21436-44-2

• 常用中文名：3-甲基苯-1-羧酸酐
• 常用英文名：m-Toluic anhydride
• CAS号：21436-44-2
• 分子式：C₁₆H₁₄O₃
• 分子量：254.28100
• 发布时间：2018-07-19 16:05:43
• 更新时间：2025-08-31 14:06:49

名称

• 中文名: 3-甲基苯-1-羧酸酐
• 英文名: (3-methylbenzoyl) 3-methylbenzoate
• 中文别名: 3-甲基苯甲酸酐
• 英文别名: 3-Methyl-benzoesaeure-anhydrid; 3-methyl-benzoic acid-anhydride; 3-methylbenzoyl 3-methylbenzoate; 3-methylbenzoic anhydride; m-Toluic anhydride; m-methylbenzoic anhydride; 3-methylbenzene-1-carboxylic anhydride; m-Toluylsaeure-anhydrid

物化性质

• 密度: 1.159g/cm3
• 沸点: 414.4ºC at 760mmHg
• 分子式: C₁₆H₁₄O₃
• 分子量: 254.28100
• 闪点: 197.7ºC
• 精确质量: 254.09400
• PSA: 43.37000
• LogP: 3.30060
• 蒸汽压: 4.48E-07mmHg at 25°C
• 折射率: 1.576

安全

• 海关编码: 2916399090

合成路线

201230-82-2 625-95-6 ~71% 21436-44-2

文献：Li, Yang; Xue, Dong; Wang, Chao; Liu, Zhao-Tie; Xiao, Jianliang Chemical Communications, 2012 , vol. 48, # 9 p. 1320 - 1322

99-04-7 ~% 21436-44-2

文献：Chemische Berichte, , vol. 57, p. 436

1711-06-4 ~36% 21436-44-2

文献：Cirriez, Virginie; Rasson, Corentin; Riant, Olivier Advanced Synthesis and Catalysis, 2013 , vol. 355, # 16 p. 3137 - 3140

201230-82-2 108-88-3 ~% 13222-85-0 21436-44-2 详细

文献：Journal of the Chemical Society, Chemical Communications, , # 2 p. 132 - 133

1711-06-4 99-04-7 ~% 21436-44-2

文献：Bulletin of the Chemical Society of Japan, , vol. 75, # 1 p. 137 - 148

78823-33-3 ~% 21436-44-2 108-24-7

文献：Journal of Organic Chemistry, , vol. 46, p. 4413 - 4416

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%