英语词典化工词典

4-hydroxylthiocoumarin

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%

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