DL-Tartaric Acid

DL-Tartaric Acid
Products Name:
DL-Tartaric Acid
Product Id:
1129524216
CAS NO:
133-37-9
Product category:
Acidulants
Remarks:
[Molecular weight]: 150.09

Description

[Structural Formula]:   
[Molecular formula]: C4H6O6
[Molecular weight]: 150.09
[CAS NO]: 133-37-9
[Character]: Colorless crystals or white power, without odor, with sour taste, stable in air, compound of equal quantity ofdextro-rotatory and levo-rotatory tartaric acid, containing one or two molecule crystalline water and losting water when heated to 100°C , specific gravity 1.697. DL-Tartaric Acid solubility in ether is about 1% and 5.01( 25°C ) in ethanol, in water is 20.60( 20°C ).
[Uses]: DL-Tartaric Acid widely used in food, medicine, chemistry and light industry, etc., Mainly sed to manufacture tartaric acid salts, such potassium sodium tartrate and used as beer foaming agent. Also applied in tanning, photo, glass, enamel and telecom materials industries. Its acidity is as 1.3 times as citric acid, so specially as acidifying agent for grape juice.
[Packing]: 25kg complex bags lined with double-layered kraft paper bags and film bag.
[Storage]: Keep in the clear and dry storage shed.
[Specifications]: Complies with BP98 & US FCC(IV) & GB15358-94.
Item
BP98
US FCC(IV)
GB15358-94
Content%
99.5-101.0
99.7
99.5
99.5
Ca ≤%
0.02
-
-
-
Melting point
-
-
200 -206°C
200 -260°C
Heavy metals(Pb) ≤%
0.001
0.001
0.001
0.001
Chloride (Cl) ≤%
0.01
-
-
-
Sulphate (SO4) ≤%
0.015
Qualified
0.04
0.04
Oxalate (C2O4) ≤%
0.035
Qualified
Qualified
Qualified
Loss on drying ≤%
0.2
0.5
11.5
0.5
Residue on ignition % ≤
-
0.05
0.10
0.10
Arsenic (As) % ≤
-
0.0003
0.0002
0.0002