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M85301

Sigma-Aldrich

Methyltrichlorosilane

99%

Synonym(s):

MTS, Trichloro(methyl)silane

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About This Item

Linear Formula:
CH3SiCl3
CAS Number:
75-79-6
Molecular Weight:
149.48
Beilstein:
1361381
EC Number:
200-902-6
MDL number:
MFCD00000481
UNSPSC Code:
12352300
PubChem Substance ID:
24897271
NACRES:
NA.22

vapor density

5.2 (vs air)

Quality Level

100

vapor pressure

150 mmHg ( 25 °C)

Assay

99%

form

liquid

autoignition temp.

>760 °F

expl. lim.

11.9 %

refractive index

n20/D 1.411 (lit.)

bp

66 °C (lit.)

density

1.273 g/mL at 25 °C (lit.)

SMILES string

C[Si](Cl)(Cl)Cl

InChI

1S/CH3Cl3Si/c1-5(2,3)4/h1H3

InChI key

JLUFWMXJHAVVNN-UHFFFAOYSA-N

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Application

Methyltrichlorosilane (MTS) can be used:
  • As a reagent for the surface-functionalization of fabrics and mesoporous materials to increase their hydrophobicity.
  • As a source of silicon to synthesize silica doped carbon nanotubes.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

46.4 °F - closed cup

Flash Point(C)

8 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sigma-Aldrich

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Chlorotrimethylsilane purified by redistillation, ≥99%

Sigma-Aldrich

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