Acetic acid
Appearance
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Names | |||
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IUPAC name | |||
Seestematic IUPAC name
Ethanoic acid[5] | |||
Ither names | |||
Identifiers | |||
3D model (JSmol)
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3DMet | B00009 | ||
Abbreviations | AcOH | ||
506007 | |||
ChEBI | |||
ChEMBL | |||
ChemSpider | |||
DrugBank | |||
EC Nummer | 200-580-7 | ||
Gmelin Reference | 1380 | ||
KEGG | |||
MeSH | Acetic+acid | ||
PubChem CID
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RTECS nummer | AF1225000 | ||
UNII | |||
UN nummer | 2789 | ||
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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 S |
158.0 J K-1 mol-1 | ||
Std enthalpy o formation ΔfH |
-483.88--483.16 kJ mol-1 | ||
Std enthalpy o combustion ΔcH |
-875.50--874.82 kJ mol-1 | ||
Hazards | |||
GHS pictograms | |||
GHS signal wird | Danger | ||
GHS hazard statements | H226, H314 | ||
GHS precautionary statements | P280, P305+351+338, P310 | ||
NFPA 704 | |||
Flash pynt | 40 °C (104 °F; 313 K) | ||
Explosive leemits | 4-16% | ||
Lethal dose or concentration (LD, LC): | |||
LD50 (Median dose)
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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). | |||
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
[eedit | eedit soorce]- ↑ Scientific literature reviews on generally recognized as safe (GRAS) food ingredients. National Technical Information Service. 1974. p. 1.
- ↑ "Chemistry", volume 5, Encyclopedia Britannica, 1961, page 374
- ↑ 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.
- ↑ "Acetic Acid - PubChem Public Chemical Database". The PubChem Project. USA: National Center for Biotechnology Information.
- ↑ IUPAC Provisional Recommendations 2004 Chapter P-12.1; page 4