| Melting point |
61 °C |
| Density |
approximate 1.9g/ml (25℃) |
| storage temp. |
-20°C, Hygroscopic |
| solubility |
DMSO (Soluble) |
| pka |
0.99±0.10(Predicted) |
| form |
white crystals |
| color |
white crystals, crystalline |
| PH |
pKa1= 0.86, pKa2 = 1.76, pKa3 = 5.88, pKa4 = 8.14(25℃) |
| Water Solubility |
709g/100mL H2O (23°C); soluble alcohol, ether [MER06] |
| Merck |
13,8098 |
| Stability |
Hygroscopic, Moisture Sensitive |
| InChI |
InChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6) |
| InChIKey |
XPPKVPWEQAFLFU-UHFFFAOYSA-N |
| SMILES |
P(OP(O)(=O)O)(O)(O)=O |
| CAS DataBase Reference |
2466-09-3(CAS DataBase Reference) |
| EPA Substance Registry System |
Diphosphoric acid (2466-09-3) |
