BORIC ACID
BORIC ACID
| Article No | 510908 |
| Grade | AR grade |
| Purity | 99.85% |
| CAS No | 0043-35-3 |
| Molecular Formula | H₃BO₃ |
| Molecular Weight | 61.8 |
| H.S. Code | 28100020 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20 °C | Solid |
| Colour | White powder |
| Odour | Odorless |
| pH value | 3.8 – 4.8 |
| Boiling point (°C) | 300 °C |
| Density (g/cm³) | 1.44 |
| Vapour pressure at 20 °C | 3.5 hPa |
| Solubility in water | Soluble in water |
| Melting/Freezing point (°C) | 160 °C |
Specifications
| Appearance | White powder / Crystals / Crystalline powder |
| Assay | 99 – 100.5% |
| pH | 3.8 – 4.8 |
| Solubility | Soluble in water and in ethanol (96%), freely soluble in boiling water and in glycerol (85%) |
| Sulfates | Max 450 ppm |
| Identification | Gives reaction of borates |
| Organic matter | Does not darken on progressive heating to dull redness |
| Packings | 500 gm |
