Talc

Synonym(s)

: Talc, talc powder, magnesium silicate, aqueous, dioxosilane; oxomagnesium; hydrate

Mol. Formula

: H2Mg3O12Si4

EC / List no.

: 238-877-9

CAS no.

: 14807-96-6

Molecular weight

: 379,27

Talc is a hydrated magnesium silicate and is a very soft mineral. Talcum powder is originally white and is a metamorphic mineral in terms of formation.

Application

» It is used in ceramics, paint production, roof coating, pesticide production, rubber and paper industry, cosmetics and pharmacology, asphalt filler production, animal feed and fertilizer production.
» This substance is used in the following products: laboratory chemicals, polymers, plant protection products and fillers, putties, plasters, modeling clay.
» This substance has an industrial use that results in the production of another substance (use of intermediates).
» Other releases of this substance into the environment are likely to result from: indoor use (eg machine wash fluids/detergents, automotive care products, paints and coatings or adhesives, fragrances and air fresheners).

Product Specifications

Physical and Chemical Properties
» Appears as a white to off-white, very fine crystalline powder.
» It is odorless and tasteless.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	1500
Density	g/ cm³	2.7	20 °C
Solubility	µg/L	100	25 °C, soluble with water
Vapor pressure	Pa	0	25 °C
LogP		-9.4	25 °C
Refractive index		1.58