Tech Serve Solutions

Ethynyltributylstannane

CAS 994-89-8HC≡CSn(CH2CH2CH2CH3)3Chemical Synthesis

Ethynyltributylstannane (CAS 994-89-8), molecular formula HC≡CSn(CH2CH2CH2CH3)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
Tributylstannylacetylene
Ethynyltributylstannane
Chemical SynthesisOrganometallic ReagentsOrganotinOrganotins
01 /Properties
Molecular weight315.08
Linear formulaHC≡CSn(CH2CH2CH2CH3)3
Assay95%
Boiling point70 °C/0.2 mmHg(lit.)
Density1.089 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.476(lit.)
ApplicationUsed to prepare vinylstannanes1 and stannylisoxazoles.2 Ethynylation reagent for azaaromatics.3
02 /Safety & handling
Toxic
Toxic
Health hazard
Health hazard
Environmental hazard
Environmental hazard
Danger

Hazard statements

  • H301Toxic if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H372Causes damage to organs through prolonged exposure
  • H400Very toxic to aquatic life

Precautionary statements

  • P273Avoid release to the environment
  • P280Wear protective gloves, clothing and eye/face protection
  • P301IF SWALLOWED
  • P305IF IN EYES
  • P314Get medical attention if you feel unwell
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point74 °C / 165.2 °F
Transport (UN / ADR)UN 2788 6.1 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)T,Xn,N
Risk statements (R)21-25-36/38-48/23/25-50/53

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

03 /Identifiers & registry
CAS number
994-89-8
MDL number
MFCD00009420
PubChem substance
24856626
Beilstein registry
3537659
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 Ethynyltributylstannane?

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Ethynyltributylstannane (CAS 994-89-8), molecular formula HC≡CSn(CH2CH2CH2CH3)3, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of Ethynyltributylstannane does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Ethynyltributylstannane 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 Ethynyltributylstannane?

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Ethynyltributylstannane has CAS number 994-89-8 and molecular formula HC≡CSn(CH2CH2CH2CH3)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 Ethynyltributylstannane?

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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 Ethynyltributylstannane 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 Ethynyltributylstannane be stored?

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Store Ethynyltributylstannane 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 Ethynyltributylstannane used for?

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Ethynyltributylstannane 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 Ethynyltributylstannane?

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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 Ethynyltributylstannane in a specific grade or volume?

Request a quote