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Bis(trimethylsilyl) acetylenedicarboxylate

CAS 76734-92-4C10H18O4Si2Chemical Synthesis

Bis(trimethylsilyl) acetylenedicarboxylate (CAS 76734-92-4), molecular formula C10H18O4Si2, 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
Bis(trimethylsilyl) 2-butynedioate
Bis(trimethylsilyl) acetylenedicarboxylate
AlkynesBuilding BlocksChemical SynthesisInternalOrganic Building Blocks
01 /Properties
Molecular weight258.42
Empirical formulaC10H18O4Si2
Assay≥98.0%
Boiling point94 °C/0.005 mmHg(lit.)
Density0.999 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.439(lit.)n20/D 1.439
Storage temperature2-8°C
ApplicationVersatile synthetic intermediate with several advantages (e.g. mild cleavage of the TMS-group)
02 /Safety & handling
Flammable
Flammable
Harmful / irritant
Harmful / irritant
Warning

Hazard statements

  • H226Flammable liquid and vapour
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
Protective equipmentEyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point58 °C / 136.4 °F
Transport (UN / ADR)UN 1993C 3 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xi
Risk statements (R)36/37/38
Safety statements (S)26

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

03 /Identifiers & registry
CAS number
76734-92-4
MDL number
MFCD00009841
PubChem substance
24845136
Beilstein registry
4680184
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 Bis(trimethylsilyl) acetylenedicarboxylate?

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Bis(trimethylsilyl) acetylenedicarboxylate (CAS 76734-92-4), molecular formula C10H18O4Si2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of Bis(trimethylsilyl) acetylenedicarboxylate does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Bis(trimethylsilyl) acetylenedicarboxylate 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 Bis(trimethylsilyl) acetylenedicarboxylate?

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Bis(trimethylsilyl) acetylenedicarboxylate has CAS number 76734-92-4 and molecular formula C10H18O4Si2. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Bis(trimethylsilyl) acetylenedicarboxylate?

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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 Bis(trimethylsilyl) acetylenedicarboxylate 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 Bis(trimethylsilyl) acetylenedicarboxylate be stored?

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Store Bis(trimethylsilyl) acetylenedicarboxylate 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 Bis(trimethylsilyl) acetylenedicarboxylate used for?

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Bis(trimethylsilyl) acetylenedicarboxylate 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 Bis(trimethylsilyl) acetylenedicarboxylate?

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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 Bis(trimethylsilyl) acetylenedicarboxylate in a specific grade or volume?

Request a quote