Physical Properties
| Physical state at 20 °C | Solid | Odour | Odorless |
| Melting point/ Freezing point [°C] | 550 °C | Solubility in water [% weight] | soluble in water |
| Colour | Almost white powder | pH value | 6.5 – 8.5 |
| Density [g/cm3] | 1.59 |
Packings
25kg
500g
Safety Information and Hazard Symbols
Safety Statement: 22-24/25
Specifications
| Appearance | Off white to cream colored powder |
| Assay (as Na; HClO4 titration, on anhydrous basis) | 6.5 – 9.5% |
| Identity | Passes test |
| pH (1% solution) | 6.5 – 8.0 |
| Viscosity (1% solution; 20°C on dried basis) | 250 – 350 cps |
| Appearance of solution | Passes test |
| Insoluble matter in water | Passes test |
| Loss on drying (at 105°C) | Max 10% |
| Sulphated Ash (as SO4; on dried basis) | 20 – 29.3% |
| Chloride (Cl) | Max 0.25% |
| Sodium glycolate | Max 0.4% |
| Heavy metal (as Pb) | Max 0.002% |
| Arsenic (As) | Max 0.0003% |
| Iron (Fe) | Max 0.02% |
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