Butyl iodide
{{short description|Chemical compound}}
{{Chembox
| Watchedfields = changed
| verifiedrevid = 422161356
| Reference = Merck Index, 13th Edition, 1572.
| ImageFile = butyl iodide.png
| ImageFile_Ref = {{chemboximage|correct|??}}
| ImageSize = 100
| ImageFileL1 = Butyl-iodide-3D-balls.png
| ImageFileL1_Ref = {{chemboximage|correct|??}}
| ImageNameL1 = Ball and stick model of butyl iodide
| ImageFileR1 = Butyl-iodide-3D-vdW.png
| ImageFileR1_Ref = {{chemboximage|correct|??}}
| ImageNameR1 = Butyl iodide
|Section1={{Chembox Identifiers
| CASNo = 542-69-8
| CASNo_Ref = {{cascite|correct|CAS}}
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = 607A6CC46R
| PubChem = 10962
| ChemSpiderID = 10497
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| EINECS = 208-824-4
| UNNumber = 1993
| MeSHName = 1-iodobutane
| RTECS = EK4400000
| Beilstein = 1420755
| SMILES = CCCCI
| StdInChI = 1S/C4H9I/c1-2-3-4-5/h2-4H2,1H3
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = KMGBZBJJOKUPIA-UHFFFAOYSA-N
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
}}
|Section2={{Chembox Properties
| C = 4
| H = 9
| I = 1
| Appearance = Colourless liquid
| Density = 1.617 g mL−1
| MeltingPtK = 169.65
| BoilingPtK = 400 to 406
| HenryConstant = 630 nmol Pa−1 kg−1
| RefractIndex = 1.4995
}}
|Section3={{Chembox Hazards
| GHSPictograms = {{GHS flame}} {{GHS skull and crossbones}}
| GHSSignalWord = DANGER
| HPhrases = {{H-phrases|226|331}}
| PPhrases = {{P-phrases|261|311}}
| FlashPtC = 33
}}
|Section4={{Chembox Related
| OtherFunction_label = alkanes
| OtherFunction = {{Unbulleted list|Propane|n-Propyl iodide|Isopropyl iodide|Butane|Pentane}}
| OtherCompounds = Diiodohydroxypropane
}}
}}
Butyl iodide (1-iodobutane) is an organic compound which is an iodo derivative of butane. It is used as an alkylating agent.
Isomer
The compound isobutyl iodide AKA 1-iodo-2-methylpropane is isomeric to butyl iodide.