1,2-Benzenedicarboxylicacid, 4,5-dihydroxy-
- 中文别名:4,5-二羟基邻苯二甲酸
- 英文别名:4,5-dihydroxyphthalic acid;
1,2-Benzenedicarboxylic acid,4,5-dihydroxy;
4,5-Dhpa
- CAS No.:63958-66-7
- 分子式:
C8H6O6
- 分子量:198.1296
- 精确分子量:198.01600
- PSA:115.06000
- InChI:The Key: YZBCICVNBHNLTK-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.779g/cm3
- 沸点:
- 535.8ºC at 760mmHg
- 闪点:
- 291.9ºC
- 折射率:
- 1.717
安全信息
- 密度:
- 1.779g/cm3
- 沸点:
- 535.8ºC at 760mmHg
- 闪点:
- 291.9ºC
- 折射率:
- 1.717
海关数据
中国海关编码:2918290000
- 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
- 摘要/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%