Acetic acid

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Acetic acid
Abbreviations AcOH
CAS number 64-19-7 YesY
PubChem 176
ChemSpider 171 YesY
UNII Q40Q9N063P YesY
EC nummer 200-580-7
UN nummer 2789
DrugBank DB03166
KEGG D00010 N
MeSH Acetic+acid
ChEBI CHEBI:15366 YesY
IUPHAR ligand 1058
RTECS nummer AF1225000
ATC code G01AD02,S02AA10
Beilstein Reference 506007
Gmelin Reference 1380
3DMet B00009
Jmol-3D images Image 1
Molecular formula C2H4O2
Molar mass 60.05 g mol−1
Appearance Colourless liquid
Odor vinegar-like
Density 1.049 g cm-3
Meltin pynt

16-17 °C, 289-290 K, 61-62 °F

Boilin pynt

118-119 °C, 391-392 K, 244-246 °F

Solubility in water Miscible
log P -0.322
Acidity (pKa) 4.76
Basicity (pKb) 9.198
Refractive index (nD) 1.371
Viscosity 1.22 mPa s
Dipole moment 1.74 D
Std enthalpy o
-483.88--483.16 kJ mol-1
Std enthalpy o
-875.50--874.82 kJ mol-1
Staundart molar
158.0 J K-1 mol-1
Speceefic heat capacity, C 123.1 J K-1 mol-1
GHS pictograms The flame pictogram in the Globally Harmonized Seestem o Classification an Labelling o Chemicals (GHS) The corrosion pictogram in the Globally Harmonized Seestem o Classification an Labelling o Chemicals (GHS)
GHS signal wird Danger
GHS hazard statements H226, H314
GHS precautionary statements P280, P305+351+338, P310
EU Index 607-002-00-6
EU classification Corrosive C
R-phrases R10, R35
S-phrases (S1/2), S23, S26, S45
NFPA 704
NFPA 704.svg
Explosive leemits 4-16%
LD50 3.31 g kg-1, oral (rat)
Related compounds
Relatit carboxylic acids Formic acid
Propionic acid
Relatit compoonds Acetaldehyde

Acetic anhydride
Acetyl chloride
Ethyl acetate
Potassium acetate
Sodium acetate
Thioacetic acid

 N (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Acetic acid /əˈstɨk/ (seestematically named ethanoic acid /ˌɛθəˈnɨk/) is an organic compoond wi the chemical formula CH3COOH (an aa written as CH3CO2H or C2H4O2).

References[eedit | eedit soorce]

  1. IUPAC, Commission on Nomenclature of Organic Chemistry (1993). "Table 28(a) Carboxylic acids and related groups. Unsubstituted parent structures". A Guide to IUPAC Nomenclature of Organic Compounds (Recommendations 1993). Blackwell Scientific publications. ISBN 0-632-03488-2. 
  2. "Acetic Acid - PubChem Public Chemical Database". The PubChem Project. USA: National Center for Biotechnology Information. 
  3. IUPAC Provisional Recommendations 2004 Chapter P-12.1; page 4
  4. Scientific literature reviews on generally recognized as safe (GRAS) food ingredients. National Technical Information Service. 1974. p. 1. 
  5. "Chemistry", volume 5, Encyclopedia Britannica, 1961, page 374