1,2-Dichloro-4-nitrobenzene

  • 3,4- dichloro-1 -nitrobenzene
  • DCNB

Yellow solid with a characteristic odor

Fixed

1.48 g · cm -3 ( 55 ° C)

43 ° C.

255-256 ° C

0.02 hPa ( 25 ° C)

  • Very slightly soluble in water ( 151 mg · l-1 at 20 ° C)
  • Soluble in hot ethanol, benzene, ethers and carbon disulfide

Attention

  • 953 mg · kg -1 ( LD50, rat, oral)

Template: Infobox chemical / molecular formula search available

1,2-dichloro- 4-nitrobenzene is a chemical compound selected from the group of aromatic nitro compounds.

Production and representation

1,2-dichloro- 4-nitrobenzene can be obtained by nitration of 1,2-dichlorobenzene, but other isomers formed. Also possible is the preparation by chlorination of 4 -chloronitrobenzene. The annual production volume in 2001 was more than 35,000 tons.

Properties

1,2- dichloro -4-nitrobenzene is a flammable yellow solid with a characteristic odor, which is very slightly soluble in water. It decomposes on heating above 370 ° C.

Use

1,2-dichloro- 4-nitrobenzene is in the high-pressure lubricant, and is used for the production of vulcanization accelerators, disinfectants, pesticides and colourants.

CAS registry number PubChem Vapor pressure Dangerous Substances Directive (67/548/EEC)
8912
de