英语词典化工词典

2H,6H-Benzo[1,2-b:5,4-b']dipyran-2-one,7,8-dihydro-7-hydroxy-8,8-dimethyl-, (7S)-

2H,6H-Benzo[1,2-b:5,4-b']dipyran-2-one,7,8-dihydro-7-hydroxy-8,8-dimethyl-, (7S)-


  • 中文别名:日本前胡醇
  • 中文释义:日本前胡醇
  • 英文别名:decursinol;
    Smyrinol;
    (S)-(+)-decursinol;
    (3S)-3-hydroxy-2,2-dimethyl-3,4-dihydropyrano[3,2-g]chromen-8-one;
    Smirino;
    (+)-Decursinol;
    Decursinol [INCI] 
  • CAS No.:23458-02-8
  • 分子式:C14H14O4
  • 分子量:0
  • 精确分子量:246.08900
  • PSA:59.67000
  • InChI:The Key: BGXFQDFSVDZUIW-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.293g/cm3
沸点:
433.6ºC at 760mmHg
闪点:
167.9ºC
折射率:
1.592
蒸汽压:
2.74E-08mmHg at 25°C

安全信息

密度:
1.293g/cm3
沸点:
433.6ºC at 760mmHg
闪点:
167.9ºC
折射率:
1.592
蒸汽压:
2.74E-08mmHg at 25°C

海关数据

中国海关编码:2932999099

概述:
2932999099. 其他仅含氧杂原子的杂环化合物. 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:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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