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TALC

TALC
TALC structure
CAS No.
13376-74-4
Chemical Name:
TALC
Synonyms
TALC;Talk;BMR2;PPH1;BMPR3;BRK-3;TALCUM;STEATITE;FLJ41585;FLJ76945
CBNumber:
CB6674696
Molecular Formula:
H2Mg3O12Si4
Formula Weight:
379.27
MOL File:
13376-74-4.mol

TALC Properties

Melting point:
800 °C
Density 
2,7 g/cm3
refractive index 
1.54-1.59
storage temp. 
-70°C
SAFETY
  • Risk and Safety Statements
Hazard Codes  Xn,T
Risk Statements  20-37-61
Safety Statements  36-45-53
WGK Germany  -
RTECS  WW2710000
TSCA  Yes

TALC Chemical Properties,Uses,Production

Chemical Properties

White, apple-green, gray powder; pearly or greasy luster, greasy feel. Mohs hardness 1–1.5 (may be harder when impure), high resistance to acids, alkalies, and heat.

Uses

Chiefly as a ceramic insulator in electronic devices.

Definition

A natural hydrous magnesium silicate. Compact, massive varieties may be called steatite in distinction from the foliated varieties, which are called talc. Soapstone is an impure variety of steatite.

Definition

An extremely soft greenish or white mineral, a hydrous silicate of magnesium. Purified it is sold as talcum powder, and it is used as a lubricant, a filler (in paint and rubber) and an ingredient of some ceramics.

Definition

A white or pale-green mineralform of magnesium silicate,Mg3Si4O10(OH)2, crystallizing in thetriclinic system. It forms as a secondarymineral by alteration of magnesium-rich olivines, pyroxenes, andamphiboles of ultrabasic rocks. It issoaplike to touch and very soft, havinga hardness of 1 on the Mohs’scale. Massive fine-grained talc isknown as soapstone or steatite. Talcin powdered form is used as a lubricant,as a filler in paper, paints, andrubber, and in cosmetics, ceramics,and French chalk. It occurs chie?y inthe USA, Russia, France, and Japan.

Hazard

Toxic by inhalation. Effects pulmonary function and causes pulmonary fibrosis. Questionable carcinogen.

Industrial uses

Steatites are noted for their excellent electricalproperties and low cost. They are easily formedand fired at relatively low temperatures. However,compositions containing little or no clayor plastic material present fabricating problemsbecause of a narrow firing range. Steatite partsare vacuum-tight, can be readily bonded toother materials, and can be glazed or ground tohigh-quality surfaces.

TALC Preparation Products And Raw materials

Raw materials

Preparation Products


TALC Suppliers

Global( 50)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Hubei Jusheng Technology Co.,Ltd.
86-18871470254
027-59599243 linda@hubeijusheng.com CHINA 28235 58
HENAN BON INDUSTRIAL CO.,LTD
0371-55170695
info@hnbon.com CHINA 20537 58
Meryer (Shanghai) Chemical Technology Co., Ltd. 400-660-8290 21-61259100-
86-21-61259102 sh@meryer.com China 40268 62
Secco work (Beijing) chemical technology co., LTD 010-69755668
010-69755668 343367102@QQ.COM China 3531 54
VWR(Shanghai) Co., Ltd 400-821-8006
+86-21-58558801 info_china@vwr.com China 3046 75

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