Compatibility Group Group Name Chemical Class
Group A Inorganic Acids,
Inorganic Salts
inorganic acids (except nitric), sulfur, arsenic, halides, sulfates, sulfites, thiosulfates, halogens, phosphorus, phosphates
Group B Inorganic Bases hydroxides, oxides, silicates, carbonates
Group C Organics alcohols, glycols, amines, amides, hydrocarbons, esters, aldehydes, phenol cresols, organic sulfides, organic acids
Group D Flammables,
ethers, aliphatic solvents, aromatic solvents
Group E Inorganic Oxidizers borates, chromates, manganates, permanganates, chlorates, perchlorates, chlorites, hypochlorites, hydrogen peroxides, amides, nitrates, nitrites, azides
Group F Organic Peroxides and Explosives peroxides, azides, hydroperoxides
Group G Reactives air and water reactives, metals and hydrides
Group H Cyanides, Sulfides cyanides, cyanates, sulfides, carbides, nitrides
Group I Highly Toxics,
Reproductive Toxins
highly toxic compounds, carcinogens, mutagens, teratogens