Welcome to GlobalChemMall

ALL CATEGORIES
Categories
Picture of Ethynyltrimethylsilane

Ethynyltrimethylsilane

Get Latest Price >

FOB Price contact us for price

Origin: China

Cas No: 1066-54-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

Vendor:

Payment Terms:

Inquiry now

* Send an Inquiry to us

Add to wishlist

* Name your price
* Start order doesn't mean buying now

  • Products Specification
  • Product Description
  • Quick Details

    CAS No.:
    1066-54-2
    Other Names:
    Trimethylsilylacetylene
    MF:
    C5H10Si
    EINECS No.:
    213-919-9
    Place of Origin:
    Shanghai, China
    Type:
    Pharmaceutical Intermediates
    Purity:
    99.0%min
    Brand Name:
    XINGLU
    Model Number:
    XL-QT122
    Application:
    Pharm Intermediates
    Appearance:
    Colorless Transparent Liquid
    CAS:
    1066-54-2
    Color:
    Colorless
    Boiling point:
    53 °C(lit.)

    Packaging&Delivery

    Packaging Details
    Drum/According to customer's requirement.
    Port
    Main port in China
    Lead Time:
    Quantity(Kilograms)1 - 5051 - 500501 - 5000>5000
    Est. Time(days)51020To be negotiated

    Products Description

    Product name:
     
    High quality Trimethylsilylacetylene CAS 1066-54-2 with best price
     
    CAS:
     
    1066-54-2
     
    Appearance:
     
    Colorless Transparent Liquid
     
    Purity:
     
    99%
     
  • Property

    CAS No.: 1066-54-2 Formula: C5H10Si Molecular Weight: 98.21840

    Description

    Trimethylsilylacetylene is an acetylene molecule protected on one end by the trimethylsilyl group. It is popularly used in alkynylations, e.g. the Sonogashira reaction. After desilylation (e.g. with TBAF), the ethynyl group is introduced. Using a protected alkyne, as opposed to acetylene gas, prevents further (undesired) coupling reactions and also has the benefit of being a liquid.
    This compound is commercially available. It may also be prepared in a manner similar to other silyl compounds: deprotonation of acetylene with a Grignard reagent, followed by reaction with trimethylsilyl chloride.

    Basic Info

    Chemical Name Ethynyltrimethylsilane
    Synonyms

    ethynyl(trimethyl)silane;
    (Trimethylsilyl)Acetylene;
    TriMethylsilylacetylene;

    CAS No. 1066-54-2
    Molecular Formula C5H10Si
    Molecular Weight 98.21840
    PSA 0.00000
    LogP 1.49700

    Properties

    Appearance & Physical State clear colorless liquid
    Density 0.69
    Boiling Point 53ºC
    Melting Point >0ºC
    Flash Point -34ºC
    Refractive Index 1.3873-1.3903
    Water Solubility reacts
    Stability Materials containing similar functional groups can decompose at elevated temperatures. Has not been fully evaluated.
    Storage Condition 2-8ºC
    Vapor Pressure 4.18 psi ( 20 °C)

    Safety Info

    Hazard Class 3
    Safety Statements S16-S26-S36
    HS Code 29310095
    WGK Germany -
    Packing Group II
    RIDADR UN 1993
    Risk Statements R11; R36/37/38
    Hazard Codes F
    Symbol GHS02, GHS07
    Signal Word Danger
    Hazard Declaration H225; H315; H319; H335
    Caution Statement P210; P261; P305 + P351 + P338

    Synthesis Route

    1-Hexyne+Bis(trimethylsilyl)acetylenehex-1-ynyl(trimethyl)silane+acetylene
    Lithium (trimethylsilyl)acetylide1,4-Bis(Trimethylsilyl)-1,3-Butadiyne+Ethynyltrimethylsilane
    (trimethylsilyl)(dimethylsilyl)keteneHexamethylcyclotrisiloxane+octamethylcyclotetrasiloxane

    Precursor

    lithium acetylide-ethylenediamine complex
    (trimethylsilyl)(dimethylsilyl)ketene
    acetylene
    monosodium acetylide

    Downstream Product

    4,5-dimethoxy-2-(2-trimethylsilylethynyl)benzaldehyde
    tert-butyl 4-(2-trimethylsilylethynyl)benzoate
    4,6-dimethyl-2-(2-trimethylsilylethynyl)pyridine-3-carbonitrile
    2-(5-bromopyridin-2-yl)ethynyl-trimethylsilane

Hot tags: ethynyltrimethylsilane, China, manufacturers, suppliers, factory, wholesale, low price, high quality