3929-89-3

• 常用中文名：2,3-二羟基-4-甲基苯甲酸
• 常用英文名：2,3-Dihydroxy-4-methylbenzoic acid
• CAS号：3929-89-3
• 分子式：C₈H₈O₄
• 分子量：168.14700
• 发布时间：2018-05-16 08:00:00
• 更新时间：2024-01-09 00:52:40

名称

• 中文名: 2,3-二羟基-4-甲基苯甲酸
• 英文名: 2,3-Dihydroxy-4-methylbenzoic acid
• 英文别名: 4-Methyl-o-pyrocatechuic acid; o-Pyrocatechuic acid,4-methyl; 2,3-Dihydroxy-4-methyl-benzoesaeure; 2,3-dihydroxy-4-methyl-benzoic acid

物化性质

• 密度: 1.46g/cm3
• 沸点: 370.4ºC at 760 mmHg
• 分子式: C₈H₈O₄
• 分子量: 168.14700
• 闪点: 192ºC
• 精确质量: 168.04200
• PSA: 77.76000
• LogP: 1.10440
• 折射率: 1.645

安全

• 海关编码: 2918290000

合成路线

124-38-9 488-17-5 ~% 3929-89-3

文献：Wessely et al. Monatshefte fuer Chemie, 1950 , vol. 81, p. 1071,1083

298-14-6 488-17-5 ~% 3929-89-3

文献：Wuensch, Christiane; Gross, Johannes; Steinkellner, Georg; Lyskowski, Andrzej; Gruber, Karl; Glueck, Silvia M.; Faber, Kurt RSC Advances, 2014 , vol. 4, # 19 p. 9673 - 9679

1393905-59-3 ~% 3929-89-3

文献：Clapham, Kate M.; Rennison, Tommy; Jones, Gavin; Craven, Faye; Bardos, Julia; Golding, Bernard T.; Griffin, Roger J.; Haggerty, Karen; Hardcastle, Ian R.; Thommes, Pia; Ting, Attilla; Cano, Celine Organic and Biomolecular Chemistry, 2012 , vol. 10, # 33 p. 6747 - 6757

61203-58-5 ~% 3929-89-3

文献：Clapham, Kate M.; Rennison, Tommy; Jones, Gavin; Craven, Faye; Bardos, Julia; Golding, Bernard T.; Griffin, Roger J.; Haggerty, Karen; Hardcastle, Ian R.; Thommes, Pia; Ting, Attilla; Cano, Celine Organic and Biomolecular Chemistry, 2012 , vol. 10, # 33 p. 6747 - 6757

海关

海关编码	2918290000
中文概述	2918290000 其他含酚基但不含其他含氧基羧酸及其酸酐、酰卤化物、过氧化物和过氧酸及它们的衍生物。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。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
监管条件	A.入境货物通关单 B.出境货物通关单
检验检疫	R.进口食品卫生监督检验 S.出口食品卫生监督检验
Summary	HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%