| Properties | Specification | ||
| Molecular formula | Na6P6O18 | Phosphorus Pentoxide (P2O5) | 68.3% Min |
| Molar mass | 611.7704 | Non-living Phosphorous (P2O6) | 7.5% Min |
| Appearance | White crystals | Water Insoluble | 0.04% Max |
| Odor | odorless | Iron (Fe) | 0.03% Max |
| Density | 2.484 g/cm3 | pH of 1% solution | 5.8~7.0 |
| Melting point | 628 °C, 901 K, 1162 °F | Appearance | White Powder or crystal |
| Boiling point | 1500 °C, 1773 K, 2732 °F | ||
| Properties | Specification | ||||
| Molecular formula | Na3PO4 | (Anhydrous) | (Crystal) | ||
| Molar mass | 163.94 | PH OF 1% Solution Solubility Of 10% Solution | 11.5 - 12.8 % Min. Clear & colorless. | PH of 5% Solution | 11.5 - 12.8 |
| Density | 1.620 g/cm3 (dodecahydrate) | Assay | 98.5 % Min. | Solubility of 10% solution | Clear & Colourless |
| Melting point | 73.5 °C decomp. (dodecahydrate) | Phosphate as P2O5 | 42.5 % Max | Assay % Min | 99.5 |
| Solubility in water | 1.5 g/100 ml (0 °C) 8.8 g/100 ml (25 °C) | Iron Fe | 0.002 % Max | Phosphate as P2O5 % Min Iron (Fe) % Max | 18.0 0.002 |
| Basicity (pKb) | 2.23 | Heavy Metal as (Pb) | 0.002 % Max | Carbonate % Max Heavy Metal as( Pb) % Max | 0.09 0.002 |
| Arsenic (As) | 0.005 % Max | Arsenic(As) % Max | 0.005 | ||
| Free Alkalinity | 3.5 % Max | Free Alkalinity % Max | 3.5 | ||
| L.O.D at 110 C | 1.0 | L O D at 110°C % Max | 57 | ||
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Yogita Kadam
Shreenivas Chemicals Pvt. Ltd.
Mulund West, Mumbai,
Maharashtra,
India