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网上版:“香料质量规格”

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
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
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
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