油酸铵
外观
油酸铵 | |
---|---|
识别 | |
CAS号 | 544-60-5 |
性质 | |
化学式 | C18H37NO2 |
摩尔质量 | 299.49 g·mol−1 |
熔点 | ~78 °C[1] |
溶解性 | 31 g(无水乙醇,0 °C)[1] |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
油酸铵是一种羧酸盐,化学式为C17H33COONH4。它可由氨气和油酸的乙醚溶液反应制得,[1]或直接由氨水和油酸反应得到,其水溶液呈碱性。[2]它的近晶熔点为41.6±1 °C,各向同性液体温度为69.4±1 °C。[3]它的临界胶束浓度为0.4 g/L。[2]
参考文献
[编辑]- ^ 1.0 1.1 1.2 Falciola, Pietro. Ammonium Salts of the Fat Acids (Oleic, Palmitic, Stearic) and Separation of Oleic Acid from the Saturated Fat Acids (Palmitic and Stearic). I. Gazzetta Chimica Italiana, 1911. 40 II: 217-229. ISSN 0016-5603.
- ^ 2.0 2.1 I. Yu. Averko-Antonovich, L. R. Ziganshina, A. P. Rakhmatullina, R. A. Akhmed'yanova. Surface Activity of Fatty Acid Salts in Aqueous Solutions. Russian Journal of Applied Chemistry. 2004-04, 77 (4): 595–598 [2023-03-03]. ISSN 1070-4272. doi:10.1023/B:RJAC.0000038675.43359.09 (英语).
- ^ B. Tamamushi. Flow properties of smectic liquid crystals. Rheologica Acta. 1974-04, 13 (2): 247–251 [2023-03-03]. ISSN 0035-4511. doi:10.1007/BF01520884 (英语).