Acetic acid

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Acetic acid
Skeletal formula o acetic acid
Spacefill model o acetic acid
Skeletal formula o acetic acid wi aw explicit hydogens addit
Baw an stick model o acetic acid
Sample o acetic acid in a reagent bottle
IUPAC name
Acetic acid[3][4]
Seestematic IUPAC name
Ethanoic acid[5]
Ither names
Methanecarboxylic acid[1][2]
Jmol-3D images Image
3DMet {{{value}}}
Abbreviations AcOH
Beilstein Reference 506007
ChEBI CHEBI:15366 YesY
ChemSpider 171 YesY
DrugBank DB03166 YesY
ECHA InfoCard 100.000.528
EC Nummer 200-580-7
E nummer E260 (preservatives)
Gmelin Reference 1380
KEGG D00010 N
MeSH Acetic+acid
RTECS nummer AF1225000
UNII Q40Q9N063P YesY
UN nummer 2789
Molar mass 60.05 g·mol−1
Appearance Colourless liquid
Odour vinegar-like
Density 1.049 g cm-3
Meltin pynt 16 °C; 61 °F; 289 K
Bylin pynt 118 °C; 244 °F; 391 K
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
Speceefic heat capacity, C 123.1 J K-1 mol-1
Staundart molar
158.0 J K-1 mol-1
Std enthalpy o
-483.88--483.16 kJ mol-1
Std enthalpy o
-875.50--874.82 kJ 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 clessification Corrosive C
R-phrases R10, R35
S-phrases (S1/2), S23, S26, S45
NFPA 704
Flammability code 2: Must be moderately heatit or exposed tae relatively heich ambient temperature before igneetion can occur. Flash pynt atween 38 an 93 °C (100 an 200 °F). E.g., diesel fuelHealth code 3: Short exposur could cause serious temporary or residual injury. E.g., chlorine gasReactivity code 0: Normally stable, even unner fire exposur condeetions, an is nae reactive wi watter. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
Flash pynt 40 °C (104 °F; 313 K)
Explosive leemits 4-16%
Lethal dose or concentration (LD, LC):
3.31 g kg-1, oral (rat)
Relatit compoonds
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
N verify (whit is YesYN ?)
Infobox references

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

References[eedit | eedit soorce]

  1. Scientific literature reviews on generally recognized as safe (GRAS) food ingredients. National Technical Information Service. 1974. p. 1. 
  2. "Chemistry", volume 5, Encyclopedia Britannica, 1961, page 374
  3. 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. 
  4. "Acetic Acid - PubChem Public Chemical Database". The PubChem Project. USA: National Center for Biotechnology Information. 
  5. IUPAC Provisional Recommendations 2004 Chapter P-12.1; page 4