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| Names | |||
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| Other names Ammonium hypophosphite | |||
| Identifiers | |||
| CAS Number | |||
| 3D model (JSmol) | |||
| ECHA InfoCard | 100.029.333 
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| EC Number |
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| CompTox Dashboard (EPA) | |||
InChI
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SMILES
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| Properties | |||
| Chemical formula | H6NO2P | ||
| Molar mass | 83.027 g·mol | ||
| Appearance | colorless crystals | ||
| Density | 1.634 g/cm | ||
| Melting point | 200 | ||
| Solubility in water | soluble | ||
| Hazards | |||
| GHS labelling: | |||
| Pictograms | 
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| Signal word | Warning | ||
| Hazard statements | H315, H319, H335 | ||
| Precautionary statements | P261, P305, P338, P351 | ||
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references | |||
Ammonium phosphinate is a chemical compound with the chemical formula NH4PH2O2. This is a salt of ammonium and phosphoric acid.
Synthesis
The effect of ammonia solution on phosphoric acid solution:
- HPH2O2 + NH3 → NH4PH2O2
Physical properties
Ammonium phosphonate forms colorless crystals of rhombic system, spatial group C mma, cell parameters a = 0.757 nm, b = 1.147 nm, c = 0.398 nm, Z = 4.
The compound is soluble in water and ethanol, but insoluble in acetone.
Uses
The compound is usually used as a catalyst for the production of polyamide.
References
- "Ammonium hypophosphite". Sigma Aldrich. Retrieved 2 December 2024.
- ^ "Ammonium phosphinate | 7803-65-8, Ammonium phosphinate Formula". ECHEMI. Retrieved 2 December 2024.
- Russian Chemical Reviews. Russian Academy of Sciences, The Royal Society of Chemistry and Turpion Limited. 1980. p. 49. Retrieved 2 December 2024.
- Emergency Planning and Community RightToKnow Act section 313 reporting guidance for the textile processing industry. DIANE Publishing. p. C-14. ISBN 978-1-4289-0164-3. Retrieved 2 December 2024.
- Weakley, T. J. R. (18 August 2011). "The Crystal Structures of Ammonium Phosphinate (Hypophosphite) and Guanidinium Ph08phinate, and the Cell Parameters of Hydrazinium(2+) Phosphinate". Journal of the Chemical Society of Pakistan. 1 (2): 37. Retrieved 2 December 2024.
- Armarego, W. L. F. (27 August 2022). Purification of Laboratory Chemicals: Part 2 Inorganic Chemicals, Catalysts, Biochemicals, Physiologically Active Chemicals, Nanomaterials. Butterworth-Heinemann. p. 8. ISBN 978-0-323-95828-8. Retrieved 2 December 2024.