1,2-Dihydro-2,2,4-trimethylquinoline (>85%) is used as an antioxidant in styrene-butadiene and nitrile-butadiene rubbers and latexes. It was selected for evaluation because it is a derivative of quinoline, a known rodent carcinogen, and was regarded as having potential carcinogenic activity.
1,2-Dihydro-2,2,4-trimethylquinoline is used as an antioxidant in styrene-butadiene and nitrile-butadiene rubbers and latexes. It was selected for evaluation because it is a derivative of quinoline, a
known rodent carcinogen, and was regarded as having potential carcinogenic activity.
Dark cloudy copper-colored or yellow liquid. Odorless.
1,2-Dihydro-2,2,4-trimethylquinoline may be sensitive to prolonged exposure to air and light. . Insoluble in water.
1,2-Dihydro-2,2,4-trimethylquinoline neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
ACUTE/CHRONIC HAZARDS: When heated to decomposition 1,2-Dihydro-2,2,4-trimethylquinoline emits toxic fumes of nitrogen oxides.
1,2-Dihydro-2,2,4-trimethylquinoline is combustible.
Moderately toxic by
ingestion. When heated to decomposition it
emits toxic fumes of NOx.
