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Chemical Name: Sodium carbonate E 500(i)
Molecular Formula: Na2CO3
Molecular Weight: 106,00 (anhydrous)
CAS NO.: 497-19-8
Character: Colourless crystals or white, granular or crystalline powder, The anhydrous form is hygroscopic, the decahydrate efflorescent.Freely soluble in water. Insoluble in ethanol.
Usage: It is used as alkaline agent, neutralizer and leavening agent in the manufacture of amino acids and soy sauce, pasta and cakes, etc..
Packing: 25kg net paper bags.
Shelf life: 24 months
Storage and Transport: Store the substance in properly labeled, tightly closed containers, in dry, cool and well-ventilated place. Protect against very high temperatures and moisture (possible clumping substances).
| CHECK ITEM | SPECIFICATION |
Total Alkali Amount (w/%,dry basis) | ≥ 99.2% |
Total Alkali Amount (w/%,wet basis) | ≥ 97.9% |
Chloride (dry basis) | ≤ 0.7% |
Test for Sodium | Passes test |
Test for Carbonate | Passes test |
Solubility | Freely soluble in water. Insoluble in ethanol |
Loss on drying（anhydrous） | ≤ 2% |
Arsenic (As) ≤% | 0.0003 |
Lead(Pb) ≤% | 0.0002 |
Mercury(Hg)≤% | 0.0001 |
