| Identification | |
| Name: | Disodium pyrophosphate |
| Synonyms: | Disodium dihydrogen pyrophosphate;Disodiumdiphosphate;Disodium pyrophosphate (Na2H2P2O7);SAPP;SAPP 40;SAPP-RD 1;Sodium hydrogen phosphate (Na2H2P2O7);Sodium acid pyrophosphate(SAPP);Sodium Acid Pyrophosphate (SAPP);Diphosphoricacid, disodium salt (9CI);Pyrophosphoric acid, disodium salt (8CI);Sodiumpyrophosphate (Na2H2P2O7) (6CI);Dihydrogen disodium pyrophosphate;Disodium dihydrogen diphosphate;Disodium dihydrogendiphosphate (Na2H2P2O7); |
| CAS: | 7758-16-9 |
| EINECS: | 231-835-0 |
| Molecular Formula: | H2Na2O7P2 |
| Molecular Weight: | 265.902402 |
| InChI: | InChI=1S/4Na.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4 |
| Molecular Structure: |  |
| Properties | |
| Melting Point: | 988 DEG C |
| Density: | 2.311 g/cm3 (25 C) |
| Stability: | Stable. |
| Appearance: | white powder |
| Specification: |
Other names of Disodium pyrophosphate (CAS NO.7758-16-9): |
| Report: |
Reported in EPA TSCA Inventory. |
| Color: | CRYSTALS COLORLESS, TRANSPARENT CRYSTALS OR WHITE POWDER White powder or granules. |
| Usage: | Electroplating, metal cleaning and phosphatising, drilling muds, baking powders and leavening agent, buffer, sequestrant, peptising agent in cheese and meat products, frozen desserts. |
| Safety Data | |
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