Chemistry:Ammonium palmitate
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| Names | |
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| IUPAC name
azanium;hexadecanoate
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| Other names
Hexadecanoic acid ammonium salt
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| Properties | |
| C16H35NO2 | |
| Molar mass | 273.461 g·mol−1 |
| Appearance | Yellow-white powder |
| Density | 1.79 g/cm3 |
| Boiling point | 340.6 °C |
| soluble | |
| Hazards | |
| Flash point | 154.1 °C |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Ammonium palmitate is a chemical compound with the chemical formula CH
3(CH
2)
14COONH
4.[1]This is an organic ammonium salt of palmitic acid.[2]
Synthesis
Ammonium palmitate can be prepared by reacting palmitic acid and excess 28-30% NH
3-solution.
Physical properties
Ammonium palmitate forms yellow-white powder, soluble in water.[3] It is slightly soluble in benzene and xylene, practically insoluble in acetone, ethanol, methanol, CCl
4, or naphtha.[4][5]
X-ray diffraction studies of ammonium palmitate show crystals that belong to monoclinic space group P21/n.[6]
Uses
The compound is used to produce waterproofing fabrics[7] and for thickening lubricants.
References
- ↑ "CAS 593-26-0 Ammonium palmitate - Alfa Chemistry". alfa-chemistry.com. https://www.alfa-chemistry.com/cas_593-26-0.htm.
- ↑ "Ammonium Palmitate". drugs.ncats.io. https://drugs.ncats.io/substance/W0481SHF2Z.
- ↑ Haynes, William M. (22 June 2012) (in en). CRC Handbook of Chemistry and Physics, 93rd Edition. CRC Press. p. 4-47. ISBN 978-1-4398-8049-4. https://books.google.com/books?id=-BzP7Rkl7WkC&dq=Ammonium+palmitate&pg=SA4-PA47. Retrieved 21 March 2025.
- ↑ Perry, Dale L. (19 April 2016) (in en). Handbook of Inorganic Compounds. CRC Press. p. 30. ISBN 978-1-4398-1462-8. https://books.google.com/books?id=SFD30BvPBhoC&dq=Ammonium+palmitate&pg=PA30. Retrieved 21 March 2025.
- ↑ Lewis, Robert A. (30 March 2016) (in en). Hawley's Condensed Chemical Dictionary. John Wiley & Sons. ISBN 978-1-119-19372-2. https://books.google.com/books?id=YKHcCwAAQBAJ&dq=Ammonium+palmitate&pg=PT225. Retrieved 21 March 2025.
- ↑ Yu, Gu-Sheng; Li, Hung-Wen; Hollander, Fred; Snyder, Robert G.; Strauss, Herbert L. (1 November 1999). "Comparison of the Structures of Ammonium Myristate, Palmitate, and Stearate by X-ray Diffraction, Infrared Spectroscopy, and Infrared Hole Burning". The Journal of Physical Chemistry B 103 (47): 10461–10468. doi:10.1021/jp992279f. ISSN 1520-6106. https://pubs.acs.org/doi/abs/10.1021/jp992279f. Retrieved 21 March 2025.
- ↑ Bilalov, T. R.; Zakharov, A. A.; Jaddoa, A. A.; Gumerov, F. M.; Neindre, B. Le (1 December 2017). "Treatment of different types of cotton fabrics by ammonium palmitate in a supercritical CO2 environment". The Journal of Supercritical Fluids 130: 47–55. doi:10.1016/j.supflu.2017.07.036. ISSN 0896-8446. https://www.sciencedirect.com/science/article/abs/pii/S0896844617302188. Retrieved 21 March 2025.
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