 CAS NO.: 7704-73-6
Properties: White crystalline powder, odorless, with special sourness (with alkaline taste). It will be carbonized if heated. Melting point: about 290?. Soluble in water (6.87g/100ml,25?)
Molecular formula: C4 H3 NaO4 ?br /> ?
Molecular weight: 138.06
Structural formula:
Specification:
|
Item |
Unit |
Standard |
Assay(on dry basis) |
% |
98-102 |
PH |
|
3-4 |
Sulfate |
% |
=0.01 |
Pb |
PPM |
=20 |
As? |
PPM |
=2 |
Ignition(120?,4h) |
% |
=0.5 |
Maleic Acid |
% |
=0.05 |
Pb |
PPM |
=10 |
Main Function and Purpose: Buffering agent, flavoring agent, oxidation resistance auxiliaries. Used in producing wine, cold drink, sweet products, canned fruit, jam, jelly, etc.
|
