(2-Hydroxyethyl)triphenylphosphonium bromide

Name: (2-Hydroxyethyl)triphenylphosphonium bromide
Brand: ChemScene
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CAS No. 7237-34-5
Cat. No. CS-0094456
Purity≥97%
MDL No.MFCD00011901

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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(2-Hydroxyethyl)triphenylphosphonium bromide|CS-0094456

Structure of 7237-34-5

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Description

Reactant involved in olefination of activated iminesModifier of PET nanocomposite fibers with functionalized multiwalled carbon nanotubes

Application

(2-Hydroxyethyl)triphenylphosphonium bromide serves as a stable, bench-ready phosphonium salt that facilitates Wittig-type olefination reactions and enables the synthesis of α,β-unsaturated carbonyl compounds. Its hydroxyl group provides enhanced solubility and functional group tolerance, simplifying purification and enabling downstream derivatization. This reagent functions reliably in standard organic transformations and is compatible with a range of reaction conditions commonly employed in synthetic and medicinal chemistry workflows.

General Information

CAS No. 7237-34-5
Cat. No. CS-0094456
Purity ≥97%
MDL No. MFCD00011901
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₀H₂₀BrOP
Molecular Weight 387.25
Synonym(s) 2-hydroxyethyl(triphenyl)phosphanium,bromide
SMILES OCC[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Br-]

Computational Chemistry Data

TPSA 20.23
LogP -0.0232
H_Acceptors 1
H_Donors 1
Rotatable_Bonds 5

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H315-H319-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501

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Other Classifications

General Reagents Wittig Reagents

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(2-Hydroxyethyl)triphenylphosphonium bromide

CAS No. 7237-34-5

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