Detail of > 82419-32-7
- CAS Number:
- 82419-32-7
- Name:
2-Propanone,1-(2,3-difluoro-6-nitrophenoxy)-
- Superlist Name:
- 2-Acetonyloxy-3,4-difluoro nitrobenzene
- Formula:
- C9H7 F2 N O4
- Molecular Structure:
- Synonyms:
- 1-(2,3-Difluoro-6-nitrophenoxy)-2-propanone;2-Acetonyloxy-3,4-difluoro nitrobenzene; 3,4-Difluoro-2-(2-oxopropyloxy)nitrobenzene
- Molecular Weight:
- 231.15
- Density:
- 1.41 g/cm3
- Melting Point:
- 40-45 ºC
- Boiling Point:
- 335.4 °C at 760 mmHg
- Flash Point:
- 156.6 °C
- Appearance:
- Yellow crystalline powder
- Hazard Symbols:
- Risk Codes:
- R36/37/38
- Safety:
- S26;S37/39Details
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Reference
- Improved technology for synthesis of 2-acetonyloxy-3,4-difluoronitrobenzene
- Some chemicals with cas registry numbers like 82419-32-7 are also used. Improved technology for synthesis of 2-acetonyloxy-3,4-difluoronitrobenzene. Wei, Jian-guo; Cui, Li-yan; Sheng, Rong; Yang, Chun-hua; Yang, Yun ( College of Chemical Engineering, Zhengzhou University, Zhengzhou 450002, Peop. Rep. China). Jingxi Huagong, 19(8), 446-447 (Chinese) 2002 Jingxi Huagong Bianjibu. CODEN: JIHUFJ. ISSN: 1003-5214. DOCUMENT TYPE: Journal CA Section: 45 (Industrial Organic Chemicals, Leather, Fats, and Waxes) 2,3,4-Trifluoronitrobenzene was hydrolyzed in alkali soln. to the corresponding potassium phenolate (I). In the presence of potassium iodide, treatment of I with monochloroacetone gave 2-acetonyloxy-3,4-difluoronitrobenzene(II). At molar ratio of 2,3,4-trifluoronitrobenzene: monochloroacetone: potassium iodide = 1...06 and temp. 82419-32-7 which is the cas registry number of some chemical is mentioned. of 55°C ,the yield of II was 70.2% and the purity was 97.5%. The drawback of the old method to use hydrochloric acid and potassium carbonate was avoided. This improved method is suitable for industrial prodn. for its low cost. ..
- Improved technology for synthesis of 2-acetonyloxy-3,4-difluoronitrobenzene
- Some chemicals with cas registry numbers like 82419-32-7 are also used. Improved technology for synthesis of 2-acetonyloxy-3,4-difluoronitrobenzene. Wei, Jian-guo; Cui, Li-yan; Sheng, Rong; Yang, Chun-hua; Yang, Yun ( College of Chemical Engineering, Zhengzhou University, Zhengzhou 450002, Peop. Rep. China). Jingxi Huagong, 19(8), 446-447 (Chinese) 2002 Jingxi Huagong Bianjibu. CODEN: JIHUFJ. ISSN: 1003-5214. DOCUMENT TYPE: Journal CA Section: 45 (Industrial Organic Chemicals, Leather, Fats, and Waxes) 2,3,4-Trifluoronitrobenzene was hydrolyzed in alkali soln. to the corresponding potassium phenolate (I). In the presence of potassium iodide, treatment of I with monochloroacetone gave 2-acetonyloxy-3,4-difluoronitrobenzene(II). At molar ratio of 2,3,4-trifluoronitrobenzene: monochloroacetone: potassium iodide = 1...06 and temp. 82419-32-7 which is the cas registry number of some chemical is mentioned. of 55°C ,the yield of II was 70.2% and the purity was 97.5%. The drawback of the old method to use hydrochloric acid and potassium carbonate was avoided. This improved method is suitable for industrial prodn. for its low cost. ..
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