butanoic acid


butanoic acid; butyric acid; n-butyric acid; ethylacetic acid; propanecarboxylic acid; propylformic acid
In russian:масляная кислота; бутановая кислота
Links:🌍 Wikipedia, 📏 NIST, 📖 PubMed,
📖Houben-Weyl, 2. Band (Buttersäure); p. 26, 119, 251, 266, 269, 297, 458, 486, 498, 612, 662, 989, 993,
📖Org. Chem., v. Richter, 1. Vol (Butyric Acid); p. 258, 259
MeSH:Neurotransmitter Agents
CAS RN:[107-92-6]
Formula:C4H8O2; 88.11 g/mol
InChiKey:FERIUCNNQQJTOY-UHFFFAOYSA-N
SMILES:O=C(O)CCC
Molecular structure of butanoic acid
Use:butyrates; component of synthetic butter, butterscotch, hops, pineapple, pistachio, melon and walnut flavors for use in candies, liqueurs, sirups, and cake; disinfectants; drugs; esters; varnishes
Density:0.960 g/mL
Molar volume:91.8 mL/mol
Refractive index:1.397
Molecular refractive power:22.11 mL/mol
Dielectric constant:2.80
Dipole moment:1.65 D
Melting point:-6 °C
Boiling point:163 °C
Vapour pressure:0 Torr
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Surface tension:26.26 dyn/cm
Critical temperature:355 °C
Critical pressure:52.0 atm
Critical volume:290.00 ml/mol
Solubility in water:100 % w/w
Solubility of water:100 % w/w
Log10 partition octanol / water:0.79
Dimroth ET:54.4
Hansen solubility parameter:δd: 7.3 (cal/mL)½   δp: 2.0 (cal/mL)½   δh: 5.2 (cal/mL)½
100g dissolves:
22.1g naphthalene;    18.5g phenanthrene;    8.9g 1,3-dinitrobenzene
1g dissolves in:
4.39g 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