Identity
Classification
- Categories
- Organic Chemicals primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | White crystalline | — |
| Odour | Slight tartaric odor | — |
| pH value | 7 - 9 at 20 °C; at 50 g/L | — |
| Melting point/ Freezing point [°C] | 120 °C | °C |
| Density [g/cm3] | 1.82 g/cm3 | g/cm3 |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Appearance | White crystalline powder | — |
| Assay (by HClO4 titration) | 99.0 - 101.0 % | % |
| Identity (IR method) | Passes test | — |
| Insoluble matter (10% in water) | Max 0.005 % | % |
| pH (5% solution in water; 25°C) | 7.0 - 9.0 | — |
| Loss on drying (150°C to constant weight) | 15.61 - 15.71 % | % |
| Chloride (Cl) | Max 0.0005 % | % |
| Iron (Fe) | Max 0.001 % | % |
| Heavy metal (as Pb) | Max 0.0005 % | % |
| Ammonium (NH4) | Max 0.003 % | % |
| Sulphate (SO4) | Max 0.005 % | % |
| Phosphate (PO4) | Max 0.0005 % | % |
| Calcium (Ca) | Max 0.01 % | % |
Method names in parentheses (for example "GC method") identify the analytical technique applied to that parameter; they are not product grades. Grade of this product: AR/ACS.
Available grades
2 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.
Packaging
| Pack size | SKU |
|---|---|
| 250 g | RA002456-PK-250G |
| 500 g | RA002456-PK-500G |