Dinitrobenzene

Name:
Dinitrobenzene
Detailed information:

CAS:	528-29-0
CAS:	99-65-0
CAS:	100-25-4
M Formula:	C6H4(NO2)2
Properties:
Yellow crystals. D m- 1.546, o- 1.565, p- 1.6; mp m- 89.9C, o- 117.9C, p- 172–173C; bp m- 302.8C, o- 319C, p- 299C. Soluble in chloroform and ethyl acetate; sparingly soluble in benzene; slightly soluble in water.
Derivation:
Nitration of nitrobenzene with hot mixed acid.
Hazard:
o-isomer explodes when shocked or heated. Toxic by inhalation and ingestion, absorbed by skin. TLV: 0.15 ppm (skin).
Use:
Organic synthesis, dyes, camphor substitute in cellulose nitrate.