(2-Hydroxyethyl)triphenylphosphonium bromide

CAS 7237-34-5HOCH2CH2P(C6H5)3BrChemical Synthesis

(2-Hydroxyethyl)triphenylphosphonium bromide (CAS: 7237-34-5) is a valuable Wittig reagent with a molecular weight of 389.27 g/mol. Its structure incorporates a hydroxyethyl group, allowing for specific synthetic transformations. This compound is primarily utilised in C-C bond formation, particularly in olefination reactions. It serves as a key reactant in the synthesis of various organic compounds, contributing to advancements in chemical synthesis and material science.

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(2-Hydroxyethyl)triphenylphosphonium bromide (HOCH2CH2P(C6H5)3Br) — chemical structure, CAS 7237-34-5; Chemistry, fine chemical supplied by Tech Serve Solutions

C-C Bond FormationChemical SynthesisOlefinationSynthetic ReagentsWittig Reagents

01 /Applications

Olefination Reactions

This phosphonium salt is employed as a reactant in the olefination of activated imines, facilitating the formation of carbon-carbon double bonds.

Material Science

It functions as a modifier in polyethylene terephthalate (PET) nanocomposite fibres, particularly when integrated with functionalised multiwalled carbon nanotubes.

Chemical Synthesis

As a synthetic reagent, it plays a role in various chemical syntheses, contributing to the construction of complex organic molecules.

02 /Properties

Molecular weight	389.27
Linear formula	HOCH2CH2P(C6H5)3Br
Assay	97%
Application	Reactant involved in olefination of activated imines1Modifier of PET nanocomposite fibers with functionalized multiwalled carbon nanotubes2
Melting point	217-219 °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

7237-34-5

MDL number

MFCD00011901

PubChem substance

24858331

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 (2-Hydroxyethyl)triphenylphosphonium bromide used for?

It is used as a reactant in the olefination of activated imines and as a modifier for PET nanocomposite fibres.

What is the CAS number and formula for (2-Hydroxyethyl)triphenylphosphonium bromide?

The CAS number is 7237-34-5 and the linear formula is HOCH2CH2P(C6H5)3Br.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this product with an assay of 97%. This is a technical/research grade material and is not represented as USP, BP, or EP grade.

How should (2-Hydroxyethyl)triphenylphosphonium bromide be handled safely?

Handle with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves. Avoid breathing dust. Ensure adequate ventilation. It is classified as causing skin irritation, serious eye irritation, and respiratory irritation (H315-H319-H335).

How is (2-Hydroxyethyl)triphenylphosphonium bromide packed and shipped?

This chemical is packed and shipped according to industry best practices and international regulations for chemical transport. Consult our sales team for specific details on export.