英语词典化工词典

ethyl 6-chloro-4-oxochromene-2-carboxylate

ethyl 6-chloro-4-oxochromene-2-carboxylate


  • 中文别名:ethyl 6-chloro-4-oxochromene-2-carboxylate
  • 中文释义:ethyl 6-chloro-4-oxochromene-2-carboxylate
  • 英文别名:ethyl 6-chloro-4-oxochromene-2-carboxylate;
    ethyl 6-chloro-4-oxo-4H-chromene-2-carboxylate;
    6-chloro-4-oxo-4H-chromene-2-carboxylic acid ethyl ester;
    Ethyl-6-chlorchromon-2-carboxylat;
    4H-1-Benzopyran-2-carboxylic acid,6-chloro-4-oxo-,ethyl ester;
    6-Chlor-chromon-carbonsaeure-(2)-aethylester;
    Ethyl 6-chloro-4-oxo-4H-1-benzopyran-2-carboxylate 
  • CAS No.:38322-69-9
  • 分子式:

    C12H9ClO4

  • 分子量:252.65000
  • 精确分子量:252.01900
  • PSA:56.51000
  • InChI:The Key: JKMIKRDROJBJMP-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.394g/cm3
沸点:
368.2ºC at 760 mmHg
闪点:
156.1ºC
折射率:
1.579

安全信息

密度:
1.394g/cm3
沸点:
368.2ºC at 760 mmHg
闪点:
156.1ºC
折射率:
1.579

海关数据

中国海关编码:2918300090

概述:
2918300090 其他含醛基或酮基不含其他含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
申报要素:
品名, 成分含量, 用途
摘要/Summary:
2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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