Boric Acid 99.5% AR
Orthoboric acid
Product Code. |
00453 |
Grade |
AR |
Purity |
99.5% |
CAS No. |
10043-35-3 |
Molecular Formula |
H3BO3 |
Molecular Weight |
61.83 |
H.S.Code |
2810.00200 |
Shelf Life |
60 Months |
Physical Properties
| 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 |
| Vapour pressure [20°C] |
3.5 hPa at 20 °C |
Density [g/cm3] |
1.44 |
Solubility in water [% weight] |
Soluble in water |
Packaging
Specification
| Appearance | White powder/crystals/crystalline powder |
| Assay | Min 99.5% |
| Insoluble matter in methanol | Max 0.005% |
| Non volatile in methanol | Max 0.05% |
| Chloride (Cl) | Max 0.001% |
| Phosphate (PO4) | Max 0.001% |
| Sulphate (SO4) | Max 0.01% |
| Calcium (Ca) | Max 0.005% |
| Iron (Fe) | Max 0.001% |
| Heavy metal (as Pb) | Max 0.001% |
| Arsenic (As) | Max 0.0001% |
Safety Information and Hazard Symbols
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H360
Precaution Statement: P201-P308 + P313