| Article No. | 01730 |
| Purity | 97.5% |
| Molecular Formula | BaSO4 |
| H.S. Code | 2833.2700 |
| Grade | AR |
| CAS No. | 7727-43-7 |
| Molecular Weight | 233.39 |
| Shelf Life | 60 Months |
Symbol:
| Physical state at 20 °C | Solid | Colour | White powder | ||||
| pH value | 7 | Melting point/ Freezing point [°C] | 1580°C | ||||
| Boiling point [°C] | 1600°C | Density [g/cm3] | 4.5 | ||||
| Solubility in water [% weight] | Insoluble in water | ||||||
| Appearance | Fine, white, odorless, tasteless, bulky powder, free from grittiness | Assay (as BaSO4) | 97.5 -100.5% |
| Solubility | Practically insoluble in water, in organic solvents, and in solutions of acids and of alkalies | Identifications | To comply IP, BP, USP tests |
| Acidity or alkalinity | To comply IP, BP tests | pH (10% w/w solution) | 3.5 –10.0 |
| Acid soluble matter | Max 0.3% | Oxidisable sulfur compounds | To comply BP test |
| Soluble barium salts | Max 0.001% (to comply IP test) | Phosphate (PO4) | To comply IP tests |
| Heavy metal (as Pb) | Max 0.001% | Sulphide (S) | Passes test |
| Arsenic (As) | Max 0.0002% | Loss on ignition (at 600 ± 50°C) | Max 2.0 % |
| Bulkiness | To comply IP tests |
Safety Statement: 22-24/25
EN 