Pivalic acid

Pivalic acid
Names
	Preferred IUPAC name 2,2-Dimethylpropanoic acid
	Other names Pivalic acid; Dimethylpropanoic acid; Neopentanoic acid; Neovaleric acid; Trimethylacetic acid
Identifiers
CAS Number	75-98-9 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:45133 ;
ChEMBL	ChEMBL322719 ;
ChemSpider	6177 ;
ECHA InfoCard	100.000.839
PubChem CID	6417;
UNII	813RE8BX41 ;
CompTox Dashboard (EPA)	DTXSID8026432 ;
	InChI InChI=1S/C5H10O2/c1-5(2,3)4(6)7/h1-3H3,(H,6,7) Key: IUGYQRQAERSCNH-UHFFFAOYSA-N ;
	SMILES O=C(O)C(C)(C)C;
Properties
Chemical formula	C5H10O2
Molar mass	102.133 g·mol−1
Density	0.905 g/cm3
Melting point	35 °C (95 °F; 308 K)
Boiling point	163.7 °C (326.7 °F; 436.8 K)
Acidity (pKa)	5.03
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H312, H314, H315, H319, H332
Precautionary statements	P260, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P321, P330, P332+P317, P337+P317, P362+P364, P363, P405, P501 Preview warning: Omit Rules: keep P260, omit P261
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	2000 mg/kg (rat, oral)
Related compounds
Related compounds	Methyl pivalate; Neopentyl alcohol; Neopentane; Pivalamide; Pivaldehyde;
	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

Pivalic acid is a carboxylic acid with a molecular formula of (CH₃)₃CCO₂H. This colourless, odoriferous organic compound is solid at room temperature. Two abbreviations for pivalic acid are t-BuC(O)OH and PivOH. The pivalyl or pivaloyl group is abbreviated t-BuC(O).

Pivalic acid is an isomer of valeric acid, the other two isomers of it are 2-methylbutanoic acid and 3-methylbutanoic acid.