Chemical Name: Sodium pyrophosphate
CAS No.: 7758-16-9
Appearance: White powder
Assay：99%
Sodium pyrophosphate CAS 7758-16-9
Description
Quick Details
Chemical Name: Sodium pyrophosphate
CAS No.: 7758-16-9
Molecular Fomula: H5NaO7P2
Chemical Structure:
Molecular weight: 201.97
Appearance: White powder
Assay：99%
Typical Properties
| 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) |
| 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. |
application:
Sodium Pyrophosphate Dibasic is anhydrous form, pyrophosphate salt used in buffers.
Packaging and Shipping
Drum, 25kg
Storage
Keep in dark place,Inert atmosphere,Store in freezer, under -20°C