Aqua regia

D

D

D

C

-

D

D

C

B

D

D

Aromatic Hydrocarbons

D

D

D

D

D

C

D

D

A

A

A

Arsenic Acid

A

A

A

A

A

A

A

A

A

A

A

Arsenic Chloride

D

D

D

-

-

D

-

D

D

D

D

Arsenic Trichloride

D

D

D

D

C

B

C

D

D

D

D

Asphalt

D

D

D

D

D

B

D

D

A

B

B

Astm 1 Oil

D

D

D

D

D

A

C

C

A

A

A

Astm 2 Oil

D

D

D

D

D

B

D

D

A

A

A

Astm 3 Oil

D

D

D

D

D

C

D

D

A

B

B

Aviation Gasoline

D

D

D

D

D

A

D

D

A

A

A

Barium Carbonate 65^oC

A

A

A

A

A

A

A

A

A

A

A

Barium Chloride 65^oC

A

A

A

A

A

A

A

A

A

A

A

Barium Hydroxide 65^oC

A

A

A

A

A

A

A

A

A

A

A

Barium Sulfate 65^oC

A

A

A

A

A

A

A

A

A

A

A

Barium Sulfite 65^oC

A

A

A

A

A

A

A

A

A

A

A

Beer

A

A

A

A

A

A

A

A

A

A

A

Beet Suqar Liquors

A

A

A

A

A

A

A

A

A

A

A

Benzaldehyde

D

D

B

B

B

D

D

D

D

A

A

Benzene

D

D

D

D

D

D

D

D

A

A

A

Benzene Sulfonic Acid

-

-

-

-

-

-

-

A

A

A

A

Benzine Solvent (ligroina)

D

D

-

D

-

A

-

D

-

A

A

Benzoic Acid

A

A

A

A

A

B

C

B

A

B

B

Benzoic Aldehyde

D

D

B

C

B

D

-

D

D

A

A

Benzyl Acetate

D

D

A

B

B

D

B

B

D

A

A

Benzyl Alcohol

B

B

B

B

B

D

C

C

A

A

A

Blast Furnace Gas

D

D

C

C

-

C

-

C

A

A

A

Bleach Liuor

D

D

A

A

A

D

D

C

B

B

B

Borax

B

B

A

A

A

B

A

A

A

A

A

Bordeaux Mixture

B

B

A

A

A

A

B

A

A

A

A

Boric Acid

A

A

A

A

A

A

A

A

A

B

B

Brandy

A

A

A

A

A

A

A

A

-

A

A

Brine 65^oC

A

A

A

A

A

A

A

A

A

A

A

Bromine

D

D

D

D

D

D

D

D

A

D

D

Bromine Water

-

-

-

-

-

-

-

A

A

-

-

Bromo Chloro Methane

D

D

B

D

-

D

-

D

A

B

B

Bromobenzene

D

D

D

D

-

D

-

D

B

C

C

Butadiene

D

D

D

D

D

D

D

B

A

A

A

Butane

D

D

D

D

D

A

A

A

A

A

A

Butanol

A

A

A

A

A

A

A

A

A

A

A

Butter

C

C

B

B

A

A

B

A

A

A

A

Butyl Acetate

D

D

B

B

B

D

D

D

D

A

A

Butyl Acetoacetate

D

D

C

D

D

D

D

D

D

A

A

Butyl Acrylate

D

D

D

D

D

D

D

D

D

B

B

Butyl Aldheyde

D

C

B

D

-

-

-

D

D

A

A

Butyl Benzene

D

D

D

-

-

D

-

D

A

A

A

Butyl Benzyl Phthalate

D

D

A

D

-

D

-

D

C

A

A

Butyl Bromide

D

D

D

-

-

D

-

D

B

B

B

Butyl Butyrate

D

D

C

-

-

D

-

D

C

B

B

Butyl Carbitol

D

D

A

A

-

B

-

B

A

A

A

Butyl Chloride

D

D

C

C

-

C

-

D

A

A

A

Butyl Ether

D

D

D

D

D

B

C

B

D

A

A

Butyl Ethyl Acetaldehyde

D

D

B

B

A

D

D

D

D

A

A

Butyl Ethyl Ether

D

D

D

D

D

D

C

B

D

A

A

Butyl Glvcol

A

A

A

A

A

A

A

A

A

A

A

Butyl oleate

D

D

B

B

-

-

-

C

A

A

A

Butyl Phthalate

D

D

A

A

-

D

-

D

C

A

A

Butyl Stearate

D

D

C

B

B

B

D

D

A

A

A

Butylamine

C

C

C

C

C

C

D

C

B

A

A

Butyraldehyde

C

C

B

B

B

D

C

C

D

A

A

Butyric Acid

C

C

B

B

B

C

B

B

A

A

A

Butyric Anhydride

C

D

C

-

-

C

-

B

-

A

A

Cadmium Acetate

C

C

A

A

-

C

-

A

D

A

A

Calcium Acetate

C

C

A

A

A

A

B

B

D

A

A

Calcium Bichromate

-

-

A

B

A

-

-

-

-

B

B

Calcium Bisulfate 65^oC

A

A

A

A

A

A

A

A

A

A

A

Calcium Bisulfite 65^oC

A

A

A

A

-

A

-

A

A

A

A

Calcium Carbonate 65^oC

A

A

A

A

A

A

A

A

A

A

A

Calcium Chloride 65^oC

A

A

A

A

A

A

A

A

A

A

A

Calcium Hydroxide

A

B

A

B

A

B

B

B

C

A

A

Calcium Hypochlorite

D

D

A

A

A

C

A

A

A

A

A