CAS NO.： |
133-37-9 (Standard: Japanese Standard of Food additives VII) |
Function：
| 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
(FCCIV,1996) |
|
C4H6O6*H2O |
C4H6O6 |
| AssayC4H6O6 |
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 |
| Arsenic(as As) |
0.0002% Max |
0.0002% Max |
| Readily Oxidizable Substances |
Qualified |
Qualified |
| Sulfate Test |
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. 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 Kraft/Plastic Bag lined with PE bag, 20MT/20FCL (on pallet). |
| STORAGE |
Kept airtightly in a light-proof, dry and
cool place. |
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|
