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Ethyl trimethylsilyl malonate

CAS 18457-03-9H3CCH2OCOCH2COOSi(CH3)3Chemical Synthesis

Ethyl trimethylsilyl malonate (CAS 18457-03-9), molecular formula H3CCH2OCOCH2COOSi(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.

Ethyl trimethylsilyl malonate
Building BlocksC8 to C9Carbonyl CompoundsChemical SynthesisEsters
01 /Properties
Molecular weight204.30
Linear formulaH3CCH2OCOCH2COOSi(CH3)3
Assay97%
Boiling point75 °C/0.5 mmHg(lit.)
Density1 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.416(lit.)
Storage temperature2-8°C
02 /Safety & handling
Flammable
Flammable
Warning

Hazard statements

  • H226Flammable liquid and vapour
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point50 °C / 122 °F
Transport (UN / ADR)UN 3272 3 / PGIII
Water hazard class (WGK, DE)3
Risk statements (R)10

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

03 /Identifiers & registry
CAS number
18457-03-9
MDL number
MFCD00042885
PubChem substance
24862008
Beilstein registry
3082383
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 Ethyl trimethylsilyl malonate?

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Ethyl trimethylsilyl malonate (CAS 18457-03-9), molecular formula H3CCH2OCOCH2COOSi(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 Ethyl trimethylsilyl malonate does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Ethyl trimethylsilyl malonate 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 Ethyl trimethylsilyl malonate?

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Ethyl trimethylsilyl malonate has CAS number 18457-03-9 and molecular formula H3CCH2OCOCH2COOSi(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 Ethyl trimethylsilyl malonate?

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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 Ethyl trimethylsilyl malonate 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 Ethyl trimethylsilyl malonate be stored?

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Store Ethyl trimethylsilyl malonate 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 Ethyl trimethylsilyl malonate used for?

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Ethyl trimethylsilyl malonate 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 Ethyl trimethylsilyl malonate?

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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 Ethyl trimethylsilyl malonate in a specific grade or volume?

Request a quote