chempirical

Acetic acid

C2H4O2CAS 64-19-760.05 g/mol

Open in Covalent MOL file
OOH
Carboxylic acid

Properties

Molecular formula
C2H4O2
Molar mass
60.05 g/mol
Exact mass
60.0211 Da
Density
1.0446 g/mL (at 25 °C)
Melting point
16.6 °C
Boiling point
117.9 °C
pKa
4.76 (25 °C)
Flash point
39.4 °C (closed cup)
Water solubility
miscible
logP
0.09Crippen estimate
Polar surface area
37.3 Ų
H-bond donors / acceptors
1 / 1
Rotatable bonds
0

Hazards

Danger
Flammable (GHS02)Corrosive (GHS05)

Harmonised EU classification (CLP Annex VI), via PubChem.

Precautionary statements

P210, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P403+P235, P405, P501

Identifiers

CAS number
64-19-7
SMILES
CC(=O)O
InChIKey
QTBSBXVTEAMEQO-UHFFFAOYSA-N
InChI
InChI=1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)

Weigh it out

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

Names and synonyms

21 names · show all
  • Ethanoic acid
  • Ethylic acid
  • Glacial acetic acid
  • Methanecarboxylic acid
  • Vinegar acid
  • Ethanoic acid monomer
  • Aci-jel
  • E 260
  • NSC 111201
  • NSC 112209
  • NSC 115870
  • NSC 127175
  • NSC 132953
  • NSC 406306
  • Munger horticultural vinegar plus
  • Weed pharm
  • Engage agro
  • HACP 85
  • Acetic acids
  • Cedrosa
  • Acetic acid HAC

Reactions

Safety data sheets

One stored sheet lists this compound in section 3, matched by the CAS number 64-19-7. Each row opens the sheet with its composition and PDF.

Open in the SDS library

Work with Acetic 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.

(2H3)Acetic (2H)acid1186-52-3Labelled Potassium acetate127-08-2Salt Aluminium diacetate142-03-0Salt Copper(II) acetate142-71-2Salt Lead(II) acetate301-04-2Salt Aluminium triacetate139-12-8Salt Calcium acetate62-54-4Salt Lead(IV) acetate546-67-8Salt Mercury(II) acetate1600-27-7Salt 4-Aminophenylmercuric acetate6283-24-5Salt Basic lead acetate1335-32-6Salt Cobalt(II) acetate71-48-7Salt

Similar compounds

Palladium(II) acetate3375-31-380 % similar Antimony acetate3643-76-380 % similar Rhodium acetate42204-14-880 % similar Antimony(III) acetate6923-52-080 % similar Zirconium acetate7585-20-880 % similar Methacrylic acid79-41-438 % similar Pyruvic acid127-17-335 % similar 3-Methyl-2-butenoic acid541-47-932 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Methyl formate107-31-3

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia