Food safety and quality
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香料 |
Tartaric acid (+)-, (-)-, (+/-)-, meso- |
同义词 |
2,3-Dihydroxybutanedioic acid;alpha,beta-Dihydroxysuccinic acid |
JECFA评价 |
1999 (Session 53) |
质量规格的状况 |
Full |
需要信息 |
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化学名称 |
2,3-Dihydroxybutanedioic acid |
JECFA编码 |
621 |
CAS编码 |
87-69-4 |
FEMA编码 |
3044 |
COE编码 |
18 |
FLAVIS编码 |
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分子量 |
150.09 |
化学结构式 |
C4H6O6 |
物理性状/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 |
在乙醇中溶解度 |
1 g in 3 ml 95% alcohol |
沸点(C) |
NA |
检测分钟% |
99.7% |
最大酸价值 |
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折射系数 |
NA |
比重 |
NA |
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°; Sulfate: passes test |
ID试验 |
IR |
光谱 |
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/621.gif)
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