Trifluoromethanesulfonic acid-d

CAS 66178-41-4CF3SO3DAcids & Bases

Trifluoromethanesulfonic acid-d (CAS 66178-41-4, CF3SO3D) is a deuterated analogue of triflic acid, a superacid with exceptional chemical stability and strong acidic properties. This compound, with a molecular weight of 151.08, serves as a valuable reagent in specialised organic synthesis and isotopic labelling studies. Its primary applications lie in research and development, where precise isotopic incorporation is essential for mechanistic investigations and the synthesis of labelled compounds.

IUPAC: Deuterotrifluormethansulfonic acid,Triflic acid-D

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Trifluoromethanesulfonic acid-d (CF3SO3D) — chemical structure, CAS 66178-41-4; Chemistry, fine chemical supplied by Tech Serve Solutions

AcidsAcids & BasesChemical SynthesisOrganic AcidsSynthetic Reagents

01 /Applications

Isotopic Labelling Reagent

Utilised in organic synthesis for the incorporation of deuterium into target molecules. This is crucial for reaction mechanism studies and the development of isotopically labelled standards.

Strong Acid Catalyst

Acts as a powerful acid catalyst in various organic transformations, offering enhanced reactivity or selectivity due to its superacidic nature and deuterated form.

NMR Spectroscopy Studies

Employed in nuclear magnetic resonance (NMR) spectroscopy to investigate chemical processes and molecular structures where deuterated compounds are required.

Research and Development

A key chemical for advanced research in synthetic chemistry, materials science, and pharmaceutical development requiring specific isotopic enrichment.

02 /Properties

Molecular weight	151.08
Linear formula	CF3SO3D
Boiling point	162 °C(lit.)
Density	1.708 g/mL at 25 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES
P310Immediately call a POISON CENTER or doctor

Transport (UN / ADR)	UN 3265 8 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	C,Xn
Risk statements (R)	22-34
Safety statements (S)	26-36/37/39-45

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

04 /Identifiers & registry

CAS number

66178-41-4

MDL number

MFCD00068354

05 /Additional specifications

Isotopic Purity	98 atom % D
Mass Shift	M+1

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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.

07 /Frequently asked questions

What is Trifluoromethanesulfonic acid-d used for?

Trifluoromethanesulfonic acid-d is used as a reagent in specialised organic synthesis, particularly for isotopic labelling studies and as a strong acid catalyst in research and development.

What is the CAS number and formula for Trifluoromethanesulfonic acid-d?

The CAS number is 66178-41-4 and the molecular formula is CF3SO3D.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Trifluoromethanesulfonic acid-d with an isotopic purity of 98 atom % D. We do not represent this product as USP, BP, or EP grade.

How should Trifluoromethanesulfonic acid-d be handled?

Trifluoromethanesulfonic acid-d is a corrosive substance that can cause severe skin burns and eye damage, and is harmful if swallowed. Handle with appropriate personal protective equipment in a well-ventilated area, following GHS hazard statements H302-H314.

How is Trifluoromethanesulfonic acid-d shipped?

This chemical is shipped as UN 3265, Hazard Class 8, Packing Group II, indicating it is a corrosive liquid, acidic, organic, n.o.s., suitable for international transport.