1,2,4,5-Tetrachloro-3-nitrobenzene (tecnazene) is an organic compound with the formula HC6Cl4NO2. It is a colorless solid. A related isomer is 1,2,3,4-tetrachloro-5-nitrobenzene.
Names | |
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IUPAC name
1,2,4,5-Tetrachloro-3-nitrobenzene
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Other names
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.003.799 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C6HCl4NO2 | |
Molar mass | 260.88 g·mol−1 |
Appearance | Colorless[1] |
Odor | Odorless |
Density | 1.862 g/cm3[2] |
Melting point | 99 °C (210 °F; 372 K)[3] |
Boiling point | 304 °C (579 °F; 577 K)[3] (decomposes) |
0.44 mg/L[3] | |
Hazards | |
GHS labelling: | |
Danger | |
H302, H317, H410 | |
P273, P280, P301+P312+P330, P302+P352 | |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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7.5 g/kg[3] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It is used as a standard for quantitative analysis by nuclear magnetic resonance.[4][5]
1,2,4,5-Tetrachloro-3-nitrobenzene is also a fungicide used to prevent dry rot and sprouting on potatoes during storage.[6][7]
References
edit- ^ impure samples may appear yellow or pale-brown
- ^ Bhar, A.; Aune, J. P.; Benali-Cherif, N.; Benmenni, L.; Giorgi, M. (1995). "Three Polychloromononitrobenzenes: C6H3Cl2NO2, C6H2Cl3NO2 and C6HCl4NO2". Acta Crystallographica Section C Crystal Structure Communications. 51 (2): 256–260. doi:10.1107/S0108270194002957.
- ^ a b c d Record of Tecnazen in the GESTIS Substance Database of the Institute for Occupational Safety and Health
- ^ Bayle, Elliott; Igoe, Niall; Fish, Paul V. (2017). "4-Cyano-2-methoxybenzenesulfonyl Chloride". Organic Syntheses. 94: 198–216. doi:10.15227/orgsyn.094.0198.
- ^ "1,2,4,5-Tetrachloro-3-nitrobenzene Standard for quantitative NMR, TraceCERT 117-18-0".
- ^ "Tecnazene Pestanal analytical standard 117-18-0".
- ^ Bhatt, Varsha D.; Soman, Rajiv S.; Miller, Matthew A.; Kasting, Gerald B. (2008). "Permeation of Tecnazene through Human Skin in Vitro as Assessed by HS-SPME and GC-MS". Environmental Science & Technology. 42 (17): 6587–6592. Bibcode:2008EnST...42.6587B. doi:10.1021/es800107k. PMID 18800534.