Talc Powder#CAS14807-96-6
High Purity & Whiteness
High purity natural mineral powder with high whiteness, low impurity content, presenting pure and stable color.
Unique Layered Structure
Special layered crystal brings excellent lubricity and smooth touch, with non-abrasive property.
Excellent Chemical Stability
Inert chemical property, resistant to acid and alkali, insoluble in water and most organic solvents.
Good Thermal & Insulating Property
High melting point with outstanding heat resistance and flame retardant performance for wide industrial application.
Talc powder is a natural odorless hydrous magnesium silicate mineral with layered structure. It is white or off-white fine powder with greasy touch, chemically inert and insoluble in most solvents. Featuring good lubricity, insulation and adsorption, it is processed into various mesh grades for widespread industrial use as a high-performance mineral filler.
Talc Powder Chemical Properties
Parameter | Standard Value |
CAS Number | 14807-96-6 |
Density | 2.58-2.83 g/cm³ (20°C) |
Melting Point | ≥1200°C |
Mohs Hardness | 1 |
pH Value | 7.0-9.0 (Aqueous Suspension) |
Whiteness | 90%-98% |
SiO₂ Content | 58%-62% |
MgO Content | 30%-32% |
Loss on Drying | ≤0.5% |
Loss on Ignition | ≤9.0% |
Water-Soluble Substances | ≤0.2% |
Particle Size | 325/500/800/1250/2000 Mesh (Customized) |
Appearance | White or Off-white Fine Powder |
Odor | Odorless |
Stability | Stable at normal temperature, incompatible with strong oxidants and strong acids. |
Safety Information
Parameter | Standard Value |
WGK Germany | 1 |
RTECS Number | WW2710000 |
HS Code | 2526200000 |
Hazard Classification | Non-hazardous Substance |
Exposure Limit | TWA 2 mg/m³ |
TSCA | Yes |
Main Application Fields
Talc powder has broad industrial applicability. It is commonly used as functional filler for plastics and rubber to improve rigidity, abrasion resistance and processing performance. It also serves as an excellent additive for coatings and papermaking to optimize surface smoothness and weather resistance. Besides, it is widely applied in cosmetics, ceramics, building materials, daily chemicals and pharmaceutical excipients.
