Acetic acid

Acetic acid
Skeletal formula o acetic acid
Skeletal formula o acetic acid
Spacefill model o acetic acid
Spacefill model o acetic acid
Skeletal formula o acetic acid wi aw explicit hydogens addit
Skeletal formula o acetic acid wi aw explicit hydogens addit
Baw an stick model o acetic acid
Baw an stick model o acetic acid
Sample o acetic acid in a reagent bottle
Names
IUPAC name
Acetic acid[3][4]
Seestematic IUPAC name
Ethanoic acid[5]
Ither names
Methanecarboxylic acid[1][2]
Identifiers
3D model (JSmol)
3DMet B00009
Abbreviations AcOH
506007
ChEBI
ChEMBL
ChemSpider
DrugBank
EC Nummer 200-580-7
Gmelin Reference 1380
KEGG
MeSH Acetic+acid
RTECS nummer AF1225000
UNII
UN nummer 2789
Properties
C2H4O2
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
Miscible
log P -0.322
Acidity (pKa) 4.76
Basicity (pKb) 9.198
Refractive index (nD) 1.371
Viscosity 1.22 mPa s
1.74 D
Thermochemistry
Speceefic heat capacity, C 123.1 J K-1 mol-1
Staundart molar
entropy So298 		158.0 J K-1 mol-1
Std enthalpy o
formation ΔfHo298 		-483.88--483.16 kJ mol-1
Std enthalpy o
combustion ΔcHo298 		-875.50--874.82 kJ mol-1
Hazards
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
NFPA 704
NFPA 704 four-colored diamondFlammability 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 code
2
3
0
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).
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Infobox references

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

References

  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. Archived frae the original on 25 December 2018. Retrieved 28 Apryle 2014.
  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

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