| Melting point |
decomposes 220℃ [MER06] |
| Density |
(hexahydrate) 1.86 |
| vapor pressure |
0Pa at 20℃ |
| storage temp. |
-70°C |
| solubility |
H2O: 0.1 M at 20 °C, clear, colorless |
| form |
white powder |
| color |
White to Off-White |
| PH |
3.5-4.5 (20℃, 0.1M in H2O, freshly prepared) |
| biological source |
rabbit |
| Water Solubility |
Fully miscible in water. Insoluble in alcohol and ammonia. |
| λmax |
λ: 260 nm Amax: 0.11
λ: 280 nm Amax: 0.09 |
| Merck |
13,8643 |
| Stability |
Stable. |
| Cosmetics Ingredients Functions |
BUFFERING
ANTICORROSIVE
CHELATING |
| Cosmetic Ingredient Review (CIR) |
Sodium pyrophosphate (7758-16-9) |
| InChI |
InChI=1S/Na.H4O7P2.H/c;1-8(2,3)7-9(4,5)6;/h;(H2,1,2,3)(H2,4,5,6); |
| InChIKey |
IQTFITJCETVNCI-UHFFFAOYSA-N |
| SMILES |
O(P(O)(O)=O)P(O)(O)=O.[NaH] |
| LogP |
-3.420 (est) |
| CAS DataBase Reference |
7758-16-9(CAS DataBase Reference) |
| EPA Substance Registry System |
Disodium diphosphate (7758-16-9) |
