Ammonium hexafluoroaluminate

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Ammonium hexafluoroaluminate
CAS number 7784-19-2 N
ChemSpider 11253835 YesY
Jmol-3D images Image 1
Molecular formula (NH4)3AlF6
Molar mass 195.09 g/mol
Appearance White crystalline powder
Density 1.78 g/cm3 at 20 °C
Melting point 126.1 °C (259.0 °F; 399.2 K)
Boiling point 239.5 °C (463.1 °F; 512.6 K)
R-phrases R23/24/25
S-phrases S26, S28, S36/37/39, S45
Main hazards Irritant (Xi)
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroform Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Ammonium hexafluoroaluminate is a chemical compound with the chemical formula of (NH4)3AlF6. It is a white crystalline powder that is usually stable, but can release corrosive hydrogen fluoride if it decomposes.