Customization: | Available |
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CAS No.: | 7758-16-9 |
Formula: | Na2h2p2o7 |
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White powder;Relative density 1.86;Soluble in water and insoluble in ethanol
If its aqueous solution is heated together with diluted inorganic acid, it will be hydrolyzed into phosphoric acid;Technical Specification
Iterm | Standards |
Content (Na2H2P2O7)% | ≥95.0 |
Phosphorus pentoxide(P2O5) | 63.0-64.0 |
PH value | 3.5-4.5 |
Water-insoluble % | ≤1.0 |
Fluoride (F)% | ≤0.005 |
Heavy metal (Pb)% | ≤0.001 |
Arsenic (As)% | ≤0.0003 |
Loss on burning(105°C)% | ≤0.5 |
Application
1.sodium acid pyrophosphate is a popular leavening agent found in baking powders.