:Reinecke's salt

{{chembox

|Verifiedfields = changed

|Watchedfields = changed

|verifiedrevid = 464380578

|Name = Reinecke's salt

|ImageFile =Reinecke's salt V1.svg

|ImageSize = 300px

|ImageAlt = Structural formulas of the ammonium cation and the tetrathiocyanato-diamminechromate(III) anion

|ImageFile2 = Reinecke's-salt.jpg

|ImageAlt2 = Red powder on a watch glass

|IUPACName = ammonium (OC-6-11)-diamminetetrakis(thiocyanato-N)chromate(1−)

|OtherNames = ammonium tetrathiocyanato-
diamminechromate(III),

Reinecke salt,

ammonium reineckate

|Section1={{Chembox Identifiers

|InChI = 1/4CNS.Cr.3H3N.H2O/c4*2-1-3;;;;;/h;;;;;3*1H3;1H2/q4*-1;+3;;;;/p+1/rC4H6CrN6S4.H3N.H2O/c6-5(7,8-1-12,9-2-13,10-3-14)11-4-15;;/h6-7H3;1H3;1H2/q-1;;/p+1

|InChIKey = GXUDINOISGOIAV-JJHXSEQHAU

|SMILES = [NH4+].S=C=N/[Cr-3]([NH3+])([NH3+])(/N=C=S)(/N=C=S)/N=C=S.O

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

|StdInChI = 1S/4CNS.Cr.3H3N.H2O/c4*2-1-3;;;;;/h;;;;;3*1H3;1H2/q4*-1;+3;;;;/p+1

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

|StdInChIKey = GXUDINOISGOIAV-UHFFFAOYSA-O

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

|CASNo = 13573-16-5

|EINECS = 237-003-3

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

|UNII = JL96S212CS

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

|ChemSpiderID =21106473

|PubChem = 159682

}}

|Section2={{Chembox Properties

|Formula = {{chem2|C4H12N7OCrS4}}

|MolarMass = 354.42 g/mol

|Appearance = dark red solid

|Density = 1.49 g/cm³{{cite journal|last1=Saito |first1=Y. |last2=Takeuchi |first2=Y. |last3=Pepinsky |first3=R. |title=The Crystal Structure of Ammonium Reineckate |journal=Zeitschrift für Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie|date =1955 |volume= 106 |issue=1–6 |pages=476–477 |doi=10.1524/zkri.1954.106.16.476|s2cid=101134761 }}

|Solubility = soluble in hot water

|MeltingPtC = 270

|BoilingPt = decomposes

}}

|Section3={{Chembox Structure

|Coordination = octahedral

|Dipole = 0 D

}}

|Section4={{Chembox Hazards

|MainHazards = toxic

|GHSPictograms = {{GHS07}}{{GHS09}}

|GHSSignalWord = Warning

|HPhrases = {{H-phrases|302|312|332|410}}

|PPhrases = {{P-phrases|261|264|270|271|273|280|301+312|302+352|304+312|304+340|312|322|330|363|391|501}}

}}

|Section5={{Chembox Related

|OtherCompounds = [Co(NH₃)₆]Cl₃,
KSCN,
Chromium(III) chloride

}}

}}

Reinecke's salt is an inorganic compound with the formula {{chem2|NH4[Cr(NCS)4(NH3)2*H2O}}. The dark-red crystalline compound is soluble in boiling water, acetone, and ethanol.{{cite journal|first1=T. |last1=Peppel |first2=C. |last2=Schmidt |first3= M.|last3= Köckerling |title=Synthesis, Properties, and Structures of Salts with the Reineckate Anion, [CrIII(NCS)₄(NH₃)₂]⁻, and Large Organic Cations |journal=Zeitschrift für Anorganische und Allgemeine Chemie |date=2011 |volume=637 |issue=10 |pages=1314–1321 |doi=10.1002/zaac.201100091}} It can be classified as a metal isothiocyanate complex.