Ammonium tartrate

MDL：
MFCD00013073

Molecular Formula：
C4H12N2O6；(NH4)2C4H4O6

Molecular Weight：
184.15

Alias：
2,3-二羟基-[R-(R*,R*)]-丁二酸二铵盐 L-Tartraic acid ammonium salt Butanedioic acid, 2,3-dihydroxy-[R-(R*,R*)]-, diammonium salt diammonium l-(+)-tartrate

Product order：

Name	Specifications	Packing	Price	Delivery
Ammonium tartrate	AR	500g	RMB 319	Consulting service
Ammonium tartrate	AR	100g	RMB 77	Consulting service

Character：
无色结晶。易风化，在空气中失去氨。溶于水，不溶于醇及丙酮。碱性。150°升华并分解。一般商品常制成25%溶液。
密度 1.6
比旋光度 32.4° (c=1.84, H2O)
水溶性 63 g/L (15°C) 

Quality Standard：
项目Item                                            分析纯    化学纯
                                                     (AR)      (CP)
含量(C4H12N2O
6)Assay,%                                         ≥ 99.0 　　 98.0
澄清度试验Clarity                                    合格      合格
水不溶物Insoluble matter in water,%               ≤ 0.005     0.01
灼烧残渣（以硫酸盐计）Ignition residue,%          ≤ 0.01      0.03
氯化物(Cl)Chloride,%                              ≤ 0.001     0.003
硫酸盐(SO4)Sulfate,%                              ≤ 0.005     0.01
磷酸盐(PO4)Phosphate,%                            ≤ 0.001      --
铁(Fe)Iron,%                                      ≤ 0.0005    0.001
重金属(以Pb计)Heavy metals,%                      ≤ 0.0005    0.001

Storage：
密封保存。
测定铅、镍、磷和铌等的掩蔽剂。作分析试剂和有机合成中间体。