DL-TARTARIC ACID

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DL-TARTARIC ACID
Posting date : Jul 25, 2009
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29-
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Commodity name:DL-TARTARIC ACID Synonym:2,3-Dihydroxybutanedioic acid CAS Number:133-37-9 Molecular Formula:C4H6O6 Molecular Weight:150.09 Properties:Colorless crystals or white powder, without odor, with sour taste, stable in air, compound of equal quantity of dextrorotatory and levorotatory tartaric acid, containing one or two molecule crystalline water and losting water when heated to 100°C, specific gravity 1.697. Its solubility in water is 20.6%,in ether is about 1% and 5.01% in ethanol. Specification Content:99.5% Melting point:200-206 Sulphate(SO4):0.04%max Oxidizable matter:passed Arsenic (As):0.0002% max Loss on drying: 0.5%max Residue on ignition(Ash): 0.1%max Heavy metal(As Pb):0.001% max Uses This product is widely used in trades such as foodstuff,medicine,chemical industry and light industry etc. ,and is chiefly used to make the tartaric acid salts , like antimony potassium tartrate, potassium sodium tartrate

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