英语词典化工词典

1H-2-Benzopyran-7-carboxylicacid, 5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-

1H-2-Benzopyran-7-carboxylicacid, 5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-


  • 中文别名:1H-2-苯并吡喃-7-羧基LIC酸, 5-氯-3,4-二氢-8-羟基-3-甲基-1-氧代-
  • 中文释义:1H-2-苯并吡喃-7-羧基LIC酸,5-氯-3,4-二氢-8-羟基-3-甲基-1-氧代;1H-2-苯并吡喃-7-羧基LIC酸, 5-氯-3,4-二氢-8-羟基-3-甲基-1-氧代-
  • 英文别名:5-CHLORO-3,4-DIHYDRO-8-HYDROXY-3-METHYL-1H-2-BENZOPYRAN-1-ONE-7-CARBOXYLIC ACID;
    1H-2-Benzopyran-7-carboxylic acid,5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo;
    5-chloro-8-hydroxy-3-methyl-1-oxoisochroman-7-carboxylic acid;
    3-methyl-5-chloro-7-carboxy-8-hydroxyisocoumarin;
    5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin-7-carboxylic acid 
  • CAS No.:16281-39-3
  • 分子式:

    C11H9ClO5

  • 分子量:256.64
  • 精确分子量:256.01400
  • PSA:83.83000
  • InChI:The Key: OSFWJKYWJMZKSM-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.539g/cm3
沸点:
521.4ºC at 760mmHg
闪点:
269.2ºC
折射率:
1.62
蒸汽压:
1.06E-11mmHg at 25°C

安全信息

密度:
1.539g/cm3
沸点:
521.4ºC at 760mmHg
闪点:
269.2ºC
折射率:
1.62
蒸汽压:
1.06E-11mmHg 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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