Article No. | Grade | Purity | Cas no. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
B0045805000 | LR | 99.5% | 10043-35-3 | H3BO3 | 61.83 | 2810.0020 |
60 Months |
Physical state at 20 °C
Solid
Colour
White powder
Odour
Odorless
pH value
3.8 - 4.8
Melting Point/ Freezing point [°C]
160 °C
Boiling point [°C]
300 °C
Density [g/cm3]
1.44
Solubility in water [% weight]
Soluble in water
Vapour pressure [20°C]
3.5 hPa at 20 °C
Appearance: |
White powder |
Sulphate (SO4): |
Max 0.045% |
Heavy metal (as Pb): |
max 0.0015% |
Arsenic (As): |
Max 0.001% |
Solubility: |
Soluble in water and in ethanol (96 per cent), freely soluble in boiling water and in glycerol (85 per cent) |
Identifications: |
To comply IP, BP, USP tests |
Appearance of solution: |
To comply IP, BP, USP |
pH (3.3% solution in water): |
3.8 - 4.8 |
Assay (alkalimetric; on anhydrous basis): |
99.5-100.5% |
Substance insoluble in alcohol: |
To comply IP, BP, USP test |
Organic impurities : |
To comply BP test |
Loss on drying (5hrs; over silica gel): |
Max 0.5% |