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Butanoic acid, monoester with 1,2-propanediol

名称:Butanoic acid, monoester with 1,2-propanediol
别名:29592-95-8
Mixture of 2-hydroxypropyl butyrate and 1-hydroxypropan-2-yl butyrate
Propyleneglycol monobutyrate (mixture of isomers)
分子式:C7H14O3
分子量:146.18
FEMA:4488
JECFA:1979
JECFA信息:
最近的JECFA评价的日期和会议次数:2010 (Session 73)
质量规格的状况:Full
物理形状/气味:Clear colourless liquid; Mild fruity ethereal aroma
溶解度:Slightly soluble in water
乙醇中溶解度:Soluble
沸点(℃):227-228℃
最低检测值%:88%
酸价的上限:1
折射系数:1.422-1.430
比重:0.990-0.998 (20℃)
其他要求:Mixture of isomers: 60-63% 2-Hydroxypropyl butyrate; 28-29% 1-Hydroxypropan-2-yl butyrate; 6-10% Propyleneglycol dibutyrate
验证实验:CNMR HNMR MS
光谱图:
Butanoic acid, monoester with 1,2-propanediol光谱图1

Butanoic acid, monoester with 1,2-propanediol光谱图2

Butanoic acid, monoester with 1,2-propanediol光谱图3