Chemical Properties
BROWN CRYSTALLINE POWDER
Uses
As a reagent for the determination of cadmium which is pptd as (C13H9N)2H2(CdI4) from dil nitric or sulfuric acid solution in the presence of potassium iodide.
General Description
Yellow crystals or white powder. Characteristic irritating odor.
Air & Water Reactions
Sensitive to prolonged exposure to air. Insoluble in water.
Reactivity Profile
5,6-BENZOQUINOLINE 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. May generate hydrogen, a flammable gas, in combination with strong reducing agents such as hydrides.
Fire Hazard
5,6-BENZOQUINOLINE is combustible.
Safety Profile
Mutation data reported. Whenheated to decomposition it emits toxic fumes of NOx.
Purification Methods
Purify as 3,4-benzoquinoline above. The picrate has m 258.1-259o (from EtOH or H2O). [Albert et al. J Chem Soc 2240 1948, Beilstein 20 III/IV 4009, 20/8 V 220.]
