Inorganic Salts
Sodium Phosphate Dibasic Dodecahydrate Extra Pure
RA002431 CAS 10039-32-4 Extra Pure
Identity
Classification
- Categories
- Inorganic Salts primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | Colorless crystals | — |
| Odour | Odorless | — |
| pH value | 8.4 - 9.6 | — |
| Melting point/ Freezing point [°C] | 34 °C | °C |
| Density [g/cm3] | 1.5 g/cm3 | g/cm3 |
| Solubility in water [% weight] | 35.8 g/L | g/L |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit | Method |
|---|---|---|---|
| Appearance | Colourless crystals | — | — |
| Substance reducing KMnO4 | Max 0.02 % | % | — |
| Loss on drying (130 °C) | 57 - 61 % | % | — |
| Water | 57 - 61 % | % | KF |
| Assay | 98.5 - 100.5 % | % | acidimetric |
| pH | 9.0 - 9.3 | — | — |
| Chloride (Cl) | Max 0.01 % | % | — |
| Sulphate (SO4) | Max 0.01 % | % | — |
| Sodium dihydrogen phosphate (NaH2PO4) | Max 1.0 % | % | — |
| Heavy metal | Max 0.001 % | % | — |
| Iron (Fe) | Max 0.001 % | % | — |
| Arsenic (As) | Max 0.0001 % | % | — |
Available grades
4 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.
Packaging
| Pack size | SKU |
|---|---|
| 25 kg | RA002431-PK-25KG |
| 500 g | RA002431-PK-500G |
| 50 kg | RA002431-PK-50KG |