51805-42-6

Basic information

• Product Name: HISHICOLIN PO-500
• Synonyms: HISHICOLIN PO-500;3,3',3''-Phosphinylidynetris(1-propanol);C 300;FR-T;PO 500
• CAS NO: 51805-42-6
• Molecular Formula: C₉H₂₁O₄P
• Molecular Weight: 224.23
• Product Categories: Phosphine Oxides and Sulfides
• Mol File: 51805-42-6.mol
• Article Data: 5

Chemical Properties

• Boiling Point: 506°Cat760mmHg
• Flash Point: 259.8°C
• Appearance: /
• Density: 1.157
• CAS DataBase Reference: HISHICOLIN PO-500(CAS DataBase Reference)
• NIST Chemistry Reference: HISHICOLIN PO-500(51805-42-6)
• EPA Substance Registry System: HISHICOLIN PO-500(51805-42-6)

Safety Data

• Hazardous Substances Data: 51805-42-6(Hazardous Substances Data)

Usage

General Description

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Upstream product

• 29269-17-8 trimethyl 3,3',3''-phosphinetriyltripropanoate 
• 4706-17-6 tris(3-hydroxypropyl)phosphine 

Downstream Products

• 476213-98-6 tris[3-(4-aminobenzyloxy)propyl]phosphine oxide 

Relevant articles and documents

Determination and correlation of solubility of tris(3-hydroxypropyl) phosphine oxide in selected solvents

The solubility of tris(3-hydroxypropyl)phosphine oxide (THPPO) in selected solvents was measured by a static analytic method over the temperature range from (293 to 328) K in methanol, ethanol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, isobutyl alcohol, acetone, and a binary solvent mixture of ethanol + acetone. Several widely used thermodynamic models, such as the empirical equation and the Buchowski-Ksiazaczak (λh), Scatchard-Hildebrand, Wilson, nonrandom two-liquid (NRTL), and universal quasichemical (UNIQUAC) equations were applied to represent the measurement results. The binary interaction parameters of the above models were found to have a linear dependency on temperature, and the coefficients were regressed. The results show that all of these models can satisfactorily reproduce the experimental data and the NRTL equation can provide the best correlation with an overall relative standard deviation of 0.46 %.

Tris(3-hydroxypropyl)phosphine (THPP): A mild, air-stable reagent for the rapid, reductive cleavage of small-molecule disulfides

Tris(3-hydroxypropyl)phosphine (THPP) is demonstrated to be a versatile, water-soluble and air-stable reducing agent, allowing for the rapid, irreversible reductive cleavage of disulfide bonds in both aqueous and buffered aqueous-organic media. The reagent shows exceptional stability at biological pH under which condition it permits the rapid reduction of a wide range of differentially functionalized small-molecule disulfides.

Method of oxidizing tertiary-alkyl phosphines

Tertiary-alkyl phosphines, such as tris-(3-hydroxypropyl) phosphine may be oxidized by heating in the presence of water and between about 0.1 and about 10% by weight of an acid catalyst at a temperature above about 100° C.