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75-79-6 - Methyltrichlorosilane, 97% - Trichloromethylsilane - B23107 - Alfa Aesar

B23107 Methyltrichlorosilane, 97%

CAS Number
75-79-6
Synonyms
Trichloromethylsilane

Size Price ($) Quantity Availability
100g 26.27
500g 42.23
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Methyltrichlorosilane, 97%

MDL
MFCD00000481
EINECS
200-902-6

Chemical Properties

Formula
CH3Cl3Si
Formula Weight
149.48
Melting point
-78°
Boiling Point
64-66°
Flash Point
8°(46°F)
Density
1.270
Refractive Index
1.4115
Sensitivity
Moisture Sensitive
Solubility
Reacts with water.

Applications

Methyltrichlorosilane is used in production of methyl silicone resins, its vapor reacts with water on surfaces to give a thin layer of methylpolysiloxane which make it a water-repellent film. A combination of methyltrichlorosilane and sodium iodide can be used to cleave carbon-oxygen bonds such as methyl ethers. It is used as a precursor for forming various cross-linked siloxane polymers. Trichloromethylsilane is the starting material for the production of pure silicon for manufacture of semiconductors and optical fibers.

Notes

Moisture sensitive. Store away from oxidizing agents, water/ moisture.

Literature References

Ching Yi Tsaia; Seshu B. Desua and Chien C. Chiu. Kinetic study of silicon carbide deposited from methyltrichlorosilane precursor. Journal of Materials Research. 1994, 9, (1), 104-111.

Th. Kunstmann and S. Vep?ek. Heteroepitaxy of β-SiC from methyltrichlorosilane and methyltribromosilane on Si(100) without a carbon buffer layer. Appl. Phys. Lett. 1995, 67 (21), 3126.

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H331-H302-H312-H335-H314-H318

Highly flammable liquid and vapour. Toxic if inhaled. Harmful if swallowed. Harmful in contact with skin. May cause respiratory irritation. Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements: P210-P260-P261-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1361381
Hazard Class
3
Packing Group
II
Harmonized Tariff Code
2931.90
TSCA
Yes
RTECS
VV4550000

Recommended

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    Diphenyldichlorosilane, 97%
  • A15732

    n-Octadecyltrichlorosilane, 95%, cont. 5-10% branched isomers
  • B23119

    Dichloromethylvinylsilane, 97%

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