FRENCH CHALK POWDER EXTRAPURE
| Product Code | B-01255 | Grade | EXTRAPURE |
|---|---|---|---|
| Purity | 99 % | Brand | Bio-Chem |
| Molecular Formula | 3MgO.4SiO2.H2O | CAS No. | 14807-96-6 |
| Molecular Weight | 379.27 | H.S Code | 2839.90900 |
| Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Color | White Powder |
|---|---|---|---|
| Odour | Odorless | Melting point/ Freezing point [°C] | 1000 °C |
| Density [g/cm3] | 2.7 | Solubility in water [% weight] | Insoluble in water |
Packaging
Specification
| Appearance | Fine white powder |
| Identification ‘A’, ‘B’ & ‘C’ | Passes test |
| Acidity or alkalinity | Passes test |
| Iron (Fe) | Max 0.001% |
| Water soluble matter | Max 0.2% |
| Acid soluble matter | Max 2.0% |
| Carbonate | Passes test |
| Chloride (Cl) | Max 0.025% |
| Organic compounds | Passes test |
| Loss on dryig (at 180°C; 1 hrs) | Max 1.0% |
Safety Information and Hazard Symbols
Symbol: GHS02,GHS07
Signal Word: Warning
Hazardous Statement: H332