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1-(Trimethylsilyl)propyne

CAS 6224-91-5CH3C≡CSi(CH3)3Chemical Synthesis

1-(Trimethylsilyl)propyne (CAS 6224-91-5), molecular formula CH3C≡CSi(CH3)3, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
Trimethyl-1-propynylsilane
1-(Trimethylsilyl)propyne
AlkynesBuilding BlocksChemical SynthesisInternalOrganic Building Blocks
01 /Properties
Molecular weight112.24
Linear formulaCH3C≡CSi(CH3)3
Assay99%
Boiling point99-100 °C(lit.)
Density0.758 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.417(lit.)
Vapour density>1 (vs air)
Storage temperature2-8°C
Application1-(Trimethylsilyl)propyne was used in the synthesis of highly substituted indenes via palladium-catalyzed carboannulation1 and indenones via a rhodium-catalyzed reaction with 2-bromophenylboronic acids2.
02 /Safety & handling
Flammable
Flammable
Harmful / irritant
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 point4 °C / 39.2 °F
Transport (UN / ADR)UN 1993BF 3 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)F,Xi
Risk statements (R)11-36/37/38
Safety statements (S)16-26-36

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

03 /Identifiers & registry
CAS number
6224-91-5
MDL number
MFCD00009271
PubChem substance
24854680
Beilstein registry
1071311
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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.

05 /Frequently asked questions

What is 1-(Trimethylsilyl)propyne?

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1-(Trimethylsilyl)propyne (CAS 6224-91-5), molecular formula CH3C≡CSi(CH3)3, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of 1-(Trimethylsilyl)propyne does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 1-(Trimethylsilyl)propyne in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of 1-(Trimethylsilyl)propyne?

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1-(Trimethylsilyl)propyne has CAS number 6224-91-5 and molecular formula CH3C≡CSi(CH3)3. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for 1-(Trimethylsilyl)propyne?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of 1-(Trimethylsilyl)propyne ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should 1-(Trimethylsilyl)propyne be stored?

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Store 1-(Trimethylsilyl)propyne in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is 1-(Trimethylsilyl)propyne used for?

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1-(Trimethylsilyl)propyne is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for 1-(Trimethylsilyl)propyne?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need 1-(Trimethylsilyl)propyne in a specific grade or volume?

Request a quote