Butyric acid

C4H8O2CAS 107-92-688.11 g/mol

Open in Covalent MOL file
OOH
Carboxylic acid

Properties

Molecular formula
C4H8O2
Molar mass
88.11 g/mol
Exact mass
88.0524 Da
Density
0.9577 g/mL (at 20 °C)
Melting point
−7.9 °C
Boiling point
165.5 °C
pKa
4.82 (25 °C)
Flash point
71.7 °C (closed cup)
Water solubility
miscible
logP
0.87Crippen estimate
Polar surface area
37.3 Ų
H-bond donors / acceptors
1 / 1
Rotatable bonds
2

Hazards

Danger
Corrosive (GHS05)

Harmonised EU classification (CLP Annex VI, index 607-135-00-X), via PubChem.

Precautionary statements

P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, P501

Identifiers

CAS number
107-92-6
SMILES
CCCC(=O)O
InChIKey
FERIUCNNQQJTOY-UHFFFAOYSA-N
InChI
InChI=1S/C4H8O2/c1-2-3-4(5)6/h2-3H2,1H3,(H,5,6)

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

8 names
  • Butanoic acid
  • n-Butyric acid
  • Ethylacetic acid
  • 1-Propanecarboxylic acid
  • Propylformic acid
  • n-Butanoic acid
  • Honey robber
  • NSC 8415

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 107-92-6. Each row opens the sheet with its composition and PDF.

Open in the SDS library

Work with Butyric acid

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Boiling point under vacuumAt any pressure, from its normal boiling point Isotope patternExact mass and the mass spectrum pattern

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Sodium butyrate156-54-7Salt Calcium butyrate5743-36-2Salt

Similar compounds

Valeric acid109-52-471 % similar Caproic acid142-62-168 % similar Pentadecylic acid1002-84-265 % similar Enanthic acid111-14-865 % similar Pelargonic acid112-05-065 % similar Undecylic acid112-37-865 % similar Behenic acid112-85-665 % similar Caprylic acid124-07-265 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Same formula

3-Hydroxybutanal107-89-1 2-Butene-1,4-diol110-64-5 Propyl formate110-74-7 1,4-Dioxane123-91-1 Ethyl acetate141-78-6 1,4-Dioxane-D817647-74-4 2-Methylene-1,3-propanediol3513-81-3 3-Hydroxytetrahydrofuran453-20-3

Elsewhere

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