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BORIC ACID POWDER Extra Pure (Confirms to IP, BP, USP) Orthoboric acid
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2-3 Days
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2-3 Days
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Warranty 1 year
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Free 30-Day returns
Specification
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General
Description
| Article No. | RC0002 | Grade | Extra Pure |
| Purity | 99.5% | CAS No. | 10043-35-3 |
| Molecular Formula | H3BO3 | Molecular Weight | 61.83 |
| H.S. Code | 2810.0020 | 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 | ||||||
Specifications
| Appearance | White powder | Assay (alkalimetric; on dried 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: H360FD
Precaution Statement: P201-P202-P280-P308+P313-P405-P501
Signal Word: Danger
Hazardous Statement: H360FD
Precaution Statement: P201-P202-P280-P308+P313-P405-P501
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