Butyl isocyanate

Butyl isocyanate
Names
	IUPAC name 1-isocyanatobutane
	Other names 1-butyl isocyanate; n-butyl isocyanate; BIC;
Identifiers
CAS Number	111-36-4;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:136519;
ChemSpider	7819;
ECHA InfoCard	100.003.512
EC Number	203-862-8;
Gmelin Reference	662892
PubChem CID	8110;
UNII	XM89T89J3W;
CompTox Dashboard (EPA)	DTXSID6026872;
	InChI InChI=1S/C5H9NO/c1-2-3-4-6-5-7/h2-4H2,1H3 Key: HNHVTXYLRVGMHD-UHFFFAOYSA-N;
	SMILES CCCCN=C=O;
Properties
Chemical formula	C5H9NO
Molar mass	99.133 g·mol−1
Appearance	colourless liquid with a pungent odor
Density	0.89 g/cm3
Melting point	−75 °C (−103 °F; 198 K)
Boiling point	115 °C (239 °F; 388 K)
Solubility in water	decomposes in water
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H224, H225, H302, H311, H314, H317, H330, H334, H335
Precautionary statements	P210, P233, P240, P241, P242, P243, P260, P262, P264, P264+P265, P270, P271, P272, P280, P284, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P319, P320, P321, P330, P333+P317, P342+P316, P361+P364, P362+P364, P363, P370+P378, P403, P403+P233, P403+P235, P405, P501 Preview warning: Omit Rules: keep P260, omit P261
NFPA 704 (fire diamond)	3 3 2
Related compounds
Related compounds	Methyl isocyanate; Ethyl isocyanate; Propyl isocyanate; Pentyl isocyanate;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Butyl isocyanate is an organic chemical compound of carbon, hydrogen, nitrogen, and oxygen with the linear formula CH₃(CH₂)₃NCO. This is the butyl ester of isocyanic acid.