英语词典化工词典

4H-1-Benzopyran-4-one,7-chloro-2,3-dihydro-

4H-1-Benzopyran-4-one,7-chloro-2,3-dihydro-


  • 中文别名:7-氯-4-二氢色原酮
  • 中文释义:7-氯-4-二氢色原酮;7-氯-4-色原酮;7-氯-苯并四氢吡喃-4-酮
  • 英文别名:7-chloro-2,3-dihydrochromen-4-one;
    7-chlorochroman-4-one;
    7-CHLORO-4-CHROMANONE;
    7-chloro-3,4-dihydro-2H-1-benzopyran-4-one;
    7-Chlorchroman-4-on;
    7-chloro-2,3-dihydro-1-benzopyran-4-one 
  • CAS No.:18385-72-3
  • 分子式:C9H7ClO2
  • 分子量:182.60368
  • 精确分子量:182.01300
  • PSA:26.30000
  • InChI:InChI=1/C9H7ClO2/c10-6-1-2-7-8(11)3-4-12-9(7)5-6/h1-2,5H,3-4H2
  • 分子结构式:

物化性质

密度:
1.345 g/cm3
沸点:
322ºC at 760 mmHg
闪点:
149.7ºC
折射率:
1.578
蒸汽压:
0.000286mmHg at 25°C

安全信息

密度:
1.345 g/cm3
沸点:
322ºC at 760 mmHg
闪点:
149.7ºC
折射率:
1.578
蒸汽压:
0.000286mmHg 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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