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CAS

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7652-06-4

(Chloroethynyl)(trimethyl)silane, also known as chlorotrimethylsilylacetylene, is an organosilicon compound with the chemical formula C5H9ClSi. It is a colorless liquid that is sensitive to air and moisture, and it is commonly used as a protecting group in organic synthesis, particularly for the preparation of various functionalized acetylenes. The compound is characterized by its reactivity, where the chloroethynyl group can be easily substituted with other functional groups, making it a valuable intermediate in the synthesis of complex organic molecules. It is also used in the formation of silyl ethers and as a coupling agent in the synthesis of various organosilicon compounds. Due to its reactivity and sensitivity, it is typically handled under an inert atmosphere and stored away from light and heat.

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  • 7652-06-4 Structure

  • Basic information

    1. Product Name: (chloroethynyl)(trimethyl)silane
    2. Synonyms: Ethyne, 1-chloro-2-trimethylsilyl-
    3. CAS NO:7652-06-4
    4. Molecular Formula: C5H9ClSi
    5. Molecular Weight: 132.6635
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 7652-06-4.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 108.1°C at 760 mmHg
    3. Flash Point: 14.9°C
    4. Appearance: N/A
    5. Density: 0.937g/cm3
    6. Vapor Pressure: 30.7mmHg at 25°C
    7. Refractive Index: 1.433
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: (chloroethynyl)(trimethyl)silane(CAS DataBase Reference)
    11. NIST Chemistry Reference: (chloroethynyl)(trimethyl)silane(7652-06-4)
    12. EPA Substance Registry System: (chloroethynyl)(trimethyl)silane(7652-06-4)

  • 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: 7652-06-4(Hazardous Substances Data)

7652-06-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7652-06-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,5 and 2 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7652-06:
(6*7)+(5*6)+(4*5)+(3*2)+(2*0)+(1*6)=104
104 % 10 = 4
So 7652-06-4 is a valid CAS Registry Number.

7652-06-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-chloroethynyl(trimethyl)silane

1.2 Other means of identification

Product number -
Other names Ethyne,1-chloro-2-trimethylsilyl

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:7652-06-4 SDS

7652-06-4Relevant articles and documents

Synthesis of the nucleotide analogue: (R,S)-9-[1-(2-hydroxyethylthio)-2- phosphonylethyl] adenine

Lazrek,Khaider,Rochdi,Barascut,Imbach

, p. 811 - 817 (1994)

The acyclic nucleotide analogue (R,S)-9-[1-(2-hydroxyethylthio)-2- phosphonylethyl] adenine [HFTPEA, 4] was prepared by coupling the adenine potassium salt with diethyl ethynylphosphonate followed by condensation of the product with 2-mercaptoethanol.

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