Mineral Fillers & Pigments Available — Bulk Only

Talc (Talcum)

CAS 14807-96-6 · Formula H2Mg3O12Si4 · MW 379.27 g/mol

A soft magnesium-silicate mineral milled to fine powder for filler, anti-caking, and lubricating duty across industries. it is used as a filler and pigment extender in paints, rubber, and plastics, an additive in ceramics and paper coatings, a carrier and diluent for insecticides, and a bulking and anti-caking agent.

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HS Code
2526.20
At a Glance
Material Family
Mineral Fillers & Pigments
Record Type
Pure compound
Primary Role
Thickening / Rheology · Color / Pigmentation
Functional Roles
TALC
ABRASIVEABSORBENTANTICAKINGBULKINGOPACIFYINGSKIN PROTECTING
Applications & Use Cases
  • Filler: Functional filler and extender in paint, rubber, and plastics.
  • Paper and ceramics: Coating additive and filler in paper and ceramic manufacture.
  • Carrier/diluent: Carrier and diluent for agricultural insecticides.
  • Anti-caking/bulking: Anti-caking and bulking agent in dry formulations.
Physical Properties
Melting Point
1700 to 982 °C
Density
2.7 to 2.8
Solubility
< 1 mg/mL at 21 °C
Vapor Pressure
0 mmHg at 20 °C Essentially
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2526 . 20
Chapter 25
Salt; sulphur; earths and stone; lime and cement
Heading 25.26
Internationally harmonized (WCO HS)
Subheading 2526.20
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
14807-96-6
Molecular Formula
H2Mg3O12Si4
Molecular Weight
379.27 g/mol
IUPAC Name
trimagnesium;1,3,5,7-tetraoxido-2,4,6,8,9,10-hexaoxa-1,3,5,7-tetrasilatricyclo[3.3.1.13,7]decane;dihydroxide
INCI Name
TALC
PubChem CID
InChI Key
QLQXSZZVUVMFHZ-UHFFFAOYSA-L
Synonyms & Trade Names
STERITALC Huashifen Pulvis talci Talc powder INS NO.553(III) INS-553(III) E-553(III) Potstone Sterile Talc Steritalc 2g Steritalc 3g Steritalc 4g Health Smart Baby Wart Remover Patch Natures Choice Baby Sterile Talc Powder Nekvnro Wart Remover Patch Sclerosol Intrapleural Aerosol
Full Description

Talc (CAS 14807-96-6) is a naturally occurring hydrated magnesium silicate mineral supplied as a fine powder. it is used as a filler and pigment extender in paints, rubber, and plastics, an additive in ceramics and paper coatings, a carrier and diluent for insecticides, and a bulking and anti-caking agent.

Frequently Asked Questions

What is talc?

Talc (CAS 14807-96-6) is a naturally occurring hydrated magnesium silicate mineral with the formula H2Mg3O12Si4, supplied as a fine powder. It is the softest mineral on the Mohs scale and is valued industrially for its platy structure, low abrasiveness, and inertness.

What is talc used for?

Industrially, talc is used as a functional filler and pigment extender in paints, rubber, and plastics; as a coating additive and filler in paper and ceramics; as a carrier and diluent for agricultural insecticides; and as an anti-caking and bulking agent in dry formulations.

What is talc made from?

Talc is a naturally mined mineral, hydrated magnesium silicate, not a synthesized product. It is extracted from ore deposits and processed by crushing, grinding, and classifying to specified particle-size grades.

What HS code is used for talc?

Talc ships under HS 2526.20, covering natural steatite and talc, crushed or powdered. Confirm the destination-country tariff classification with your customs broker before import.

What packaging and documentation does RawSource supply talc in?

RawSource supplies talc powder in bulk industrial packaging such as bags, supersacks, and palletized quantities, with CoA and SDS available on request. Request a bulk quote with your target grade, particle size, and volume for current pricing and lead time.

Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.