Butyltriphenylphosphonium chloride

CAS 13371-17-0CH3(CH2)3P(C6H5)3ClChemical Synthesis

Butyltriphenylphosphonium chloride (CAS: 13371-17-0), with the chemical formula CH3(CH2)3P(C6H5)3Cl and a molecular weight of 354.85 g/mol, is a vital phosphonium salt. It serves as a key reagent in organic synthesis, primarily recognised for its role in Wittig reactions and other C-C bond-forming transformations. This compound is essential for the olefination of aldehydes and ketones, enabling the creation of substituted alkenes with controlled stereochemistry.

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Butyltriphenylphosphonium chloride (CH3(CH2)3P(C6H5)3Cl) — chemical structure, CAS 13371-17-0; Chemistry, fine chemical supplied by Tech Serve Solutions

C-C Bond FormationChemical SynthesisOlefinationSynthetic ReagentsWittig Reagents

01 /Applications

Wittig Reagent for Olefination

Butyltriphenylphosphonium chloride is a crucial Wittig reagent used to convert carbonyl compounds (aldehydes and ketones) into alkenes. This olefination reaction is fundamental in organic synthesis for constructing carbon-carbon double bonds.

C-C Bond Formation

Beyond its direct use in Wittig reactions, this phosphonium salt facilitates broader C-C bond formations. It is a versatile synthetic reagent employed in various multi-step syntheses across academic and industrial research.

Catalysis and Ligand Synthesis

Phosphonium salts like Butyltriphenylphosphonium chloride can sometimes be precursors for catalysts or ligands in coordination chemistry, although its primary application remains in Wittig-type olefination.

02 /Properties

Molecular weight	354.85
Linear formula	CH3(CH2)3P(C6H5)3Cl
Assay	97%
Melting point	226-230 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — 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 equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26-36

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

04 /Identifiers & registry

CAS number

13371-17-0

MDL number

MFCD00040546

05 /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.

06 /Frequently asked questions

What is Butyltriphenylphosphonium chloride used for?

Butyltriphenylphosphonium chloride is primarily used as a Wittig reagent for the olefination of aldehydes and ketones, enabling the formation of alkenes and facilitating carbon-carbon bond construction in organic synthesis.

What is the CAS number and chemical formula for Butyltriphenylphosphonium chloride?

The CAS number is 13371-17-0, and the chemical formula is CH3(CH2)3P(C6H5)3Cl.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Butyltriphenylphosphonium chloride with an assay of 97%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

How should Butyltriphenylphosphonium chloride be handled safely?

Handle with appropriate personal protective equipment, including a dust mask (type N95 recommended), eyeshields, and gloves. Avoid inhalation of dust, ensure adequate ventilation, and avoid contact with skin and eyes, as it may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).