DL-Tartaric Acid
CAS NO.:133-37-9
Standard:Japanese Standard of Food additives VII
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

SPECIFICATION
Japanese Standard of Food additives VII

   C4H6O6·H2O C4H6O6

Assay(C4H6O6)

 99.5% Min 99.5% Min
Melting Point 200～206 200～206
Heavy Metals (as Pb) 0.001% Max 0.001% Max
Residue on Ignition 0.1%Max 0.1%Max
Loss on Drying 11.5% Max 0.5% Max
Readily Oxidizable Substances Qualified Qualified
Sulfate Test

0.04% Max

0.04% Max

Arsenic (as As) 0.0002% Max 0.0002% 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. This product is appraised as an excellent food additive by the FAO/WHO experts committee. It is also very important for the tannage, photograph, glass, enamel and telecommunication equipment industries.
PACKING
 25KG net in Kratf/Plastic Bag lined with PE bag, 20MT/20'FCL (on pallet).
STORAGE
 Kept airtightly in a light-proof, dry and cool place.