1)Dibenzoyl-L-tartaric Acid Monohydrate
MF: C18H14O9; FW: 376.34;
Purity: 98.0%min;
Specific rotation: [a]D20=-109~-112" (C=1.5, EtOH));
Melting Point: 90~92C
Properties:
It is a crystalline white powder, odourless and tastes slightly bitter. It is slightly soluble in water and PH value is 3~4, acidic, soluble in such organic solvent as ethanol or acetone and it is easily hygroscopic in the air.

2)Dibenzoyl-D-tartaric acid monohydrate
CA: [80822-15-7], FW 376.34, [C6H5CO2(CO2H)-]2. H2O
Purity: >98% (HPLC), white crystallinc powder, melting point: 89-92 degree C,
Specific optical rotation: (¦Á)D20: +109- +111degree (c=9, C2H5OH)

3)Dibenzoyl-D-tartaric Acid
CAS: 17026-42-5; MF: C18H14O8; FW: 358.33;
Properties: It is a crystalline white powder, odourless and tastes slightly bitter. It is slightly soluble in water and PH value is 3~4, acidic, soluble in such organic solvent as ethanol or acetone and it is easily hygroscopic in the air. Purity: 98.0%min;
Specific rotation: [¦Á]D20=+114~+117degree(C=9, EtOH))
Melting Point: 154~156degree C
Packing: 25kgs fibre drums

4)Dibenzoyl-L-tartaric Acid
CAS: 2743-38-6; MF: C18H14O8; FW: 358.33;
Properties: It is a crystalline white powder, odourless and tastes slightly bitter. It is slightly soluble in water and PH value is 3~4, acidic, soluble in such organic solvent as ethanol or acetone and it is easily hygroscopic in the air.
Purity: 98.0%min;
Specific rotation: [¦Á]D20=-114~-117degree(C=9, EtOH));
Melting Point: 152~154 degree
Packing: 25kgs fibre drums