| 名称： | 2,3-Dihydroxybutanedioic acid |
| 别名： | 87-69-4
alpha,beta-Dihydroxysuccinic acid
Tartaric acid (+)-, (-)-, (+/-)-, meso-
|
| 分子式： | C4H6O6 |
| 分子量： | 150.09 |
| COE编码： | 18 |
| FEMA： | 3044 |
| JECFA： | 621 |
JECFA信息：
| 最近的JECFA评价的日期和会议次数： | 1999 (Session 53) | | 质量规格的状况： | Full | | 物理形状/气味： | colourless or translucent crystals, or a white, fine to granular crystaline powder which is odourless with an acid taste | | 溶解度： | soluble in water and alcohol; 1 gm in 0.8 ml water | | 乙醇中溶解度： | 1 g in 3 ml 95% alcohol | | 最低检测值%： | 99.7% | | 其他要求： | Melting Pt.: 170℃; Heavy Metals: max. 10 ppm: Loss on Drying: max. 0.5%; Oxalate: passes test; Residue on Ignition: max. 0.5%; Specific Rotation for (+)-isomer: +12.0 to +13.0° at 25℃; Sulfa | | 验证实验： | IR | 光谱图：
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