21900-24-3

• 常用中文名：4-氯-3-甲基苯甲酰氯
• 常用英文名：4-Chloro-3-methylbenzoyl chloride
• CAS号：21900-24-3
• 分子式：C₈H₆Cl₂O
• 分子量：189.039
• 发布时间：2017-06-04 15:42:49
• 更新时间：2025-09-19 17:25:59

名称

• 中文名: 4-氯-3-甲基苯甲酰氯
• 英文名: 4-Chloro-3-methylbenzoyl chloride
• 英文别名: 4-Chlor-3-methyl-benzoylchlorid; 4-chloro-3-methyl-benzoyl chloride; 4-chloranyl-3-methyl-benzoyl chloride; Benzoyl chloride, 4-chloro-3-methyl-; 3-methyl-4-chloro benzoylchloride; Benzoyl chloride,4-chloro-3-methyl; 4-Chloro-3-methylbenzoyl chloride

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 248.0±20.0 °C at 760 mmHg
• 分子式: C₈H₆Cl₂O
• 分子量: 189.039
• 闪点: 100.3±22.1 °C
• 精确质量: 187.979568
• PSA: 17.07000
• LogP: 3.43
• 蒸汽压: 0.0±0.5 mmHg at 25°C
• 折射率: 1.555
• 储存条件: 2-8°C， 惰性气体

安全

• 海关编码: 2916399090

合成路线

7697-29-2 ~% 21900-24-3

文献：Beaulieu, Pierre L.; Coulombe, Rene; Fazal, Gulrez; Goulet, Sylvie; Poirier, Martin; Rancourt, Jean; Stammers, Timothy; Thavonekham, Bounkham Patent: US2008/45516 A1, 2008 ; Location in patent: Page/Page column 50 ;

79-37-8 7697-29-2 ~% 21900-24-3

文献：Breitenbucher, J. Guy; Cai, Hui; Edwards, James P.; Grice, Cheryl A.; Gu, Yin; Gustin, Darin J.; Karlsson, Lars; Khatuya, Haripada; Meduna, Steven P.; Pio, Barbara A.; Sun, Siquan; Tays, Kevin L.; Thurmond, Robin L.; Wei, Jianmei Patent: US2003/69240 A1, 2003 ;

95-66-9 ~% 21900-24-3

文献：Bergmann; Barshai Journal of the American Chemical Society, 1959 , vol. 81, p. 5641,5644

101349-71-7 ~% 21900-24-3

文献：Bergmann; Barshai Journal of the American Chemical Society, 1959 , vol. 81, p. 5641,5644

117890-58-1 ~% 21900-24-3

文献：Bergmann; Barshai Journal of the American Chemical Society, 1959 , vol. 81, p. 5641,5644

上下游产品

上游产品  5
7697-29-2 79-37-8 95-66-9 101349-71-7
117890-58-1
下游产品  0

海关

海关编码	2916399090
中文概述	2916399090 其他芳香一元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%