Pivalonitrile

Pivalonitrile
Names
	Preferred IUPAC name 2,2-Dimethylpropanenitrile
	Other names tert-Butyl cyanide; tert-Cyanobutane; 2-Cyano-2-methylpropane; Trimethylacetonitrile; tert-Butylnitrile;
Identifiers
CAS Number	630-18-2 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	1361449
ChemSpider	11909 ;
ECHA InfoCard	100.010.122
EC Number	211-133-0;
PubChem CID	12416;
UNII	AQD7ZXJ3PR ;
UN number	3273
CompTox Dashboard (EPA)	DTXSID7060887 ;
	InChI InChI=1S/C5H9N/c1-5(2,3)4-6/h1-3H3 Key: JAMNHZBIQDNHMM-UHFFFAOYSA-N ;
	SMILES CC(C)(C)C#N;
Properties
Chemical formula	C5H9N
Molar mass	83.134 g·mol−1
Appearance	Colourless liquid
Density	752 mg mL−1
Melting point	15 °C (59 °F; 288 K)
Boiling point	106 °C (223 °F; 379 K)
Refractive index (nD)	1.3774
Thermochemistry
Heat capacity (C)	179.37 J K−1 mol−1
Std molar; entropy (S⦵298)	232.00 J K−1 mol−1
Std enthalpy of; formation (ΔfH⦵298)	−39.9 kJ mol−1
Std enthalpy of; combustion (ΔcH⦵298)	−3.2146–−3.2132 MJ mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H301, H311, H331
Precautionary statements	P210, P261, P280, P301+P310, P311
Flash point	4 °C (39 °F; 277 K)
Related compounds
Related alkanenitriles	Acetonitrile; Aminoacetonitrile; Glycolonitrile; Cyanogen; Propanenitrile; Aminopropionitrile; Malononitrile; Acetone cyanohydrin; Butyronitrile; Succinonitrile; Tetramethylsuccinonitrile;
Related compounds	DBNPA
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Pivalonitrile is a nitrile with the semi-structural formula (CH₃)₃CCN, abbreviated t-BuCN. This aliphatic organic compound is a clear, colourless liquid that is used as a solvent and as a labile ligand in coordination chemistry. Pivalonitrile is isomeric with tert-butyl isocyanide but the two compounds do not exist in chemical equilibrium, unlike its silicon analog trimethylsilyl cyanide. ^[3]

References

^ "Pivalonitrile | C5H9N | ChemSpider". www.chemspider.com. Retrieved 19 August 2022.
^ "Pivalonitrile - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification. Retrieved 8 June 2012.
^ Booth, M. R.; Frankiss, S. G. (1968). "Trimethylsilyl isocyanide". Chem. Commun. (21): 1347–1348. doi:10.1039/C19680001347.

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[1] "Pivalonitrile | C5H9N | ChemSpider". www.chemspider.com. Retrieved 19 August 2022.

[2] "Pivalonitrile - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification. Retrieved 8 June 2012.

[3] Booth, M. R.; Frankiss, S. G. (1968). "Trimethylsilyl isocyanide". Chem. Commun. (21): 1347–1348. doi:10.1039/C19680001347.

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