Chloromethyl chloroformate

{{chembox

| Watchedfields = changed

| verifiedrevid = 399714915

| ImageFile = Chloromethyl chloroformate.png

| ImageSize = 140

| ImageClass = skin-invert

| ImageAlt = Skeletal formula of chloromethyl chloroformate

| ImageFile1 = Chloromethyl chloroformate 3D spacefill.png

| ImageSize1 = 160

| ImageAlt1 = Space-filling model of the chloromethyl chloroformate molecule

| PIN = Chloromethyl carbonochloridate

| OtherNames =

|Section1={{Chembox Identifiers

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

| ChemSpiderID = 56498

| InChI = 1/C2H2Cl2O2/c3-1-6-2(4)5/h1H2

| InChIKey = JYWJULGYGOLCGW-UHFFFAOYAF

| SMILES1 = ClC(=O)OCCl

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

| StdInChI = 1S/C2H2Cl2O2/c3-1-6-2(4)5/h1H2

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

| StdInChIKey = JYWJULGYGOLCGW-UHFFFAOYSA-N

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

| CASNo = 22128-62-7

| PubChem = 62754

| SMILES = ClC(OCCl)=O

}}

|Section2={{Chembox Properties

| C=2 | H=2 | Cl=2 | O=2

| Appearance = Colorless liquid

| Density = 1.45 g/ml{{cite web | url = http://www.sigmaaldrich.com/catalog/product/aldrich/23181?lang=en | title = Chloromethyl chloroformate |publisher = Sigma-Aldrich}}

| MeltingPt =

| BoilingPtC = 107-108

| BoilingPt_ref =

| Solubility =

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|Section3={{Chembox Hazards

| MainHazards =

| FlashPt =

| AutoignitionPt =

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|Section8={{Chembox Related

| OtherFunction = Chloroethyl chloroformate

| OtherFunction_label = chloroformates

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Chloromethyl chloroformate (CClO₂CH₂Cl), also known as palite gas,{{cite journal |last1=Auld |first1=S.J.M. |title=Methods of gas warfare |journal=Journal of the Washington Academy of Sciences |date=February 4, 1918 |volume=8 |issue=3 |page=58 |doi=10.1038/101215b0 |jstor=24521564 |bibcode=1918Natur.101R.215. |s2cid=32522395 |doi-access=free }} is a chemical compound developed into gas form and used for chemical warfare during World War I. It is a tearing agent designed to cause temporary blindness. It is a colorless liquid with a penetrating, irritating odor.

Industrially, chloromethyl chloroformate is used to manufacture other chemicals.