CASR |
: | ------ |
Molecular Formula |
: | ------ |
Molecular Weight |
: | ------ |
| Specifications | |
|---|---|
| Description: | A white powder or colorless crystals |
| Solubility: | Very soluble in water, very slightly soluble in ethanol |
| Identification A (Phosphate 1): | A light yellow precipitate should form, the color of which should not change by boiling and readily soluble in 10M ammonia and in dilute nitric acid |
| Identification A (Phosphate 2): | White crystalline precipitate should form |
| Identification A (Phosphate 3): | A bright yellow precipitate should form. |
| Identification B (Sodium 1 ): | A dense white precipitate should form |
| Identification B (Sodium 2): | No precipitate should form |
| pH: | 4.1 - 4.5 |
| Insoluble Substances: | NMT 0.2% |
| Chlorides: | NMT 140 ppm |
| Sulphate(SO4): | NMT 0.15% |
| Aluminum, Calcium and Related Elements: | Slightly alkaline solution should not become turbid |
| Arsenic (As): | NMT 8 ppm |
| Heavy metal (Pb): | NMT 20 ppm |
| Water: | 18.0% to 26.5% |
| Assay (anhydrous basis): | 98.0% - 103.0% |
