Trimethyl silyl triflate, 99%

Name: Trimethyl silyl triflate, 99%
Brand: Vaqora Chemicals
SKU: VQ-001024

About Trimethyl silyl triflate, 99%

Vaqora Chemicals supplies Trimethyl silyl triflate in Puriss grade, a synthetic reagent registered under CAS number 27607-77-8 at a purity of 99%. Its molecular formula is C4H9F3O3SSi and its molecular weight is 222.26 g/mol. Its systematic (IUPAC) name is trimethylsilyl trifluoromethanesulfonate. It is also known as TMS triflate or TMSOTf.

It is supplied as a colorless to light yellow to light orange liquid. Reported physical data include a boiling point of 77 °C and a density of 1.228 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis, reaction development, medicinal chemistry and catalysis. It is used across academic and industrial research.

Standard pack sizes are 25 g, 100 g, 500 g and 5 x 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Catalysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Trimethyl silyl triflate, 99%
Catalogue No.	VQ-001024
CAS Number	27607-77-8
IUPAC name	trimethylsilyl trifluoromethanesulfonate
Molecular formula	C₄H₉F₃O₃SSi
Molecular weight	222.26 g/mol
Exact mass	221.9994
Grade	Puriss
Purity / assay	99%
HSN code	29319090
InChIKey	FTVLMFQEYACZNP-UHFFFAOYSA-N
SMILES	C[Si](C)(C)OS(=O)(=O)C(F)(F)F
PubChem CID	65367

Physical properties
Physical form	Liquid
Appearance	Colorless to light yellow to light orange liquid
Boiling point	77 °C
Density	1.228 g/mL at 25 °C
H-bond donors / acceptors	0 / 6
TPSA	51.8 Å²
UN number	UN 1993
Synonyms	TMS triflate, TMSOTf, Trifluoromethanesulfonic acid trimethylsilylester, Trimethylsilyl triflate, Trimethylsilyl trifluoromethanesulphonate, Trimethylsilyl trifluoromethylsulfonate, Methanesulfonic acid, trifluoro-, trimethylsilyl ester, trimethylsilyltriflate, trimethylsilanol trifluoromethanesulfonate, trimethylsilyltrifluoromethane sulfonate, 1,1,1-Trifluoromethanesulfonic acid trimethylsilyl ester, Trifluoromethanesulfonic acid trimethylsilyl ester

Safety & hazard information (GHS)

Flammable

Corrosive

Signal word: Danger

Hazard statements

H226Flammable liquid and vapor
H314Causes severe skin burns and eye damage

Precautionary statements: P210, P233, P240, P241, P242, P243, P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P303 + P361 + P353, P304 + P340, P305 + P354 + P338, P316, P321, P363, P370 + P378, P403 + P235, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 27607-77-8

AR

Trimethyl silyl triflate, AR

CAS: 27607-77-8
Formula: C₄H₉F₃O₃SSi
MW: 222.26 g/mol

VQ-046643

Frequently asked questions

What is the CAS number of Trimethyl silyl triflate, 99%?

The CAS Registry Number of Trimethyl silyl triflate, 99% is 27607-77-8. It is also known as TMS triflate, TMSOTf, Trifluoromethanesulfonic acid trimethylsilylester.

What is the molecular formula and molecular weight of Trimethyl silyl triflate, 99%?

Trimethyl silyl triflate, 99% has the molecular formula C4H9F3O3SSi and a molecular weight of 222.26 g/mol. Its IUPAC name is trimethylsilyl trifluoromethanesulfonate.

Which grade and pack sizes of Trimethyl silyl triflate, 99% can I order?

We supply Trimethyl silyl triflate, 99% in Puriss (99%) grade, in 25 g, 100 g, 500 g, 5 x 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Trimethyl silyl triflate, 99%?

Yes. Every lot of Trimethyl silyl triflate, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Trimethyl silyl triflate, 99% be shipped internationally?

Yes. Trimethyl silyl triflate, 99% is classified as hazardous (UN 1993), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.