Dinitronaphthalene

Name:
Dinitronaphthalene
Detailed information:

M Formula:	C10H6(NO2)2
Properties:
(1) Yellowish-white needles; (2) yellowish-white, thick, crystalline tablets; mp (1) 217C; (2) 172C); (1) sparingly soluble in pyridine; (2) soluble in pyridine; bp (1) sublimes; (2) decomposes.
Derivation:
By dissolving α-nitronaphthalene in sulfuric acid and adding nitric acid.
Method of Purification:
Crystallization.
Hazard:
Moderate fire and explosion risk.
Use:
Dyes, especially sulfur colors; intermediates.