2-methylpropanoic acid


dimethylacetic acid; isobutanoic acid; isobutyric acid; isopropylformic acid; 2-methylpropanoic acid; α-methylpropionic acid; 2-methylpropionic acid; valerianic acid
Links:🌍 Wikipedia, 📏 NIST, 📖 PubMed,
📖Org. Chem., v. Richter, 1. Vol (Isobutyric Acid); p. 119, 258, 259
CAS:[79-31-2]
Formula:C4H8O2; 88.11 g/mol
InChiKey:KQNPFQTWMSNSAP-UHFFFAOYSA-N
SMILES:CC(C)C(=O)O
Molecular structure of 2-methylpropanoic acid
Use:disinfectant; preparation of esters for solvents, flavors, and bases for perfumes; tanning agent
Density:0.948 g/mL
Molar volume:92.9 mL/mol
Refractive index:1.393
Molecular refractive power:22.17 mL/mol
Dielectric constant:2.60
Dipole moment:1.08 D
Melting point:-79 °C
Boiling point:154 °C
Vapour pressure:0 Torr
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Surface tension:25.08 dyn/cm
Critical temperature:336 °C
Critical pressure:40.0 atm
Critical volume:292.00 ml/mol
Log10 partition octanol / water:0.94
100g dissolves:
14g phenanthrene;    12.3g naphthalene;    10.6g 1,3-dihydroxybenzene
1g dissolves in:
3.42g water

Isomers

butanoic acid
Molecular structure of butanoic acid
(E)-but-2-ene-1,4-diol
Molecular structure of (E)-but-2-ene-1,4-diol
cis-2-butene-1,4-diol
Molecular structure of cis-2-butene-1,4-diol
3,4-dihydroxy-1-butene
Molecular structure of 3,4-dihydroxy-1-butene
dioxane
Molecular structure of dioxane
1,3-dioxane
Molecular structure of 1,3-dioxane
2-ethenoxyethanol
Molecular structure of 2-ethenoxyethanol
ethyl acetate
Molecular structure of ethyl acetate
3-hydroxybutanal
Molecular structure of 3-hydroxybutanal
(S)-3-hydroxybutan-2-one
Molecular structure of (S)-3-hydroxybutan-2-one
3-hydroxy-2-butanone
Molecular structure of 3-hydroxy-2-butanone
4-hydroxy-2-butanone
Molecular structure of 4-hydroxy-2-butanone
(R)-(-)-3-hydroxytetrahydrofuran
Molecular structure of (R)-(-)-3-hydroxytetrahydrofuran
(S)-(+)-3-hydroxytetrahydrofuran
Molecular structure of (S)-(+)-3-hydroxytetrahydrofuran
3-hydroxytetrahydrofuran
Molecular structure of 3-hydroxytetrahydrofuran
isopropyl formate
Molecular structure of isopropyl formate
(2R)-2-(methoxymethyl)oxirane
Molecular structure of (2R)-2-(methoxymethyl)oxirane
(2S)-2-(methoxymethyl)oxirane
Molecular structure of (2S)-2-(methoxymethyl)oxirane
1-methoxypropan-2-one
Molecular structure of 1-methoxypropan-2-one
2-methyl-1,3-dioxolane
Molecular structure of 2-methyl-1,3-dioxolane
4-methyl-1,3-dioxolane
Molecular structure of 4-methyl-1,3-dioxolane
2-methylene-1,3-propanediol
Molecular structure of 2-methylene-1,3-propanediol
methyl propanoate
Molecular structure of methyl propanoate
2-methylpropanoic acid
Molecular structure of 2-methylpropanoic acid
2-oxetanemethanol
Molecular structure of 2-oxetanemethanol
oxetane-3-methanol
Molecular structure of oxetane-3-methanol
propyl formate
Molecular structure of propyl formate