5405-40-3
中文名称
S-泛解酸内酯
英文名称
L-PANTOLACTONE
CAS
5405-40-3
分子式
C6H10O3
MDL 编号
MFCD00216625
分子量
130.14
MOL 文件
5405-40-3.mol
更新日期
2023/03/20 19:41:19
5405-40-3 结构式
基本信息
中文别名
S-泛解酸内酯S(+)-2-羟基-3,3-二甲基-γ-丁内酯
L-(+)-泛解酸内酯
英文别名
L-(+)-2-HYDROXY-3,3-DIMETHYL-GAMMA-BUTYROLACTONEL-PANTOLACTONE
L-(+)-PANTOYL LACTONE
S(+)-2-HYDROXY-3,3-DIMETHYL-GAMMA-BUTYROLACTONE
S(+)-3,3-DIMETHYL-2-HYDROXY-GAMMA-BUTYROLACTONE
(S)-(+)-DIHYDRO-3-HYDROXY-4,4-DIMETHYL-2(3H)-FURANONE
(S)-DIHYDRO-3-HYDROXY-4,4-DIMETHYL-2(3H)-FURANONE
(S)-(+)-PANTOLACTONE
(S)-(+)-alpha-Hydroxy-beta,beta-dimethyl-gamma-butyrolactone
(s)-(+)-α-hydroxy-β,β-dimethyl-γ-butyrolactone
(s)-(+)-β,β-dimethyl-α-hydroxy-γ-butyrolactone
L-Pantolactone, (S)-Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone, (S)-(+)-β,β-Dimethyl-α-hydroxy-γ-butyrolactone, (S)-(+)-α-Hydroxy-β,β-dimethyl-γ-butyrolactone
L-Pantolactone, (S)-(+)-β,β-Dimethyl-α-hydroxy-γ-butyrolactone
(S)-2,4-Dihydroxy-3,3-dimethylbutyric acid γ-lactone
L-α-Hydroxy-β,β-dimethyl-γ-butyrolactone
物理化学性质
熔点90-94 °C
沸点120-122 °C/15 mmHg(lit.)
密度1.1066 (rough estimate)
折射率1.4730 (estimate)
储存条件2-8°C
溶解度氯仿（微溶）、甲醇（微溶）、水（微溶）
酸度系数(pKa)13.12±0.40(Predicted)
形态固体
颜色白色至灰白色
旋光性 (optical activity)[α]22/D +50.0°, c = 0.5 in H2O
水溶解性Soluble in water, hardly soluble in alcohol.
BRN4659425
