DL-Tartaric Acid
CAS NO.：133-37-9
SPECIFICATION
(Executive Standard: GB 15358-2008,also meets the standard of Japan Kimisada book)
DESCRIPTION: Colorless and semi-transparent or white powder, with sour taste.
Chemical Name: 2,3-Dihydroxybutanedioic acid
Molecular Formula: C4H6O6
Structural Formula: 
Molecular Weight: 150.09
AssayC4H6O6: 99.5% Min
Melting Point: 200~206
Heavy Metals(as Pb): 0.001% Max
Residue On Ignition: 0.10% Max
Reduction on drying: 0.5% Max
Arsenic(as As): 0.0002% Max
Sulfate(SO4): 0.04% Max
Readily Oxidizable Substances: Qualified
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.
PACKING:
25KG net in Kraft/Plastic Bag lined with PE bag, 20MT/20FCL (on pallet).
STORAGE:
Kept airtightly in a light-proof, dry and cool place.