脱氢醋酸
Dehydroacetic acid
中文别称:
3-乙酰基-6-甲基-2,4-吡喃二酮
英文别称:
2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid, delta-lactone; 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one; 3-Acetyl-6-methyl-2,4-pyrandione; 3-acetyl-6-methyl-2H-Pyran-2,4(3H)-dione; 3-Acetyl-6-methyl-2-pyranone; DHA; DHAA; Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-;
CAS号:
520-45-6
EINECS号:
208-293-9
分子式:
C8H8O4
分子量:
168.15
物化性质
外观与性状: | 白色粉末 |
密度: | 269 |
熔点: | physicalProperty.meltingPoint |
沸点: | 270℃ |
闪点: | 150.6 ºC |
折射率: | 1.4379 (20 C) |
安全信息
包装等级: | II; III |
危险类别: | 4.1 |
海关编码: | 29322980 |
WGK Germany: | 1 |
危险类别码: | R22 |
安全说明: | S22 |
rtecs 编码: | UP8050000 |
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