Tech Serve Solutions

Tetrabutyl orthosilicate

CAS 4766-57-8(CH3CH2CH2CH2O)4SiChemical Synthesis

Tetrabutyl orthosilicate (CAS 4766-57-8), molecular formula (CH3CH2CH2CH2O)4Si, 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
Tetrabutoxysilane
Tetrabutyl orthosilicate
Chemical SynthesisMaterials ScienceMicro/NanoElectronicsOrganometallic ReagentsOrganosiliconSilicatesSilicon
01 /Properties
Molecular weight320.54
Linear formula(CH3CH2CH2CH2O)4Si
Assay97%
Boiling point275 °C(lit.)
Density0.899 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.413(lit.)
Vapour density>1 (vs air)
02 /Safety & handling
Harmful / irritant
Harmful / irritant
Warning

Hazard statements

  • 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 point79 °C / 174.2 °F
Hazard codes (EU)Xi
Risk statements (R)36/37/38
Safety statements (S)26-36/37/39

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

03 /Identifiers & registry
CAS number
4766-57-8
MDL number
MFCD00009432
PubChem substance
24900310
Beilstein registry
1709274
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 Tetrabutyl orthosilicate?

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Tetrabutyl orthosilicate (CAS 4766-57-8), molecular formula (CH3CH2CH2CH2O)4Si, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of Tetrabutyl orthosilicate does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Tetrabutyl orthosilicate 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 Tetrabutyl orthosilicate?

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Tetrabutyl orthosilicate has CAS number 4766-57-8 and molecular formula (CH3CH2CH2CH2O)4Si. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Tetrabutyl orthosilicate?

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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 Tetrabutyl orthosilicate 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 Tetrabutyl orthosilicate be stored?

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Store Tetrabutyl orthosilicate 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 Tetrabutyl orthosilicate used for?

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Tetrabutyl orthosilicate 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 Tetrabutyl orthosilicate?

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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 Tetrabutyl orthosilicate in a specific grade or volume?

Request a quote