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Trimethyl(methylthio)silane

CAS 3908-55-2(CH3)3SiSCH3Chemical Synthesis

Trimethyl(methylthio)silane (CAS: 3908-55-2) is an organosilicon compound with the linear formula (CH3)3SiSCH3 and a molecular weight of 120.29 g/mol. This flammable liquid is primarily utilised as a reagent in chemical synthesis, particularly within organometallic chemistry and organosilicon research. Its specific properties make it valuable for introducing trimethylsilyl and methylthio groups in organic molecules.

IUPAC
(Methylthio)trimethylsilane,Methyl trimethylsilyl sulfide,Trimethylsilyl methyl sulfide
Synonyms
(Methylthio)trimethylsilaneMethyl trimethylsilyl sulfideTrimethylsilyl methyl sulfide
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Trimethyl(methylthio)silane ((CH3)3SiSCH3) — chemical structure, CAS 3908-55-2; Chemistry, fine chemical supplied by Tech Serve Solutions
Chemical SynthesisOrganometallic ReagentsOrganosiliconOthers
01 /Applications

Chemical Synthesis Reagent

Trimethyl(methylthio)silane serves as a versatile reagent in organic synthesis. It is employed for the silylation of various functional groups and as a source of the methylthio moiety.

Organometallic Chemistry

Within organometallic chemistry, this compound can be used in reactions involving the formation of new carbon-metal bonds or the modification of existing organometallic complexes.

Organosilicon Research

As an organosilicon compound, it finds application in research focused on silicon-based chemistry, exploring novel silicon-containing materials and reactions.

02 /Properties
Molecular weight120.29
Linear formula(CH3)3SiSCH3
Assay97%
Gradepurum
Boiling point110-114 °C(lit.)
Density0.848 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.451(lit.)
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Danger

Hazard statements

  • H225Highly flammable liquid and vapour
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point22 °C / 71.6 °F
Transport (UN / ADR)UN 1993BF 3 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xi
Risk statements (R)10-36/37/38
Safety statements (S)26-36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
3908-55-2
MDL number
MFCD00042843
PubChem substance
24889716
Beilstein registry
2035839
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Trimethyl(methylthio)silane used for?

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Trimethyl(methylthio)silane is primarily used as a reagent in chemical synthesis, particularly in organometallic chemistry and organosilicon research for introducing trimethylsilyl and methylthio groups.

What is the CAS number and formula for Trimethyl(methylthio)silane?

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The CAS number for Trimethyl(methylthio)silane is 3908-55-2 and its linear formula is (CH3)3SiSCH3.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Trimethyl(methylthio)silane with a minimum assay of 97% in purum grade. We do not represent this product as USP, BP, or EP grade.

What are the primary safety hazards associated with Trimethyl(methylthio)silane?

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Trimethyl(methylthio)silane is a highly flammable liquid (H225) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, is essential during handling.

How is Trimethyl(methylthio)silane packed, shipped, and exported?

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Trimethyl(methylthio)silane is supplied in appropriate packaging for hazardous materials and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations for flammable liquids.

How can I request a sample or quote for Trimethyl(methylthio)silane?

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To request a sample or a quotation for Trimethyl(methylthio)silane, please contact our sales department through the website or by phone.

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