
Talc NEW
Price | Get Latest Price | |
Package | 1kg | 25kg |
Min. Order: | 1kg |
Supply Ability: | 1000kg |
Update Time: | 2025-07-28 |
Product Details
Product Name: Talc | CAS No.: 14807-96-6 |
EC-No.: 238-877-9 | Min. Order: 1kg |
Purity: 98.5% | Supply Ability: 1000kg |
Release date: 2025/07/28 |
Talc is a naturally occurring hydrous magnesium silicate mineral with the chemical formula Mg?Si?O??(OH)?. It's the softest known mineral (rated 1 on the Mohs hardness scale).
Here's a concise overview:
Key Properties:
Soft & Soapy Feel: Easily scratched by a fingernail; feels greasy/slippery.
Platy Structure: Forms microscopic platelets that slide over each other, providing lubricity.
Chemically Inert: Resistant to acids, alkalis, and most chemicals.
Hydrophobic: Repels water.
Good Absorbent: Can hold oils and moisture.
Thermally Stable: Withstands high temperatures.
Low Electrical Conductivity.
Formation: Forms via the metamorphism of magnesium-rich rocks (like dolomite or serpentinite) in the presence of water and CO?.
Major Uses:
Cosmetics & Personal Care: Filler, absorbent, and lubricant in baby powder, face powder, blush, deodorant (reducing friction).
Plastics & Rubber: Filler/reinforcing agent improving stiffness, heat resistance, and dimensional stability.
Paints & Coatings: Extender pigment improving smoothness, sheen control, and suspension.
Ceramics: Key ingredient in pottery, tiles, and insulators (improves green strength and thermal properties).
Paper: Filler and coating agent improving smoothness, opacity, and printability.
Pharmaceuticals: Inert filler/diluent in pills and tablets.
Food: Anti-caking agent (e.g., in rice, powdered foods) and release agent (e.g., in chewing gum).
Industrial Applications: Lubricant (especially high-temp), dusting agent (e.g., for rubber gloves), roofing material filler.
Safety & Controversy:
Asbestos Concern: Talc deposits can sometimes be naturally contaminated with asbestos (a known carcinogen). Strict purification ("asbestos-free talc") is critical for consumer products.
Ovarian Cancer Risk (Research Ongoing): Studies investigating potential links between long-term genital use of talcum powder and ovarian cancer have yielded mixed results; the scientific consensus is not definitive, but some manufacturers face lawsuits.
Lung Irritation: Inhalation of talc dust (primarily an occupational hazard in mining/milling) can cause respiratory problems. Cosmetic-grade talc is milled to minimize respirable particles.
Regulation: "Cosmetic-grade" talc requires rigorous purification and testing to ensure it is asbestos-free.
In short: Talc is a soft, slippery, inert mineral widely used as a lubricant, filler, absorbent, and anti-caking agent across countless industries (cosmetics, plastics, paper, paint, ceramics, food, pharma). Its safety depends critically on ensuring it is free from asbestos contamination.
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- Since: 2006-04-03
- Address: Room 2015, No.2 Building Kaixin Mansion, No.107 Jinqiao Ave, Wuhan, China
+86-13986145403
info@fortunachem.com