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Solubility Determination of Nitazoxanide in Twelve Organic Solvents from T = 273.15 to 313.15 K
Journal of Chemical & Engineering Data ( IF 2.0 ) Pub Date : 2020-06-24 , DOI: 10.1021/acs.jced.0c00254
Haojian Zhang 1 , Yuli Shi 1 , Haoji Wang 1
Affiliation  

The objective of the present study was to study the solubility of nitazoxanide (NTZ) in 12 organic solvents such as methanol, ethanol, isopropanol, n-propanol, 1-butanol, ethyl acetate, toluene, acetonitrile, 1,4-dioxane, N-methyl-2-pyrrolidone (NMP), N,N-dimethylformamide (DMF), and 2-butanone by using the isothermal saturation method over a temperature range of 273.15–313.15 K under 101.3 kPa. Experimental solubility data of NTZ was fitted with the modified Apelblat and λh equations. The maximum mole fraction solubility of NTZ was found in NMP (1.127 × 10–1 at 313.15 K) followed by DMF (1.043 × 10–1 at 313.15 K), 1,4-dioxane (3.107 × 10–2 at 313.15 K), 2-butanone (2.286 × 10–2 at 313.15 K), ethyl acetate (3.99 × 10–3 at 313.15 K), acetonitrile (2.011 × 10–3 at 313.15 K), 1-butanol (6.17 × 10–4 at 313.15 K), isopropanol (5.80 × 10–4 at 313.15 K), n-propanol (5.25 × 10–4 at 313.15 K), ethanol (4.50 × 10–4 at 313.15 K), methanol (3.34 × 10–4 at 313.15 K), and toluene (2.91 × 10–4 at 313.15 K). The maximum values of relative average deviation (RAD) and root-mean-square deviation (RMSD) were 4.62% and 9.478 × 10–4, respectively, and were obtained in 2-butanone with the λh equation. Through the analysis of RAD and RMSD values, it was found that the calculated value of the modified Apelblat equation was closer to the experimental value. The solubility data obtained in the present study could be useful for optimizing the purification process of NTZ.

中文翻译:

T = 273.15至313.15 K从12种有机溶剂中溶解度的测定

本研究的目的是研究硝唑尼特(NTZ)在12种有机溶剂如甲醇,乙醇,异丙醇,正丙醇,1-丁醇,乙酸乙酯,甲苯,乙腈,1,4-二恶烷,N中的溶解度-甲基-2-吡咯烷酮(NMP),NN-二甲基甲酰胺(DMF)和2-丁酮是通过等温饱和法在101.3 kPa下于273.15–313.15 K的温度范围内使用的。NTZ的实验溶解度数据拟合与改性Apelblat和λ ħ方程。NTZ的最大摩尔分数溶解度是在NMP(313.15 K时为1.127×10 –1),然后是DMF(313.15 K为1.043×10 –1),1,4-二恶烷(3.107×10 –2)在313.15 K时),2-丁酮(在313.15 K时为2.286×10 –2),乙酸乙酯(在313.15 K时为3.99×10 –3),乙腈(在313.15 K时为2.011×10 –3),1-丁醇(6.17× 10 -4在313.15 K),异丙醇(5.80×10 -4在313.15 K),ñ丙醇(5.25×10 -4在313.15 K),乙醇(4.50×10 -4在313.15 K),甲醇(3.34× 313.15 K时为10 –4)和甲苯(313.15 K时为2.91×10 –4)。相对平均偏差(RAD)和根均方偏差(RMSD)的最大值分别为4.62%和9.478×10 -4,分别和在2-丁酮与λ得到ħ方程。通过对RAD和RMSD值的分析,发现修改后的Apelblat方程的计算值更接近实验值。本研究中获得的溶解度数据可用于优化NTZ的纯化过程。
更新日期:2020-07-09
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