Dl-Tartaric Acid CAS No.: 133-37-9

DL-Tartaric Acid CAS NO.:133-37-9
CAS NO.:133-37-9
Name:DL-Tartaric Acid
Function:
DEscriptION
Colorless and semi-transparent or white powder, with sour taste
Chemical Name2,3-Dihydroxybutanedioic acidMolecular FormulaC4H6O6Structural FormulaMolecular Weight
150.09
SPECIFICATION
(Executive Standard: GB 15358-2008,also meets the standard of Japan Kimisada book)
C4H6O6*H2O
C4H6O6
AssayC4H6O6
99.5% Min99.5% MinMelting Point200~206200~206
Heavy metals(as Pb)
0.001%Max0.001%MaxResidue On Ignition0.10% Max0.10% MaxReductionon drying11.5%Max0.5%MaxArsenic(as As)0.0002%Max0.0002%MaxReadily Oxidizable SubstancesQualifiedQualifiedSulfate(SO4)
0.04%Max
0.04%Max
MAIN FUNCTION AND PURPOSE
This product is widely used in many fields such as foodstuff, medicine, chemical industry and light industry etc., and is mainly used to make tartrates (tartaric acid salts), like antimony potassium tartrate, potassium sodium tartrate. It can be served as beer vesicant, foodstuff sourness agent and flavoring etc. Its sourness is 1.3 times of that of citric acid, and is especially suitable to be a sourness agent of grape juice. It is also very important for the tannage, photograph, glass, enamel and telecommunication equipment industries.
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