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CAS

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3704-44-7

Octamethyltrisilane, also known as (Me3Si)3SiH or hexamethyldisilane, is an organosilicon compound with the chemical formula C8H24Si3. It is a colorless, volatile, and flammable liquid with a distinctive odor. Octamethyltrisilane is primarily used as a reagent in the synthesis of various organosilicon compounds, particularly in the production of silicones and silanes. It is also employed as a coupling agent in the manufacturing of composite materials, such as fiberglass and carbon fiber-reinforced plastics. Due to its high reactivity and potential health risks, it is essential to handle octamethyltrisilane with proper safety precautions and in a controlled environment.

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  • 3704-44-7 Structure

  • Basic information

    1. Product Name: Octamethyltrisilane
    2. Synonyms: Octamethyltrisilane
    3. CAS NO:3704-44-7
    4. Molecular Formula: C8H24Si3
    5. Molecular Weight: 204.5327
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 3704-44-7.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 168.8°Cat760mmHg
    3. Flash Point: 35.2°C
    4. Appearance: /
    5. Density: 0.763g/cm3
    6. Vapor Pressure: 2.1mmHg at 25°C
    7. Refractive Index: 1.402
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: Octamethyltrisilane(CAS DataBase Reference)
    11. NIST Chemistry Reference: Octamethyltrisilane(3704-44-7)
    12. EPA Substance Registry System: Octamethyltrisilane(3704-44-7)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 3704-44-7(Hazardous Substances Data)

3704-44-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3704-44-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,0 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3704-44:
(6*3)+(5*7)+(4*0)+(3*4)+(2*4)+(1*4)=77
77 % 10 = 7
So 3704-44-7 is a valid CAS Registry Number.
InChI:InChI=1/C8H24Si3/c1-9(2,3)11(7,8)10(4,5)6/h1-8H3

3704-44-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name octamethyl-Trisilane

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:3704-44-7 SDS

3704-44-7Relevant articles and documents

METHOD FOR PREPARING AN ORGANO-FUNCTIONAL SILANE

-

Paragraph 0028, (2014/05/24)

A process includes reacting an organometallic cuprate and a silicon precursor in the presence of a solvent. The process produces a reaction product including an organo-functional silane.

Photolysis of tris(trimethylsilyl)silane: Trapping of sisyl radicals

Mohamed, Mustafa,Brook, Michael A.

, p. 1357 - 1362 (2007/10/03)

The photolysis of tris(trimethylsilyl)silane (TTMSS) was studied in the absence and in the presence of added trapping agents such as alkenes and alcohols. It was found that, unlike the case with pyrolysis, silyl radicals rather than silylenes are produced

Pulse Technique Pyrolysis of some Arylsilanes and Their Thermal Reactions with Aliphatic and Aromatic Alcohols Over Ni-Y-Zeolite

Ramadan, N. A.,Abo-Elenin, O. M.,Badawi, A. M.

, p. 27 - 36 (2007/10/02)

p-Tolyltrimethylsilane and phenyltrimethylsilane were subjected in the gas phase to pyrolysis and thermolysis reactions with alcohols and phenols at different temperatures over Ni Y-zeolite using a pulse catalytic technique.The obtained alkoxy- and phenoxy-trimethylsilanes with other side products were identified by gas liquid chromatographic analysis.The yield in each case varied with the reaction temperature.The highest yield was obtained at 250 deg C.The different pathways of these thermolysis reactions are discussed and the results are assigned.

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