N,O-Bis(trimethylsilyl)trifluoroacetamide, 98% 25561-30-2

Name: N,O-Bis(trimethylsilyl)trifluoroacetamide, 98%
Brand: Vaqora Chemicals
SKU: VQ-000903

About N,O-Bis(trimethylsilyl)trifluoroacetamide, 98%

N,O-Bis(trimethylsilyl)trifluoroacetamide (CAS 25561-30-2) is a synthetic reagent offered by Vaqora Chemicals (Puriss grade) with a typical assay of 98%. With the molecular formula C8H18F3NOSi2, it has a molar mass of 257.4 g/mol. The IUPAC name is trimethylsilyl 2,2,2-trifluoro-N-trimethylsilylethanimidate. Alternative names: BSTFA and N,O-bis(TMS)3FAN.

It is supplied as a colourless to pale yellow liquid. Key physical data: a density of 0.969 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

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

We offer N,O-Bis(trimethylsilyl)trifluoroacetamide in 5 mL, 25 mL, 100 mL and 500 mL packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Chromatography

Industries

Specifications & identifiers

Chemical identifiers
Product name	N,O-Bis(trimethylsilyl)trifluoroacetamide, 98%
Catalogue No.	VQ-000903
CAS Number	25561-30-2
IUPAC name	trimethylsilyl 2,2,2-trifluoro-N-trimethylsilylethanimidate
Molecular formula	C₈H₁₈F₃NOSi₂
Molecular weight	257.4 g/mol
Exact mass	257.0879
Grade	Puriss
Purity / assay	98%
HSN code	29319090
InChIKey	XCOBLONWWXQEBS-UHFFFAOYSA-N
SMILES	C[Si](C)(C)N=C(C(F)(F)F)O[Si](C)(C)C
PubChem CID	94358

Physical properties
Physical form	Liquid
Appearance	Colourless to pale yellow liquid
Density	0.969 g/mL at 25 °C
H-bond donors / acceptors	0 / 5
TPSA	21.6 Å²
UN number	UN 2924
Synonyms	BSTFA, N,O-Bis(trimethylsilyl)trifluoroacetamide, Trimethylsilyl 2,2,2-trifluoro-N-(trimethylsilyl)acetimidate, N,O-bis(TMS)3FAN, Bis(trimethylsilyl)trifluoroacetamide, Ethanimidic acid, 2,2,2-trifluoro-N-(trimethylsilyl)-, trimethylsilyl ester, N,O-bis-(TRIMETHYLSILYL)-TRIFLUOROACETAMIDE, N,O-Bis(trimethylsilyl)trifluoroacetamide (~90%), C8H18F3NOSi2, Acetamide, 2,2,2-trifluoro-O,N-bis(trimethylsilyl)-, BSTFA containing 1% TMCS

Safety & hazard information (GHS)

Flammable

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H226Flammable liquid and vapor
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P260, P261, P264, P264 + P265, P271, P280, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P319, P321, P332 + P317, P337 + P317

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 25561-30-2

Reference Standard

N,O-Bis(trimethylsilyl)trifluoroacetamide

CAS: 25561-30-2
Formula: C₈H₁₈F₃NOSi₂
MW: 257.4 g/mol

In stock

AR

N,O-Bis(trimethylsilyl)trifluoroacetamide, AR >98%

CAS: 25561-30-2
Formula: C₈H₁₈F₃NOSi₂
MW: 257.4 g/mol

VQ-045825

Frequently asked questions

What is the CAS number of N,O-Bis(trimethylsilyl)trifluoroacetamide, 98%?

The CAS Registry Number of N,O-Bis(trimethylsilyl)trifluoroacetamide, 98% is 25561-30-2. It is also known as BSTFA, N,O-Bis(trimethylsilyl)trifluoroacetamide, Trimethylsilyl 2,2,2-trifluoro-N-(trimethylsilyl)acetimidate.

What is the molecular formula and molecular weight of N,O-Bis(trimethylsilyl)trifluoroacetamide, 98%?

N,O-Bis(trimethylsilyl)trifluoroacetamide, 98% has the molecular formula C8H18F3NOSi2 and a molecular weight of 257.4 g/mol. Its IUPAC name is trimethylsilyl 2,2,2-trifluoro-N-trimethylsilylethanimidate.

Which grade and pack sizes of N,O-Bis(trimethylsilyl)trifluoroacetamide, 98% can I order?

We supply N,O-Bis(trimethylsilyl)trifluoroacetamide, 98% in Puriss (98%) grade, in 5 mL, 25 mL, 100 mL, 500 mL, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with N,O-Bis(trimethylsilyl)trifluoroacetamide, 98%?

Yes. Every lot of N,O-Bis(trimethylsilyl)trifluoroacetamide, 98% 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 N,O-Bis(trimethylsilyl)trifluoroacetamide, 98% be shipped internationally?

Yes. N,O-Bis(trimethylsilyl)trifluoroacetamide, 98% is classified as hazardous (UN 2924), 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.