Customization: | Available |
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CAS No.: | 137-40-6 |
Formula: | C3h5o2na |
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Food Grade 137-40-6 E281 Sodium Propionate, food preservatives sodium propionate powder
1.Competitive priceame of index | FCC-V | E281 |
Appearance | White crystalline or crystalline powder | White crystalline hygroscopic powder, or a fine white powder |
Content | 99.0-100.5 (drying basis)% | ≥99.0% (105°C,2h) |
pH (10 % aqueous solution) | - | 7.5-10.5 |
As ≤% | - | 0.0003 |
Heavy metals ≤% | - | 0.001 |
Alkalinity (as Na2CO3) | Passes test (about 0.15%) | - |
Loss on drying ≤% | 1 | 4 (105°C,2h) |
Water insoluble ≤% | - | 0.1 |
Iron ≤% | 0.003 | 0.005 |
Lead ≤% | 0.0002 | 0.0005 |
Mercury ≤% | - | 0.0001 |