thulium(III) chloride

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| Verifiedfields = changed

| Watchedfields = changed

| verifiedrevid = 428985642

| ImageFile = Aluminium-trichloride-crystal-3D-balls.png

| IUPACName = Thulium(III) chloride

| OtherNames = Thulium chloride, thulium trichloride

|Section1={{Chembox Identifiers

| Abbreviations =

| CASNo_Ref = {{cascite|correct|??}}

| CASNo = 13537-18-3

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

| UNII = 73TYF012WF

| EINECS = 236-904-9

| PubChem = 61643

| RTECS = XP0525000

| InChI = 1S/3ClH.Tm/h3*1H;/q;;;+3/p-3

| SMILES = Cl[Tm](Cl)Cl

| MeSHName =

| ChEBI =

| KEGG_Ref = {{keggcite|correct|kegg}}

| KEGG =

}}

|Section2={{Chembox Properties

| Formula = TmCl₃

| MolarMass = 275.292 g/mol

| Appearance = yellow crystals

| Density = 3.98 g/cm³

| MeltingPtC = 824

| BoilingPtC = 1490

| Solubility = heptahydrate: very soluble

| SolubleOther = heptahydrate: very soluble in ethanol

| Solvent =

| pKa =

| pKb = }}

|Section3={{Chembox Structure

| Coordination = 6

{{cite web |url= http://202.114.88.54/g/web18/wangluo/webelements/webelements/compounds/text/tm/cl3tm1-13537183.html |title= Chemistry: Periodic Table: Thulium: compound data (thulium (III) chloride) |access-date= 2008-06-27 |publisher= WebElements |url-status= dead |archive-url= https://web.archive.org/web/20081201020455/http://202.114.88.54/g/web18/wangluo/webelements/webelements/compounds/text/tm/cl3tm1-13537183.html |archive-date= 2008-12-01 }}

| CrystalStruct = Monoclinic, mS16

| SpaceGroup = C12/m1, No. 12

}}

|Section4={{Chembox Thermochemistry

| DeltaHf = −966.6 kJ/mol

{{Cite book | last1 = Perry | first1 = Dale L. | last2 = Phillips

| first2 = Sidney L. | year = 1995

| title = Handbook of Inorganic Compounds | publisher = CRC Press | isbn = 0-8493-8671-3

| pages = 512

| url = https://books.google.com/books?id=kTnxSi2B2FcC&pg=PT1017 | access-date = 2008-06-27 }}

| DeltaHc =

| Entropy =

| HeatCapacity = }}

|Section7={{Chembox Hazards

| ExternalSDS =

| MainHazards = Irritant

| NFPA-H =

| NFPA-F =

| NFPA-R =

| NFPA-S =

| GHS_ref={{cite web |title=Thulium trichloride |url=https://pubchem.ncbi.nlm.nih.gov/compound/61643#section=Safety-and-Hazards |website=pubchem.ncbi.nlm.nih.gov |language=en}}

| GHSPictograms = {{GHS07}}

| GHSSignalWord = Warning

| HPhrases = {{H-phrases|315|319|335}}

| PPhrases = {{P-phrases|261|264|271|280|302+352|304+340|305+351+338|312|332+313|337+313|362|403+233|405|501}}

| FlashPt =

| AutoignitionPt =

| ExploLimits =

| PEL = }}

|Section8={{Chembox Related

| OtherAnions = Thulium(III) oxide

| OtherCations = Erbium(III) chloride
Ytterbium(III) chloride
Thulium(II) chloride

}}

}}

Thulium(III) chloride or thulium trichloride is as an inorganic salt composed of thulium and chlorine with the formula TmCl₃. It forms yellow crystals. Thulium(III) chloride has the YCl₃ (AlCl₃) layer structure with octahedral thulium ions.Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications {{ISBN|0-19-855370-6}} It has been used as a starting material for some exotic nanostructures prepared for NIR photocatalysis.{{Cite journal |last1=Bai |first1=Lijie |last2=Jiang |first2=Wenya |last3=Gao |first3=Chunxiao |last4=Zhong |first4=Shuxian |last5=Zhao |first5=Leihong |last6=Li |first6=Zhengquan |last7=Bai |first7=Song |date=2016-11-17 |title=Facet engineered interface design of NaYF4:Yb,Tm upconversion nanocrystals on BiOCl nanoplates for enhanced near-infrared photocatalysis |url=https://pubs.rsc.org/en/content/articlelanding/2016/nr/c6nr05720a |journal=Nanoscale |language=en |volume=8 |issue=45 |pages=19014–19024 |doi=10.1039/C6NR05720A |pmid=27808315 |issn=2040-3372}}