4-chloro-2-nitrophenol
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | 4-chloro-2-nitrophenol | ||||||||||||||||||
other names |
4C2NP |
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Molecular formula | C 6 H 4 ClNO 3 | ||||||||||||||||||
Brief description |
yellow crystalline solid |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 173.56 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
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Melting point |
85-88 ° C |
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solubility |
practically insoluble in water |
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safety instructions | |||||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
4-chloro-2-nitrophenol is an organic compound from the group of nitrobenzenes and phenols .
Extraction and presentation
4-Chloro-2-nitrophenol can be obtained by reacting 1,4-dichloro-2-nitrobenzene with a sodium hydroxide solution at 145 ° C.
properties
4-chloro-2-nitrophenol is a yellow crystalline solid. It is difficult to ignite and practically insoluble in water.
use
4-chloro-2-nitrophenol is an important chemical that is widely used in the pharmaceutical, herbicide, and pesticide industries. The compound is an isomer of chloronitrophenols that have been found in various industrial wastewaters. A number of physico-chemical processes were used to treat wastewater containing 4-chloro-2-nitrophenol. However, these methods are not as effective as microbial degradation.
safety instructions
The compound causes irritation to the skin, eyes and respiratory tract.
Resulting gases during combustion are carbon oxides , nitrogen oxides , hydrogen chloride , hydrogen cyanide and nitric acid .
Individual evidence
- ↑ a b c d e f g Entry on 4-chloro-2-nitrophenol in the GESTIS substance database of the IFA , accessed on February 9, 2019 (JavaScript required)
- ↑ PrepChem.com: Synthesis of 4-chloro-2-nitrophenol - PrepChem.com , accessed February 10, 2019
- ↑ Ali Mehrizad, Parvin Gharbani: Decontamination of 4-chloro-2-nitrophenol from Aqueous Solution by Adsorption Graphene: Equilibrium, Kinetic, and Thermodynamic Studies. In: Polish Journal of Environmental Studies. 23, 2014, doi : 10.15244 / pjoes / 26779 .
- ↑ Pankaj Arora, Ashutosh Sharma, Richa Mehta, Belle Shenoy, Alok Srivastava, Vijay Singh: Metabolism of 4-chloro-2-nitrophenol in a Gram-positive bacterium, Exiguobacterium sp. PMA. In: Microbial Cell Factories. 11, 2012, p. 150, doi : 10.1186 / 1475-2859-11-150 .
- ↑ P. Saritha, C. Aparna, V. Himabindu, Y. Anjaneyulu: Comparison of various advanced oxidation processes for the degradation of 4-chloro-2 nitrophenol. In: Journal of Hazardous Materials. 149, 2007, p. 609, doi : 10.1016 / j.jhazmat.2007.06.111 .
- ↑ P. Gharbani, M. Khosravi, SM Tabatabaii, K. Zare, S. Dastmalchi, A. Mehrizad: Degradation of trace aqueous 4-chloro-2-nitrophenol occurring in pharmaceutical industrial wastewater by ozone. In: International Journal of Environmental Science & Technology. 7, 2010, p. 377, doi : 10.1007 / BF03326147 .
- ↑ Data sheet 4-chloro-2-nitro-phenol from Sigma-Aldrich , accessed on February 9, 2019 ( PDF ).
- ↑ Data sheet 4-Chloro-2-nitrophenol from AlfaAesar, accessed on February 9, 2019 ( PDF )(JavaScript required) .