2-chloro-4-nitroaniline
Structural formula | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
General | |||||||||||||||||||
Surname | 2-chloro-4-nitroaniline | ||||||||||||||||||
other names |
1-amino-2-chloro-4-nitrobenzene |
||||||||||||||||||
Molecular formula | C 6 H 5 ClN 2 O 2 | ||||||||||||||||||
Brief description |
yellow needles with a faint aromatic odor |
||||||||||||||||||
External identifiers / databases | |||||||||||||||||||
|
|||||||||||||||||||
properties | |||||||||||||||||||
Molar mass | 172.57 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
||||||||||||||||||
density |
1.38 g cm −3 |
||||||||||||||||||
Melting point |
105-108 ° C |
||||||||||||||||||
boiling point |
decomposes above 320 ° C |
||||||||||||||||||
solubility |
very sparingly soluble in water (0.23 g l −1 at 20 ° C) |
||||||||||||||||||
safety instructions | |||||||||||||||||||
|
|||||||||||||||||||
Toxicological data | |||||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
2-chloro-4-nitroaniline is a chemical compound from the group of nitroanilines . The combustible solid forms yellow needles.
use
At the end of the 1980s, the annual production of 2-chloro-4-nitroaniline in Germany was 1500 tons, of which about 90% was used as an intermediate for the synthesis of azo dyes .
2-Chloro-4-nitroaniline is believed to be formed during the hydrolysis of niclosamide .
literature
- Manuel AV Ribeiro da Silva, Luís M. Spencer S. Lima, Luísa MPF Amaral, Ana IMCL Ferreira, José RB Gomes: Standard molar enthalpies of formation, vapor pressures, and enthalpies of sublimation of 2-chloro-4-nitroaniline and 2- chloro-5-nitroaniline . In: The Journal of Chemical Thermodynamics . tape 35 , no. 8 , August 2003, p. 1343-1359 , doi : 10.1016 / S0021-9614 (03) 00109-5 ( PDF ).
Individual evidence
- ↑ David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Physical Constants of Organic Compounds, pp. 3-108.
- ↑ a b c d e f g Entry on 2-chloro-4-nitroaniline in the GESTIS substance database of the IFA , accessed on February 14, 2017(JavaScript required) .
- ↑ Data sheet 2-Chloro-4-nitroaniline, 99% from Sigma-Aldrich , accessed on October 26, 2014 ( PDF ).
- ↑ Entry on 2-chloro-4-nitroaniline in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on August 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ 2-chloro-4-nitroaniline . In: BUA substance report. 43, June 1990, ISBN 3-527-28101-0 .
- ↑ JJ Espinosa-Aguirre, RE Reyes, C. Cortinas de Nava: Mutagenic activity of 2-chloro-4-nitroaniline and 5-chlorosalicylic acid in Salmonella typhimurium: two possible metabolites of niclosamide. In: Mutation Research . Volume 264, Number 3, November 1991, ISSN 0027-5107 , pp. 139-145, PMID 1944396 .