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374423

Sigma-Aldrich

3-Trimethylsiloxy-1-propyne

98%

Synonym(s):

(Propargyloxy)trimethylsilane, O-(Trimethylsilyl)propargyl alcohol, Trimethyl(2-propynyloxy)silane, Trimethyl(propargyloxy)silane

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About This Item

Linear Formula:
HC≡CCH2OSi(CH3)3
CAS Number:
Molecular Weight:
128.24
Beilstein:
2036793
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

98%

refractive index

n20/D 1.408 (lit.)

bp

52 °C/85 mmHg (lit.)

density

0.835 g/mL at 25 °C (lit.)

SMILES string

C[Si](C)(C)OCC#C

InChI

1S/C6H12OSi/c1-5-6-7-8(2,3)4/h1H,6H2,2-4H3

InChI key

ZZRPJWCNCLSOLR-UHFFFAOYSA-N

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General description

3-Trimethylsiloxy-1-propyne is an organosilicon compound. It is reported as silylated acetylenic monomer and its polymerizability has been studied in the presence of combined catalyst iron(III) propanoate-triethylaluminium. N2 laser light-induced aerosol particle formation from 3-trimethylsiloxy-1-propyne (trimethyl(2-propynyloxy)silane) and acrolein has been reported. The infrared laser-photosensitized (SF6) decomposition of trimethyl(2-propynyloxy)silane is reported to afford a multitude of unsaturated hydrocarbons and a solid polydimethylsiloxane phase.

Application

3-Trimethylsiloxy-1-propyne (Trimethyl(2-propynyloxy)silane) may be used in the synthesis of polytrialkylsiloxy-substituted macromolecules. It may be utilized in the preparation of functionalized 4-enynes and 1,4-dienes.

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

JAN Code

374423-BULK:
374423-VAR:
374423-10G:
374423-1G:


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Journal of Organometallic Chemistry, 309, 1-1 (1986)
UV laser-induced gas-phase polymerization of trimethyl (propynyloxy) silane.
Pola J and Morita H.
Tetrahedron, 38(44), 7809-7812 (1997)
Laser-induced aerosol particle formation from a gaseous mixture of trimethyl (2-propynyloxy) silane and acrolein.
Morita H, et al.
Journal of Photochemistry and Photobiology A: Chemistry, 116(2), 91-95 (1998)
Journal of Organometallic Chemistry, 420, 163-163 (1991)
IR laser photosensitized decomposition of trimethyl (2-propynyloxy) silane for chemical vapour deposition of polydimethylsiloxane phases.
Urbanova M, et al.
Journal of Analytical and Applied Pyrolysis, 44(2), 219-226 (1992)

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