Talc see specification 1000 g (25180-31000)
Chemical formula: Mg₃Si₄O₁₀(OH)₂
Molar mass: 379.27 g/mol
CAS: 14807-96-6
EINECS: 238-877-9
Specification
| Appearance | almost white powder |
| Loss on ignition | max. 10.0% |
| Soluble substances in water | max. 0.2% |
| Titrable acid or base | passes test |
| Fe (Iron) | max. 0.25% |