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Talcum

Talcum / CAS : 13376-74-4

Appearance Talclike material of varying composition, but generally grayish-white, fine, odorless power. It is noncombustible and insoluble in water. UN 0.0
HS 25261020 DG Class 0.0
Synonyms Talc; Talcum Venetum; Steatite; Soapstone; Mahnesium Silicate; Vantalc 6H
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Properties

Summary

Formula
H2Mg3O12Si4
Molecular Mass
379.26600
Exact Mass
377.81700
PSA
197.00000
Logp
-2.89430
IUPAC
dioxosilane;oxomagnesium;hydrate
SMILES
O.O=[Mg].O=[Mg].O=[Mg].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O

Attribute classification

Matter Classification
inorganic
Category
Inorganic Chemicals > Silicides And Silicates

Chemical and Physical Properties

Melting Point
800ºC
Density
2.7 g/cm3
Appearance
Talclike material of varying composition, but generally grayish-white, fine, odorless power. It is noncombustible and insoluble in water.
Acidity and Basicity
neutral

Export information

HS Code
25261020
Export Rebate
0%
UN No.
0.0
DG-Class
0.0
Risk Code
R20; R37
Safety Label
Xn,T

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