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Butanoic acid,2,3-dihydroxy-3-methyl

Butanoic acid,2,3-dihydroxy-3-methyl名称

[ CAS 号 ]:
1756-18-9

[ 英文名 ]:
Butanoic acid,2,3-dihydroxy-3-methyl

[英文别名 ]:

(RS)-2,3-dihydroxy-3-methylbutyric acid
3-methyl-2,3-dihydroxybutyric acid
2,3-dihydroxy-3-methylbutanoate
2,3-dihydroxy-isovalerate
2,3-Dihydroxyisovaleric acid

Butanoic acid,2,3-dihydroxy-3-methyl物理化学性质

[ 密度 ]:
1.326g/cm3

[ 沸点 ]:
332.2ºC at 760mmHg

[ 分子式 ]:
C₅H₁₀O₄

[ 分子量 ]:
134.13000

[ 闪点 ]:
168.9ºC

[ 精确质量 ]:
134.05800

[ PSA ]:
77.76000

[ 蒸汽压 ]:
1.07E-05mmHg at 25°C

[ 折射率 ]:
1.5

[ 储存条件 ]:
-20°C

Butanoic acid,2,3-dihydroxy-3-methyl安全信息

[ 海关编码 ]:
2918290000

Butanoic acid,2,3-dihydroxy-3-methyl合成路线

详细合成路线

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Butanoic acid,2,3-dihydroxy-3-methyl海关

[ 海关编码 ]: 2918290000

[ 中文概述 ]:
2918290000 其他含酚基但不含其他含氧基羧酸及其酸酐、酰卤化物、过氧化物和过氧酸及它们的衍生物。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。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

[ 监管条件 ]: A.入境货物通关单 B.出境货物通关单

[ 检验检疫 ]: R.进口食品卫生监督检验 S.出口食品卫生监督检验

[ Summary ]:
HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%