Chlorine azide

{{chembox

| Watchedfields = changed

| verifiedrevid = 429868421

| ImageFile1 = Chlorine azide.svg

| ImageSize1 = 120px

| ImageFileL2 = Chlorine-azide-from-MW-3D-bs-17.png

| ImageFileR2 = Chlorine-azide-from-MW-3D-sf.png

| IUPACName = Chlorine azide

|Section1={{Chembox Identifiers

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

| CASNo = 13973-88-1

| ChemSpiderID = 55609

| PubChem = 61708

| StdInChI=1S/ClN3/c1-3-4-2

| StdInChIKey = ZGNIYAPHJAPRMA-UHFFFAOYSA-N

| SMILES = [N-]=[N+]=NCl}}

|Section2={{Chembox Properties

| Formula = {{chem2|ClN3}}

| MolarMass = 77.4731 g/mol

| Appearance = Yellow-orange liquid; colorless gas

| Density =

| MeltingPtC = -100

| BoilingPtC = -15

| Solubility =

| SolubleOther = Soluble{{vague|date=March 2013}} in butane, pentane, benzene, methanol, ethanol, diethyl ether, acetone, chloroform, carbon tetrachloride, and carbon disulfide; slightly soluble in water }}

|Section3={{Chembox Structure

| CrystalStruct = orthorhombic

| SpaceGroup = Cmc 2₁, No. 36{{Cite journal|last1=Lyhs|first1=Benjamin|last2=Bläser|first2=Dieter|last3=Wölper|first3=Christoph|last4=Schulz|first4=Stephan|last5=Jansen|first5=Georg|date=2012|title=A Comparison of the Solid-State Structures of Halogen Azides XN₃ (X=Cl, Br, I)|url=https://onlinelibrary.wiley.com/doi/epdf/10.1002/anie.201206028|journal=Angewandte Chemie International Edition|volume=51|issue=51|pages=12859–12863|doi=10.1002/anie.201206028|pmid=23143850}} }}

|Section5={{Chembox Explosive

| ShockSens = Extreme

| FrictionSens = Extreme

| DetonationV =

| REFactor = }}

|Section7={{Chembox Hazards

| MainHazards = Extremely sensitive explosive

| NFPA-H =

| NFPA-F = 0

| NFPA-R = 4

| NFPA-S =

| FlashPt =

| AutoignitionPt = }}

|Section8={{Chembox Related

| OtherAnions =

| OtherCations =

| OtherFunction =

| OtherFunction_label =

| OtherCompounds = Hydrazoic acid
Fluorine azide
Bromine azide
Iodine azide

}}

}}

Chlorine azide ({{chem2|ClN3}}) is an inorganic compound that was discovered in 1908 by Friedrich Raschig.{{ cite journal |author1=Frierson, W. J. |author2=Browne, A. W. | title = Chlorine Azide. II. Interaction of Chlorine Azide and Silver Azide. Azino Silver Chloride, N₃AgCl | journal = Journal of the American Chemical Society | year = 1943 | volume = 65 | issue = 9 | pages = 1698–1700 | doi = 10.1021/ja01249a013 |bibcode=1943JAChS..65.1698F }}

Concentrated {{chem2|ClN3}} is notoriously unstable and may spontaneously detonate at any temperature.{{ cite journal |author1=Frierson, W. J. |author2=Kronrad, J. |author3=Browne, A. W. | title = Chlorine Azide, ClN₃. I. | journal = Journal of the American Chemical Society | year = 1943 | volume = 65 | issue = 9 | pages = 1696–1698 | doi = 10.1021/ja01249a012 |bibcode=1943JAChS..65.1696F }}