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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: C4H3NaO4
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.
Manufacturing
