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4-hydroxy-4-methylpent-2-ynoic acid

4-hydroxy-4-methylpent-2-ynoic acid


  • 中文别名:4-羟基-4-甲基-2-戊酸
  • 中文释义:4-羟基-4-甲基-2-戊酸
  • 英文别名:4-hydroxy-4-methylpent-2-ynoic acid;
    4-Hydroxy-4-methyl-pent-2-in-saeure;
    4-hydroxy-4-methyl-2-pentynoic acid;
    4-hydroxy-4-methyl-pent-2-ynoic acid;
    4-Hydroxy-4-methylpent-2-inolsaeure;
    4-Hydroxy-4-methyl-pentin-(2)-saeure 
  • CAS No.:50624-25-4
  • 分子式:C6H8O3
  • 分子量:128.12600
  • 精确分子量:128.04700
  • PSA:57.53000
  • InChI:The Key: SSMODACYDJLXEK-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.243g/cm3
沸点:
275.8ºC at 760 mmHg
闪点:
134.8ºC
折射率:
1.511

安全信息

密度:
1.243g/cm3
沸点:
275.8ºC at 760 mmHg
闪点:
134.8ºC
折射率:
1.511

海关数据

中国海关编码:2918199090

概述:
HS: 2918199090. 其他含醇基但不含其他含氧基羧酸(包括其酸酐、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:
2918199090 other carboxylic acids with alcohol 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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