Chemical Name: tartaric acid
Scientific Name: 2,3-Dihydroxybutanedioic acid
Molecular Formular: C4H6O6
Molecular Weight: 150.09 C 32.01%, H 4.03%, O 63.96%
Character:
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.
Specifications: Complies with GB15358-94 GB15358-94
Index
Item monohydrate anhydrous
Content ≥% 99.5 99.5
Melting Point°C 200~206 200~206
Sulphate(SO4)≤% 0.04 0.04
Heavy metals (Pb)≤% 0.001 0.001
Arsenic (As) ≤% 0.0002 0.0002
Oxidizable matter Passed Passed
Loss on drying ≤% 11.5 0.5
Residue on ignition(Ash) ≤% 0.10 0.10
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 . Served
as beer vesicant and foodstuff sourness agent and flavoring etc at the foodstuff
trade and its sourness is the citric acid 1.3 times , and especially is suitable
to do the sourness agent of the grape juice. This article is appraised as the
excellent food additive by the FAO/WHO experts committee . It also has the very
important effect in tannage, photograph , glass, enamel and telecommunication
equipment etc.
Packing:In 25kg polyethylene bag with woven bag or kraft bag outside