Chemical Product Library / Reference

Talc (hydrous magnesium silicate)

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Talc (hydrous magnesium silicate)

Chemical identity

English nameTalc (hydrous magnesium silicate)
English synonymsTalc powder;Hydrous magnesium silicate;Soapstone
Chinese name滑石粉
Chinese synonyms水合硅酸镁;滑石;工业滑石粉
Chemical categoryAdditives
CAS No.14807-96-6
EINECS No.238-877-9
Molecular formulaMg3Si4O10(OH)2
Molecular weight379.27
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Whiteness ≥90.0%; moisture ≤0.5%; loss on ignition ≤6.0%; residue on 325 mesh according to grade

Performance characteristics

White powder, soft, lubricious, chemically inert

Application scenarios

Plastics filler, papermaking, coatings, cosmetics, pharmaceuticals, ceramics