(2-Hydroxyethyl)triphenylphosphonium chloride

Name: (2-Hydroxyethyl)triphenylphosphonium chloride
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CAS No. 23250-03-5
Cat. No. CS-0156591
Purity≥98%
MDL No.None

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Type	HazMat Fee
Excepted Quantity	$0.00
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(2-Hydroxyethyl)triphenylphosphonium chloride|CS-0156591

Structure of 23250-03-5

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General Information

CAS No. 23250-03-5
Cat. No. CS-0156591
Purity ≥98%
MDL No. None
Storage 4°C, sealed storage, away from moisture
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₀H₂₀ClOP
Molecular Weight 342.80
Synonym(s) (2-HYDROXY-5-METHOXY-PHENYL)-(1-PHENYL-1H-PYRAZOL-4-YL)-METHANONE
SMILES C1=CC=C(C=C1)[P+](CCO)(C2=CC=CC=C2)C3=CC=CC=C3.[Cl-]

Description

This phosphonium salt features a reactive hydroxyl group tethered to a triphenylphosphonium cation, enabling facile functionalization and enhanced solubility in polar solvents. The pendant hydroxyethyl moiety facilitates conjugation with biomolecules and supports applications in targeted delivery systems and redox-active probes.

Application

(2-Hydroxyethyl)triphenylphosphonium chloride serves as a reliable source of the hydroxyethyl phosphonium moiety, enabling efficient Wittig-type olefination reactions under mild conditions. Its bench-stable solid form facilitates handling and purification, while the pendant hydroxyl group offers additional functionality for downstream derivatization or conjugation in synthetic sequences.

Synthesis

Route1
- 603-35-0
- 107-07-3
- ~96%
- In-stock
  
  23250-03-5
References
- Karatholuvhu, Maheswaran S.; Fuchs, Philip L. Journal of the American Chemical Society, 2004 , vol. 126, # 44 p. 14314 - 14315

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 20.23
LogP -0.0232
H_Acceptors 1
H_Donors 1
Rotatable_Bonds 5

Other Classifications

Building Blocks Functional Group Alcohol

Key Words

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(2-Hydroxyethyl)triphenylphosphonium chloride

CAS No. 23250-03-5

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