2-Butynoic acid,4-hydroxy-
- 中文别名:4-羟基丁-2-炔酸
- 中文释义:4-羟基丁-2-炔酸;4-羟基-2-丁炔酸
- 英文别名:4-Hydroxybut-2-ynoic acid;
4-hydroxy-2-butynoic acid;
Hydroxy-but-2-insaeure;
4-oxidanylbut-2-ynoic acid;
hydroxy-but-2-ynoic acid;
4-hydroxy-but-2-ynoic acid;
Hydroxymethyl-propiolsaeure;
Hydroxytetrolic acid
- CAS No.:7218-52-2
- 分子式:C4H4O3
- 分子量:100.07
- 精确分子量:100.01600
- PSA:57.53000
- InChI:The Key: QVYMWMSAXULCMW-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.429 g/cm3
- 沸点:
- 319.2ºC at 760 mmHg
- 闪点:
- 161ºC
安全信息
- 密度:
- 1.429 g/cm3
- 沸点:
- 319.2ºC at 760 mmHg
- 闪点:
- 161ºC
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%