Solubility of propanoic acid 3-(hydroxyphenylphosphinyl)-sodium salts in different solvent

被引：14

作者：

Jia, Dongmei ^{[1
,2
]}

Wang, Lisheng ^{[1
]}

Shao, Xianzhao ^{[1
]}

Li, Changhai ^{[2
]}

机构：

[1] Beijing Inst Technol, Sch Chem Engn & Environm, Beijing 100081, Peoples R China

[2] Binzhou Univ, Dept Chem & Chem Engn, Binzhou 256603, Peoples R China

来源：

FLUID PHASE EQUILIBRIA | 2013年 / 344卷

关键词：

Solid-liquid equilibrium; Propanoic acid; 3-(hydroxyphenylphosphinyl)-sodium; Solubility; Synergistic effect; SOLID-LIQUID EQUILIBRIA; ORGANIC-SOLVENTS; PLUS WATER;

D O I：

10.1016/j.fluid.2013.02.001

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The propanoic acid 3-(hydroxyphenylphosphinyl)-monosodium salt (HPPS) and disodium salt (SHPPS) particles as most important flame retardants were synthesized by 3-(hydroxyphenylphosphinyl)propanoic acid with sodium hydrogen carbonate at room-temperature and characterized. The solubility of HPPS and SHPPS in pure water, methanol, ethanol, acetone, acetic acid and ethyl acetate were measured over a temperature range from 293.15 to 343.15 K under atmospheric pressure. Furthermore, the solubility of HPPS in mixed waters (ethanol + water) was determined and found to exhibit a synergistic effect. The two models, including the modified Apelblat model and the Scatchard-Hildebrand model were applied to correlate the experimental solubility data. The calculated solubilities are in good agreement with the experimental results. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：38 / 44

页数：7

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