BORIC ACID (FOR MOLECULAR BIOLOGY)
Orthoboric acid
| Product Code | B-00550 | Molecular Formula | H3BO3 |
|---|---|---|---|
| Purity | 99.8% | CAS No | 10043-35-3 |
| BRAND | Bio-Chem | Molecular Weight | 61.83 |
| H.S.Code | 2810.00200 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White powder |
|---|---|---|---|
| Melting point/ Freezing point [°C] | 160°C | pH value | 3.8 - 4.8 |
| Boiling point [°C] | 300 °C | Density [g/cm3] | 1.44 |
| Odour | Odorless | Vapour density | 2.4 |
| Vapour pressure [20°C] | 3.5 hPa at 20 °C | Solubility in water [% weight] | Soluble in water |
Packaging
Specification
| Appearance | White powder |
| Assay (alkalimetric; on anhydrous basis) | 99.5-100.5% |
| Identification | To comply IP, BP, USP tests |
| Solubility | Soluble in water and in ethanol (96 per cent), freely soluble in boiling water and in glycerol (85 per cent) |
| Appearance of solution | To comply IP, BP, USP |
| Substance insoluble in alcohol | To comply IP, BP, USP test |
| pH (3.3% solution in water) | 3.8 – 4.8 |
| Sulphate (SO4) | Max 0.045% |
| Heavy metal (as Pb) | max 0.0015% |
| Arsenic (As) | Max 0.001% |
| Organic impurities | To comply BP test |
| Loss on drying (5hrs; over silica gel) | Max 0.5% |
Safety Information and Hazard Symbols
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H360
Precaution Statement: P201-P308 + P313