Tech Serve Solutions

Tris(trimethylsilyl)silane

CAS 1873-77-4[(CH3)3Si]3SiHChemical Synthesis

Tris(trimethylsilyl)silane (CAS 1873-77-4), molecular formula [(CH3)3Si]3SiH, 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
1,1,1,3,3,3-Hexamethyl-2-trimethylsilyl-trisilane,TTMSS
Tris(trimethylsilyl)silane
Chemical SynthesisOrganometallic ReagentsOrganosiliconOthersReductionSilanesSynthetic Reagents More...
01 /Properties
Molecular weight248.66
Linear formula[(CH3)3Si]3SiH
Assay97%
Boiling point73 °C/5 mmHg(lit.)
Density0.806 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.489(lit.)
ApplicationSuper Silyl Protecting GroupsUsed in:• Hydrosilylations1• Radical reactions2• Reductions of acid chlorides3• Reductions of carbon-halogen bonds4• Hydrosilations of carbonyls5• Another common application involves the use of the tris(trimethylsilyl)silyl (TTMSS, or super silyl) group when complexed with transition metals and main group elements6,7• More recently, the super silyl group is being utilized in carbon–carbon bond forming reactions8
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

  • P305IF IN EYES
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point55 °C / 131 °F
Transport (UN / ADR)UN 1993C 3 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xi
Risk statements (R)10-36/37/38
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
1873-77-4
MDL number
MFCD00077893
PubChem substance
24861995
Beilstein registry
1923953
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 Tris(trimethylsilyl)silane?

+

Tris(trimethylsilyl)silane (CAS 1873-77-4), molecular formula [(CH3)3Si]3SiH, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of Tris(trimethylsilyl)silane does Tech Serve Solutions supply?

+

Tech Serve Solutions supplies Tris(trimethylsilyl)silane 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 Tris(trimethylsilyl)silane?

+

Tris(trimethylsilyl)silane has CAS number 1873-77-4 and molecular formula [(CH3)3Si]3SiH. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Tris(trimethylsilyl)silane?

+

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?

+

Yes. Every batch of Tris(trimethylsilyl)silane 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 Tris(trimethylsilyl)silane be stored?

+

Store Tris(trimethylsilyl)silane 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 Tris(trimethylsilyl)silane used for?

+

Tris(trimethylsilyl)silane 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 Tris(trimethylsilyl)silane?

+

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 Tris(trimethylsilyl)silane in a specific grade or volume?

Request a quote