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40318 Magnesium silicate monohydrate (Talc)

CAS Number
14807-96-6
Synonyms

Stock No. Size Price ($) Quantity Availability
40318-22 100g 19.00
40318-36 500g 40.60
40318-A4 2.5kg 122.00
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Magnesium silicate monohydrate (Talc)

MDL
MFCD00792903
EINECS
238-877-9

Chemical Properties

Formula
3MgO•4SiO2•H2O
Formula Weight
379.28 (361.27anhy)
Form
Powder
Density
2.7
Storage & Sensitivity
Ambient temperatures.
Solubility
Insoluble in water, cold acids, alkalies.

Applications

Magnesium silicate is used as a lubricant, filler, electric and heat insulator and in clarifying liquids by filtration. Talc is used in many industries such as paper making, plastic, paints and coatings, rubber, food, electric cable, pharmaceuticals, cosmetics and ceramics. It is a widely used as baby powder (aka talcum). It is also useful for the treatment of complicated spontaneous pneumothorax.

Notes

Reactive with oxidizing agents. Absorbs moisture and oils.

Literature References

Gadikota, G.; Natali, C.; Boschi, C.; Park, A. A. Morphological changes during enhanced carbonation of asbestos containing material and its comparison to magnesium silicate minerals. J. Hazard. Mater. 2014, 264, 42-52.

Chiang, W. S.; Ferraro, G.; Fratini, E.; Ridi, F.; Yeh, Y. Q.; Jeng, U. S.; Chen, S. H.; Baglioni, P. Multiscale structure of calcium- and magnesium-silicate-hydrate gels. J. Mater. Chem. A 2014, 2 (32), 12991-12998.

GHS Hazard and Precautionary Statements

Hazard Statements: H350

May cause cancer.

Precautionary Statements: P201-P202-P281-P308+P313-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Use personal protective equipment as required. IF exposed or concerned: Get medical advice/attention. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,9037
Harmonized Tariff Code
2839.90
TSCA
Yes
RTECS
WW2710000

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