1

1

    

Butyl acetate

  

23

4

4

4

3

-

2

4

-

4

4

4

4

    

Butyl acetyl ricinolate

    

3

4

4

1

-

1

3

2

4

2

-

1

    

Butyl acrylate

  

50

-

-

4

4

-

4

4

4

4

4

1

4

    

Butylamine

  

23

4

4

4

3

-

4

4

3

4

4

4

4

    

Butyl benzoate

    

-

-

-

1

-

1

-

-

4

4

-

1

    

Butyl carbitol

  

23

2

-

2

1

-

1

3

4

3

2

4

4

    

Butyl glycol

(see butyl cellosolve)

                                

Butyl oleate

    

4

4

4

2

-

2

-

4

4

4

-

1

    

Butyl phenol

  

23

-

-

-

4

-

4

4

-

4

4

-

-

    

Butyl stearate

  

70

4

4

4

2

-

3

1

2

4

4

-

1

    

Butyl cellosolve

    

1

1

2

1

-

1

3

4

2

2

4

1

    

Butylene

    

4

4

4

4

-

4

2

-

3

3

-

1

    

Butyraldehyde

    

3

3

3

2

-

2

3

-

3

3

3

4

    

Butyric acid

    

-

-

-

2

-

2

4

-

2

2

-

2

    

Calcium hydroxide

  

100

1

1

1

1

-

-

2

1

1

1

3

1

    

Calcium hypochlorite

15

  

4

-

-

1

-

1

3

2

2

1

3

1

    

Carbitol

    

2

2

2

1

-

2

3

-

3

2

-

2

    

Carbolic acid (see phenol)

                                

Carbon dioxide

    

1

1

1

1

-

1

1

1

1

1

1

1

    

Carbon disulfide

  

23

4

4

4

4

4

4

3

4

4

4

3

1

    

Carbon monoxide

  

Hot

2

2

2

1

-

1

1

1

1

1

1

1

    

Carbon tetrachloride

  

23

4

4

4

4

4

4

3

2

4

4

4

1

    

Castor oil

  

100

2

1

1

1

-

1

2

1

3

2

1

1

    

Cellosolve

  

23

3

3

3

1

-

2

3

4

1

-

-

3

    

Cellosolve acetate

  

23

3

3

3

1

-

1

4

4

4

4

-

4

    

Chloral hydrate

98

23

-

-

-

3

-

3

4

-

3

1

-

3

    

Chloric acid

20

23

-

-

-

1

-

1

4

-

4

1

-

1

    

Chlorine, gas

    

3

3

3

3

-

3

-

3

3

2

4

2

    

Chlorine dioxide

    

-

-

-

4

-

3

4

4

4

2

3

1

    

Chlorine trifluoride

    

4

4

-

3

-

4

4

4

4

4

3

4

    

Chlorine water

Sat

23

4

-

4

4

-

4

4

3

4

3

3

1

    

Chlorodiphenyl

  

23

-

-

-

4

-

4

4

-

4

4

-

1

    

Chloroacetic acid

  

23

3

3

3

2

-

2

3

4

2

2

-

4

    

Chloroacetone

    

2

-

-

3

-

1

4

4

3

3

3

4

    

Chlorobenzene

  

23

4

4

4

4

-

4

4

4

4

4

4

1

    
 

50

4

4

4

4

4

4

4

4

4

4

4

1

    

Chlorobromomethane

  

23

4

4

4

3

-

3

4

4

4

4

3

1

    

Chlorododecane

    

4

4

4

4

-

4

4

4

4

-

-

1

    

Chloroform

  

23

4

4

4

4

-

4

4

4

4

4

4

1

    

Chloronaphthalene

  

23

4

4

4

4

4

4

4

-

4

4

4

1

    

Chloronitroethane

    

4

4

4

4

-

-

4

-

4

4

-

3

    

Chloroprene

  

23

4

4

4

4

4

4

4

4

4

4

4

1

    

Chlorosulfonic acid

10

23

4

4

4

4

-

4

4

-

4

4

4

-

    

Chlorotoluene

    

4

4

4

4

-

4

4

4

4

4

4

1

    

Chromic acid

40

50

4

4

4

3

-

3

4

4

4

1

4

1

    

Citric acid

Sat

70

1

1

1

1

-

1

2

1

1

1

1

1

    

Cleaning agents (see ammonia, calcium hypochlorite, sodium hydroxide) (see also detergents and solvents)

                                

Coconut oil

    

4

4

4

2

-

2

1

1

2

3

1

1

    

Cod liver oil

  

23

4

4

4

2

-

2

1

1

2

2

1

1

    

Coke oven gas

    

2

2

2

1

-

4

2

4

2

2

1

1

    

Corn oil

    

4

4

4

2

-

2

1

1

3

3

3

1

    

Cottonseed oil

  

70

4

4

4

1

-

2

1

1

3

3

3

1

    

Cresylic acid

  

70

4

4

4

1

-

2

4

-

2

4

1

1

    

Creosote

    

4

4

4

4

-

4

2

1

3

3

4

1

    

Crotonaldehyde

  

23

-

-

-

1

-

1

1

-

1

1

-

1

    

Cumene

    

-

-

-

-

-

-

-

4

4

4

-

1

    

Cyclohexane

  

23

4

4

4

4

4

4

1

1

4

3

4

1

    

Cyclohexanol

    

2

4

4

3

-

4

3

1

1

1

-

1

    

Cyclohexanone

  

23

4

4

4

3

-

1

4

4

4

4

2

4

    

p-Cymene

    

4

4

4

4

-

4

4

-

4

4

4

1

    

Decalin

    

4

4

4

-

-

-

-

-

4

4

-

1

    

Decane

    

4

4

4

4

-

-

2

1

4

4

2

1

    

Detergents (see soap solution and water)

                                

Diacetone (see diacetone alcohol)

                                

Diacetone alcohol

    

4

4

2

1

-

1

4

4

2

1

4

4

    

Dibenzyl sebacate

  

23

-

-

-

2

-

2

-

4

4

-

3

2

    

Dibenzyl ether

  

23

4

4

4

1

-

2

4

4

4

4

-

4

    

Dibutylamine

    

4

4

4

4

-

4

4

-

4

4

3

4

    

Dibutyl ether

  

23

4

4

4

4

-

4

3

4

4

3

4

1

    

Dibutyl phthalate

  

23

4

4

4

2

-

1

4

4

4

4

2

2

    

Dibutyl sebacate

    

4

4

4

1

-

1

4

4

4

4

2

2

    

Dichlorobenzene

  

23

4

4

4

4

-

4

4

-

4

4

3

1

    

Dichloroethylene

  

23

-

-

4

4

-

-

4

-

4

-

4

2

    

Dichloroisopropyl ether

    

4

4

4

3

-

3

4

4

4

4

4

3

    

Dicyclohexylamine

    

4

4

4

4

-

4

2

3

4

4

-

4

    

Diester oil (liquid 101) b

  

100

4

4

4

4

4

4

1

1

4

4

2

1

    

Diethyl sebacate

    

4

-

-

2

-

2

4

3

4

4

1

2

    

Diethylamine

  

23

4

4

4

4

4

4

2

-

3

3

4

4

    

Diethylbenzene

    

4

4

4

4

-

4

4

-

4

4

4

1

    

Diethylene glycol

  

100

1

1

1

1

1

1

1

-

1

1

1

1

    

Diethyl ether (see ether)

                                

Diisobutylene

    

-

-

-

-

-

-

2

1

3

3

4

1

    

Diisobutyl ketone

  

23

-

-

-

2

-

2

4

-

4

4

-

4

    

Diisopropyl benzene

    

4

4

4

4

-

4

4

-

4

4

2

1

    

Di-isopropylketone

    

4

-

4

2

-

2

4

-

4

4

4

4

    

Dimethylamine

  

23

-

-

-

3

-

3

4

-

4

4

-

4

    

Dimethyl aniline

  

23

4

4

4

2

-

2

4

-

4

4

-

4

    

Dimethyl formamide

  

23

2

-

2

3

-

2

2

-

2

2

1

4

    

Dimethyl phthalate

    

4

4

4

2

-

2

4

4

4

4

-

2

    

Dinitrotoluene

    

4

4

4

4

-

4

4

4

4

4

3

3

    

Dioctyl phthalate

  

100

4

4

4

3

-

2

3

-

4

4

2

1

    

Dioctyl sebacate

  

23

4

4

4

2

-

2

3

4

4

4

-

2

    

Dioxane

  

23

4

4

4

2

2

-

4

2

4

4

2

4

    

Dioxolane

    

3

4

4

3

-

2

4

4

4

4

-

4

    

Dipentene

    

4

4

4

4

-

4

2

2

4

4

-

1

    

Diphenyl

  

70

4

4

4

4

-

4

4

4

4

4

3

1

    

Diphenyl ether

    

4

4

4

4

-

1

4

4

4

4

2

1

    

Dry cleaning fluids (see relevant chlorinated solvents and  notably perchloroethylene)

                                

Epichlorohydrin

  

50

4

4

4

3

-

2

4

4

4

4

-

4

    

Essential oils (see pinene and vegetable oils)

                                

Ethane

    

4

4

4

4

-

4

1

-

2

2

4

1

    

Ethanol

  

50

1

1

1

1

1

1

1

1

1

1

1

1

    

Ethanolamine (mono)

  

23

2

2

2

2

-

1

4

-

4

4

2

4

    
 

70

2

1

1

1

-

1

1

3

2

3

2

4

    

Ether

  

23

4

4

4

3

3

3

2

4

4

3

4

4

    

Ethyl acetate

  

23

3

3

3

2

2

1

4

4

3

3

4

4

    

Ethyl acetoacetate

    

3

3

3

2

-

2

4

4

3

4

2

4

    

Ethyl acrylate

  

23

4

-

-

2

-

2

4

4

4

4

2

-

    

Ethyl benzoate

    

-

-

-

2

-

2

-

4

-

-

-

1

    

Ethyl benzene

  

23

4

4

4

4

-

4

4

4

4

4

4

1

    

Ethyl cellulose

    

1

1

1

2

-

-

1

-

1

-

3

4

    

Ethyl chloride

    

2

2

2

1

-

1

2

3

2

4

4

1

    

Ethyl chloro carbonate (see ethyl chloroformate)

                                

Ethyl chloroformate

  

23

4

4

4

2

-

-

4

4

3

3

4

1

    

Ethyl ether (see ether)

                                

Ethyl formate

    

4

4

4

2

-

2

4

4

2

2

-

1

    

Ethyl mercaptan

    

4

4

4

4

-

4

4

-

4

2

-

2

    

Ethyl oxalate

    

1

1

1

1

-

1

4

-

3

4

-

1

    

Ethyl pentachlorobenzene

    

4

4

4

4

-

4

3

-

4

4

2

1

    

Ethyl silicate

    

2

2

2

1

-

1

1

-

1

2

1

1

    

Ethylene

    

-

-

-

-

-

-

1

-

-

-

-

1

    

Ethylene chlorohydrin

    

3

3

3

1

-

-

4

4

1

2

-

1

    

Ethylene diamine

    

1

2

2

1

-

1

2

1

1

2

2

3

    

Ethylene dichloride

  

23

4

4

4

3

3

2

4

-

4

4

3

2

    

Ethylene glycol

  

100

2

1

1

1

1

1

1

1

2

1

1

1

    

Ethylene glycol dimethyl ether (see ansul ether)

                                

Ethylene glycol formal (see dioxolane)

                                

Ethylene oxide

    

-

-

-

3

-

3

4

-

4

4

3

4

    

Fluorine, liquid

    

-

-

-

3

-

3

-

-

4

-

4

2

    

Fluorobenzene

    

4

4

4

4

-

4

4

-

4

-

4

1

    

Fluoroboric acid

    

1

1

1

1

-

1

1

-

1

1

-

3

    

Fluorochloroethylene

    

-

-

-

3

-

-

4

-

-

-

-

-

    

Fluosilicic acid

50

23

1

-

-

3

-

2

3

1

2

1

-

3

    

Foodstuffs (see butter, milk, salt solution, coconut oil, cod liver oil, soybean oil, vegetable oils, lard, malic acid and citric acid, cottonseed oil, olive oil, rapeseed oil, glucose solution, sucrose solution and tartaric acid)

                                

Formaldehyde

40

23

1

1

1

1

-

-

1

2

1

1

1

1

    

40

70

-

-

-

-

-

-

4

-

-

4

-

-

    

Formamide

  

23

-

-

-

1

-

1

1

-

1

-

-

3

    

Formic acid

Sat

23

3

-

2

1

-

2

3

-

2

2

2

3

    

Sat

70

4

-

2

2

-

2

3

-

3

3

4

4

    

Freon 11

  

23

2

-

2

4

-

4

1

2

1

1

4

3

    

Freon 12

  

23

1

-

1

1

-

2

1

1

1

1

4

2

    

Freon 13 B1

  

23

1

1

1

1

-

1

1

-

1

1

4

2

    

Freon 21

  

23

4

-

4

3

-

3

4

-

3

4

-

3

    

Freon 22

  

23

1

-

1

1

-

1

3

-

1

1

-

-

    

Freon 31

  

23

2

2

2

1

-

1

4

-

1

2

-

4

    

Freon 32

  

23

1

1

1

1

-

1

1

-

1

1

-

3

    

Freon 112

  

23

4

-

4

4

-

4

2

2

3

2

-

1

    

Freon 113

  

23

3

2

2

3

-

3

1

1

1

1

4

2

    

Freon 114

  

23

1

1

-

1

-

1

1

1

1

1

3

2

    

Freon 114 B2

  

23

4

3

3

4

-

4

2

2

1

1

-

2

    

Freon 115

  

23

1

1

1

1

-

1

1

-

1

1

-

2

    

Freon 142b

  

23

2

1

1

1

-

1

1

2

1

1

-

4

    

Freon 152a

  

23

1

1

1

1

-

1

1

2

1

3

-

4

    

Freon 218

  

23

1

1

1

1

-

1

1

-

1

1

-

1

    

Freon C 316

  

23

1

1

1

1

-

1

1

-

1

1

-

-

    

Freon C 318

  

23

1

1

1

1

-

1

1

1

1

1

-

1

    

Freon 502

    

1

1

1

-

-

-

2

-

1

-

-

2

    

Freon BF

    

4

4

4

4

-

-

2

2

2

2

-

-

    

Freon MF

    

4

2

2

4

-

-

1

2

3

4

-

-

    

Freon TA

    

1

1

1

1

-

1

1

-

1

1

1

3

    

Freon TC

    

4

2

2

1

-

2

1

-

1

1

1

1

    

Freon TF

    

3

2

2

4

-

4

4

1

4

4

4

4

    

Freon TMC

    

2

3

3

2

-

2

2

-

2

2

3

1

    

Freon T-P 35

    

1

1

1

1

-

1

1

-

1

1

1

1

    

Freon T-WD 602

    

3

2

2

1

-

2

2

-

2

2

4

1

    

Fuel B in accordance with ISO 1817

(70 % isooctane, 30 % toluene)

  

23

4

4

4

4

4

4

2

1

3

3

4

1

    

Fuel C in accordance with ISO 1817

(50 % isooctane, 50 % toluene)

  

23

4

4

4

4

4

4

2

2

4

4

4

1

    

Fuel with methanol (see gasohol)

                                

Fumaric acid

    

1

1

1

3

-

-

1

1

2

2

2

1

    

Furan (furfuran)

  

23

4

4

4

3

-

3

4

4

4

4

-

-

    

Furfural

  

23

3

3

3

2

-

2

4

4

4

3

3

3

    

Furfural alcohol

  

23

-

-

-

3

-

3

4

4

3

-

-

4

    

Gallic acid

    

1

2

2

1

-

2

3

2

2

2

-

-

    

Gasohol 50:30:20

(toluene-isooctane-methanol)

  

23

4

4

4

4

-

4

3

-

4

-

-

1

    

Gelatine

  

40

1

1

1

1

-

1

1

-

1

1

-

1

    

Glucose solution

  

80

1

1

1

1

-

1

1

1

1

1

1

1

    

Glue, animal or bone (see gelatine)

                                

Glycine

10

23

-

-

-

1

-

1

1

-

1

-

-

1

    

Glycerol

  

100

1

1

1

1

1

1

1

-

1

1

1

1

    

Glycol (see ethylene glycol)

                                

Glycolic acid

37

23

-

-

-

1

-

1

1

1

1

-

-

1

    

Glycol monoethyl ether (see cellosolve)

                                

Hexachlorobutadiene

  

23

4

4

4

4

4

4

1

-

4

4

4

1

    

Hexaldehyde

    

4

4

4

1

-

1

4

-

1

3

1

4

    

Hexane

  

23

4

4

4

4

-

4

1

1

1

2

4

1

    

Hexanol

  

23

1

1

2

2

-

3

2

-

2

2

3

1

    

1-Hexene

    

4

4

4

4

-

4

2

2

2

2

4

1

    

Hydrazine solution

  

23

-

-

-

1

-

1

4

4

4

2

3

1

    

Hydrofluosilicic acid

    

1

-

3

1

-

2

3

1

2

1

4

2

    

Hydrobromic acid

37

23

1

2

2

1

-

1

4

4

1

1

4

1

    

Hydrochloric acid

10

100

4

-

3

2

-

4

3

-

1

1

4

1

    

21

50

3

-

2

1

-

2

2

-

1

1

4

1

    

37

23

2

2

2

1

-

1

3

-

2

1

4

1

    

Hydrocyanic acid

20

  

2

3

3

1

-

1

3

2

3

1

-

1

    

Hydrofluoric acid

48

23

3

3

3

1

-

1

3

-

1

1

4

1

    

75

23

3

3

3

1

-

-

4

-

3

1

4

2

    

Hydrofluoric acid, anhydrous

    

-

-

-

1

-

3

4

-

1

-

4

2

    

Hydrogen

    

1

1

1

1

-

1

1

-

1

1

1

1

    

Hydrogen peroxide

30

23

1

-

1

1

-

1

1

-

1

1

1

1

    

90

  

4

4

4

3

-

3

4

2

4

3

1

2

    

Hydrogen sulfide

Sat

23

4

4

1

1

-

1

4

-

2

2

3

1

    

Hydroquinone

    

2

2

2

-

-

-

3

4

-

-

-

4

    

Hypochlorous acid

    

2

2

2

2

-

3

4

4

3

2

-

2

    

Inks (see water, solvents, tannic acid and relevant alcohols and glycol)

                                

Iodine pentafluoride

    

4

4

4

4

-

4

4

4

4

4

4

4

    

Iodoform

    

-

-

-

1

-

1

-

-

-

-

-

-

    

Isooctane (Fuel A, ISO 1817)

  

23

4

3

3

4

4

4

1

1

1

2

4

1

    

Isobutyl alcohol

  

23

1

1

1

1

-

1

2

2

1

1

1

1

    

Isophorone

    

-

-

-

1

-

1

4

4

-

-

-

4

    

Isopropyl alcohol (2-propanol)

  

40

1

2

2

1

-

1

2

2

1

1

1

1

    

Isopropyl acetate

    

3

4

4

2

-

2

4

4

4

4

-

4

    

Isopropyl chloride

    

4

4

4

4

-

4

4

4

4

-

3

1

    

Isopropyl ether

  

23

4

4

4

4

-

-

4

2

4

4

-

4

    

Kerosene

  

70

4

4

4

4

-

-

1

1

3

3

4

1

    

Lactic acid solution

10

70

1

1

1

1

-

1

1

-

1

1

1

1

    

Lard

  

70

4

4

4

2

3

3

1

1

2

3

3

1

    

Lead sulfamate, aq

    

2

2

2

1

-

1

2

-

2

2

3

1

    

Linoleic acid

  

70

-

-

-

4

-

4

2

2

4

4

1

2

    

Linseed oil

  

23

4

4

3

1

-

2

1

1

2

2

2

1

    

Liquid 101, ISO 1817

(see diester oil)

                                

Liquid 103, ISO 1817

(see tributyl phosphate)

                                

Liquid oxygen

    

-

-

-

1

-

-

3

4

-

-

3

-

    

Liquified petroleum gas

    

4

4

4

4

-

4

1

1

2

2

3

1

    

Lubricating oil (see Oil IRM 902)

                                

Magnesium hydroxide

    

1

1

1

1

-

-

1

2

1

1

-

-

    

Maleic acid

Sat

23

2

2

2

3

-

3

2

4

3

4

-

1

    

Maleic anhydride

    

2

2

2

3

-

3

-

4

3

4

-

1

    

Malic acid

    

-

2

2

4

-

4

1

1

2

2

2

1

    
 

125

4

4

4

2

2

2

4

-

4

4

4

4

    

Mercury

    

1

1

1

1

-

-

1

1

1

1

-

-

    

Mesityl oxide

    

4

4

4

2

-

2

4

4

4

4

4

4

    

Methane

  

23

4

4

4

4

-

4

1

1

3

3

4

1

    

Methanol

  

50

1

1

1

1

1

1

1

1

1

1

1

3

    

Methyl acetate

  

23

4

4

4

2

-

2

4

4

4

4

3

4

    

Methyl acrylate

  

23

4

4

4

2

-

2

4

-

4

4

4

4

    

Methylacrylic acid

    

4

4

4

2

-

2

-

-

2

-

-

2

    

Methylamine

32

23

-

-

-

1

-

1

4

-

1

1

-

1

    

Methyl bromide

  

23

-

-

-

4

-

4

4

2

4

2

-

2

    

Methyl butyl ketone

    

4

4

4

2

-

2

4

  

4

4

3

4

    

Methyl chloride

    

4

4

4

3

-

3

4

4

4

4

3

2

    

Methylcyclopentane

    

4

4

4

4

-

4

-

4

3

-

-

1

    

Methylene dichloride

  

23

4

4

4

3

4

3

4

-

4

4

4

2

    

Methyl ethyl ketone (MEK)

  

23

3

3

3

1

2

1

4

4

3

4

4

4

    

Methyl formate

    

3

3

3

2

-

2

4

4

2

2

2

3

    

Methyl glycol acetate

  

50

3

3

2

1

2

-

4

-

3

2

2

4

    

Methyl isobutyl ketone

  

23

4

4

4

2

-

2

4

4

4

4

3

4

    

Methyl methacrylate

  

23

4

4

4

3

-

3

4

4

3

4

3

4

    

Methyl oleate

    

4

4

4

2

-

2

4

4

4

-

-

1

    

Methyl salicylate

    

-

-

-

2

-

2

4

-

4

4

-

-

    

Milk

  

23

1

1

1

1

-

1

1

1

1

1

1

1

    

Mineral oil (see Oils 1, 2 and 3)

                                

Monobromobenzene (see bromobenzene)

                                

Monoethanolamine

[see ethanolamine (mono)]

                                

Monomethylaniline

    

4

4

4

-

-

-

4

4

4

4

2

-

    

Monovinylacetylene

  

-20

2

2

2

1

-

1

-

-

2

2

3

1

    

Monochlorobenzene (see chlorobenzene)

                                

Morpholine

  

23

-

-

-

2

-

2

4

-

2

2

-

1

    

Mustard gas

    

3

-

-

1

-

3

-

-

3

1

1

1

    

Naphtha

  

23

4

4

4

4

-

4

1

2

4

4

4

1

    

Naphthalene

  

80

4

4

4

4

-

4

4

4

4

4

-

1

    

Naphthenic acid

    

4

4

4

4

-

4

2

-

-

-

-

1

    

Natural gas

    

3

3

3

4

-

4

1

1

1

1

3

1

    

Nitric acid (conc)

65

23

4

4

4

4

-

4

4

4

4

2

4

1

    

Nitric acid (diluted)

10

50

2

-

2

1

-

1

2

-

3

1

4

1

    

Nitric acid (fuming)

100

20

4

4

4

4

-

4

4

4

4

4

4

3

    

Nitrobenzene

  

50

4

4

4

1

2

1

4

4

4

4

4

3

    

Nitroethane

    

2

2

2

2

-

2

4

-

3

2

4

4

    

Nitromethane

    

2

2

1

1

-

2

4

4

2

3

4

4

    

1-Nitropropane

  

23

3

3

3

1

-

1

4

-

-

-

3

4

    

Nitrogen

    

1

1

1

1

-

1

1

-

1

1

1

1

    

Nitrogen tetroxide

    

4

4

4

3

-

3

4

4

4

4

3

4

    

Octachlorotoluene

    

4

4

4

4

-

4

4

-

4

4

4

1

    

Octadecane

    

4

4

4

4

-

4

1

2

2

2

4

1

    

n-Octane

    

4

4

4

4

-

4

-

-

-

-

4

4

    

Octanol

    

2

2

2

1

-

1

2

2

1

1

2

1

    

Oil 1 (ASTM No. 1, ISO 1817)

  

100

4

4

3

4

4

4

1

1

1

1

1

1

    

Oil 2 (IRM 902, ISO 1817)

  

100

4

4

4

4

4

4

1

1

2

3

1

1

    

Oil 3 (IRM 903, ISO 1817)

  

100

4

4

4

4

4

4

1

1

4

4

2

1

    

Oleic acid

  

23

4

-

4

4

-

3

1

1

4

3

1

1

    

Olive oil

  

50

4

4

3

2

2

3

1

1

2

2

1

1

    

Oxalic acid

25

70

1

-

1

1

-

1

3

2

2

1

3

1

    

Oxygen

  

23

1

1

1

1

-

1

1

-

1

1

1

1

    

Ozone (concn. 50 pphm) c

  

40

4

4

4

2

2

1

4

2

2

1

1

1

    

Paints (see xylene and solvents)

                                

Paint removers (see cellosolves, methanol, turpentine, xylene and relevant chloranited hydrocarbons)

                                

Palmitic acid

  

70

3

3

3

2

-

2

2

1

2

3

3

1

    

Pentanol (see amyl alcohol)

                                

Perchloric acid

70

23

2

-

-

1

-

1

4

4

3

2

4

1

    

Perchloroethylene

  

23

4

4

4

4

4

4

3

2

4

4

4

1

    

Pharmaceuticals (see water, ethanol and sucrose solution)

                                

Phenol

  

100

4

-

4

2

-

2

4

4

4

4

2

1

    

Phenyl benzene (see diphenyl)

                                

Phenyl ethyl ether

    

4

4

4

4

-

4

4

4

4

4

3

4

    

Phenyl hydrazine

  

23

1

3

3

2

-

2

4

-

4

4

-

1

    

Phorone

    

4

4

4

2

-

2

4

4

4

4

-

4

    

Phosgene

  

23

-

-

-

1

-

1

2

-

1

1

-

1

    

Phosphate ester (Skydrol 500)

  

70

4

4

4

2

-

1

4

4

4

4

2

4

    

Phosphate ester (Skydrol 7000)

  

70

4

4

4

2

-

1

4

4

4

4

1

4

    

Phosphate ester (Pydraul F-9)

  

80

4

4

4

3

4

2

4

-

4

4

1

1

    

Phosphoric acid

60

50

2

-

1

1

-

1

3

-

2

1

1

1

    

Phosphorus trichloride

    

4

4

4

1

-

1

4

4

4

1

-

1

    

Phthalic acid

Sat

23

-

-

-

1

-

1

4

-

1

1

-

4

    

Pickling acid (see sulfuric acid, hydrochloric acid and nitric acid)

                                

Picric acid

10

100

2

2

2

1

-

1

2

-

2

1

4

1

    

Pine oil

  

70

4

4

4

4

-

4

2

-

4

4

-

1

    

Pinene

  

70

4

4

4

4

-

4

2

2

4

3

4

1

    

Piperidine

    

4

4

4

4

-

4

4

-

4

4

-

4

    

Potassium permanganate

25

70

4

-

-

-

-

4

3

-

2

3

1

4

    

Propane liquid

    

4

4

4

4

-

4

1

1

2

3

3

1

    

Propanol

  

50

1

1

1

1

1

1

2

1

1

1

2

1

    

Propene (propylene)

    

4

4

4

4

-

4

3

4

4

4

-

1

    

Propene oxide

    

-

-

4

2

-

2

4

4

4

4

4

4

    

Propionic acid

  

23

-

-

-

1

-

1

4

-

4

-

-

-

    

Propyl acetate

  

23

4

4

4

2

-

2

4

4

4

4

3

4

    

Propylamine

  

23

4

4

4

3

3

3

4

-

4

4

4

4

    

Propyl nitrate

  

23

-

-

-

2

-

2

-

1

4

4

3

4

    

Pyridine

  

23

4

4

4

2

-

2

4

4

4

4

2

4

    

Pyrrole

    

3

3

3

4

-

3

4

-

4

4

2

4

    

Rape seed oil

  

100

4

4

4

3

-

2

1

2

2

3

4

1

    

Refrigerants (see freons and ammonia)

                                

Salicylic acid

    

1

-

-

1

-

1

1

2

1

-

-

1

    

Salt and salt solution (non- oxidizing) d

Sat

70

1

1

1

1

-

1

1

1

1

1

1

1

    

Silicate esters

    

4

4

4

4

-

4

2

2

1

1

4

1

    

Silicone greases

    

-

-

-

1

-

1

1

1

2

2

3

1

    

Silicone oils

  

60

-

-

-

1

-

1

1

1

1

1

3

1

    

Soap solution

    

1

1

1

1

-

1

1

1

1

1

1

1

    

Sodium bicarbonate (see sodium hydrogen carbonate)

                                

Sodium carbonate

20

100

1

1

1

1

-

1

1

1

1

1

1

1

    

Sodium hydrogen carbonate

    

1

1

1

1

-

1

1

-

1

1

1

1

    

Sodium hydroxide

10

100

1

1

1

1

1

1

1

2

1

1

4

4

    

25

100

1

1

1

1

1

1

4

-

1

1

4

4

    

Sodium hypochlorite

10

50

2

-

2

1

-

1

3

2

3

1

2

1

    

Sodium peroxide

    

2

2

2

1

-

1

-

2

2

2

4

1

    

Solvents (see relevant hydrocarbons, chlorinated hydrocarbons, ketones and alcohols, carbon disulfide and cellosolve)

                                

Soybean oil

  

23

4

4

3

3

-

3

1

1

2

2

1

1

    

Steam

    

3

3

3

1

-

1

1

-

2

2

4

2

    

Stearic acid

  

70

3

3

3

4

-

2

2

2

2

2

1

-

    

Sterilization media (see steam, formaldehyde and ethylene oxide)

                                

Styrene

  

23

4

4

4

4

-

4

4

4

4

4

3

1

    

Sucrose solution

  

80

1

1

1

1

-

1

1

2

1

1

-

-

    

Sulfur

    

4

4

4

1

-

1

4

4

1

1

1

1

    

Sulfur dichloride

    

4

4

4

4

-

-

3

-

3

2

-

1

    

Sulfur dioxide

  

23

3

3

3

1

-

1

3

4

3

3

3

1

    

Sulfur hexafluoride

    

-

1

1

1

-

1

1

2

1

2

1

1

    

Sulfuric acid

10

100

1

1

1

1

1

1

3

-

1

1

4

1

    

20

23

1

1

1

1

-

-

1

-

1

1

4

1

    

25

100

1

1

1

1

1

-

4

-

1

1

4

1

    

50

100

1

1

1

1

1

-

4

-

1

1

4

1

    

60

100

3

-

3

1

-

-

4

-

4

4

4

1

    

75

100

4

4

4

4

4

3

4

-

4

4

4

1

    

96

23

4

4

4

4

-

4

4

2

4

4

4

1

    

Sulfurous acid

Sat

23

1

2

2

1

-

2

2

2

2

1

3

1

    

Sulfuryl chloride

  

23

-

-

-

2

-

2

4

-

2

1

-

1

    

Tannic acid

    

1

2

2

1

-

1

1

1

1

1

1

1

    

Tar, bituminous

    

4

4

4

4

-

4

2

2

3

3

3

1

    

Tartaric acid

10

100

1

1

1

1

-

2

1

1

1

1

1

1

    

Terpineol

  

23

4

4

4

3

-

3

1

2

4

4

-

1

    

Tetraethyl lead

  

23

-

-

-

4

-

4

-

2

2

4

-

1

    

Tetrabromomethane

    

4

4

4

4

-

4

4

4

-

-

-

1

    

Tetrabutyl titanate

    

2

2

2

2

-

1

1

2

1

-

-

1

    

Tetrachlorethane

  

23

-

-

4

4

-

-

4

4

4

-

3

1

    

Tetrahydrofuran

  

23

4

4

4

4

4

4

4

4

4

4

4

4

    

Tetralin

  

23

4

4

4

4

-

4

4

4

4

4

3

1

</