4-hydroxylthiocoumarin
- 中文别名:4-羟基硫代香豆素
- 中文释义:4-羟基硫代香豆素;4-羟基-2H-苯并硫吡喃-2-酮
- 英文别名:2-hydroxythiochromen-4-one;
4-hydroxy-1-thiocoumarin;
4-hydroxythiocoumarun;
1-thio-4-hydroxycoumarin;
4-Hydroxythiocoumarin;
4-hydroxy-2H-1-benzothiopyran-2-one
- CAS No.:16854-67-4
- 分子式:
C9H6O2S
- 分子量:178.21
- 精确分子量:178.00900
- PSA:65.54000
- InChI:InChI=1/C9H6O2S/c10-7-5-9(11)12-8-4-2-1-3-6(7)8/h1-5,11H
- 分子结构式:
物化性质
- 密度:
- 1.478 g/cm3
- 沸点:
- 307.4ºC at 760 mmHg
- 闪点:
- 139.7ºC
- 折射率:
- 1.726
- 蒸汽压:
- 0.000315mmHg at 25°C
安全信息
- 密度:
- 1.478 g/cm3
- 沸点:
- 307.4ºC at 760 mmHg
- 闪点:
- 139.7ºC
- 折射率:
- 1.726
- 蒸汽压:
- 0.000315mmHg at 25°C
海关数据
中国海关编码:2932209090
- 概述:
- 2932209090. 其他内酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
- 申报要素:
- 品名, 成分含量, 用途
- 摘要/Summary:
- 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
热门化工词典词汇
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