:Ammonium hexafluoroaluminate

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| Verifiedfields = changed

| Watchedfields = changed

| verifiedrevid = 476995911

| ImageFile = (NH4)3AlF6.png

| ImageSize =

| ImageAlt =

| IUPACName =

| PIN =

| OtherNames = Ammonium aluminium fluoride

|Section1={{Chembox Identifiers

| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}

| ChemSpiderID = 11253835

| InChI = 1/Al.6FH.3H3N/h;6*1H;3*1H3/q+3;;;;;;;;;/p-3/rAlF6.3H3N/c2-1(3,4,5,6)7;;;/h;3*1H3/q-3;;;/p+3

| InChIKey = OYHBNKHFKHBTRQ-IQDJHOCXAA

| StdInChI_Ref = {{stdinchicite|correct|chemspider}}

| StdInChI = 1S/Al.6FH.3H3N/h;6*1H;3*1H3/q+3;;;;;;;;;/p-3

| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}

| StdInChIKey = OYHBNKHFKHBTRQ-UHFFFAOYSA-K

| CASNo_Ref = {{cascite|correct|CAS}}

| CASNo = 7784-19-2

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = SW274S3321

| PubChem = 24565

| EC_number = 264-415-0

| SMILES = [NH4+].[NH4+].[NH4+].F[Al-3](F)(F)(F)(F)F

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|Section2={{Chembox Properties

| Formula = (NH₄)₃[AlF₆]

| MolarMass = 195.09 g/mol

| Appearance = White crystalline powder

| Density = 1.78 g/cm³ at 20 °C

| MeltingPtC = 126.1

| MeltingPt_notes =

| BoilingPtC = 239.5

| BoilingPt_notes =

| Solubility = }}

|Section3={{Chembox Hazards

| MainHazards = Irritant (Xi)

| FlashPt =

| AutoignitionPt =

| NFPA-H = 2

| NFPA-F = 0

| NFPA-R = 0

| NFPA-S =

| GHSPictograms = {{GHS06}}

| GHSSignalWord = Danger

| HPhrases = {{H-phrases|301|311|330|331}}

| PPhrases = {{P-phrases|260|261|264|270|271|280|284|301+310|302+352|304+340|310|311|312|320|321|322|330|361|363|403+233|405|501}}

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Ammonium hexafluoroaluminate is an inorganic compound with the chemical formula of (NH₄)₃[AlF₆]. It is a white solid. Upon heating, it converts to aluminium trifluoride, a reaction that releases hydrogen fluoride.{{cite journal |doi=10.1021/cm991195g|title=Preparation and Characterization of Different Phases of Aluminum Trifluoride|year=2000|last1=Alonso|first1 =C.|last2=Morato|first2=A.|last3=Medina|first3=F.|last4=Guirado|first4=F. |last5=Cesteros|first5=Y.|last6=Salagre|first6=P.|last7=Sueiras|first7=J. E.|last8=Terrado|first8=R.|last9=Giralt|first9=A.|journal= Chemistry of Materials|volume=12|issue=4|pages=1148–1155}} It has also been used as a precursor to zeolites.{{cite journal |doi=10.1016/j.molcata.2005.03.026|title=Post-synthesis alumination of mesoporous silica SBA-15 with high framework aluminum content using ammonium hexafluoroaluminate|year=2005|last1=Kao|first1=Hsien-Ming|last2=Ting|first2=Chun-Chiang|last3=Chao|first3=Shih-Wei|journal=Journal of Molecular Catalysis A: Chemical|volume=235|issue=1–2|pages=200–208}}