3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid)

• 常用名: 3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid)
• 英文名: 3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid)
• CAS号: 552-21-6
• 分子量: 352.25000
• 密度: 1.909g/cm3
• 沸点: 820.9ºC at 760 mmHg
• 分子式: C₁₅H₁₂O₁₀
• 熔点: N/A
• 闪点: 464.1ºC

名称

• 英文名: 2-[(6-carboxy-2,3,4-trihydroxyphenyl)methyl]-3,4,5-trihydroxybenzoic acid

物理化学性质

• 密度: 1.909g/cm3
• 沸点: 820.9ºC at 760 mmHg
• 分子式: C₁₅H₁₂O₁₀
• 分子量: 352.25000
• 闪点: 464.1ºC
• 精确质量: 352.04300
• PSA: 195.98000
• LogP: 0.90740
• 折射率: 1.825

安全信息

• 海关编码: 2918290000

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%

英文别名

• Benzoic acid,2,2'-methylenebis[3,4,5-trihydroxy
• 3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid)
• EINECS 209-005-4
• 3,4,5,3',4',5'-hexahydroxy-2,2'-methanediyl-di-benzoic acid
• Methylenedigallic acid
• 2,2'-methylenebis(3,4,5-trihydroxybenzoic acid)
• 3,4,5,3',4',5'-Hexahydroxy-2,2'-methandiyl-di-benzoesaeure