km-369

Product Name:  D(-)-Tartaric acid

CAS:  147-71-7

Molecular formula:  C₄H₆O₆

Molecular Weight:  150.1

Assay:  99.5%min

Melting Point: 164-170℃

Specific rotation (20℃):  -12 to -12.5^o

Residue on ignition:  0.1% max.

Oxalates:  0.35% max.

Sulfate:  0.2% max.

Heavymetal( as Pb)：10ppm

As:  2ppm max

Application :  As pharmaceutical raw materials

Packing:  40kg/ iron drum or 25kg/ complex kraft bag