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acetic acid

File:Acetic-acid-2D-skeletal.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ47512· pop 95· linked from 1,778 articles

acetic acid

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Also known as ethanoic acid, methanecarboxylic acid, ethylic acid, ethoic acid

chemical compound

OverviewAI-generated

Acetic acid is a chemical compound with the formula C₂H₄O₂ and a molecular weight of 60.05. It has a melting point of 62 and a boiling point of 244. The substance exhibits a density of 1.05, a vapor pressure of 100, and a surface tension of 27.1. Its refractive index is 1.372, and it has a pKa of 4.756.

Safety data for acetic acid includes a flash point of 103 and an autoignition temperature of 427. The lower flammable limit is 4, while the upper flammable limit is 19.9. The immediately dangerous to life or health concentration is 123. Exposure limits include a time-weighted average of 25 and a short-term limit of 37. Toxicity measures list a median lethal dose of 4960 and a minimal lethal dose of 600.

The compound has a partition coefficient water/octanol of -0.17 and an ionization energy of 10.66. It contains one hydrogen bond donor and two hydrogen bond acceptors. Acetic acid is referenced by 1,778 other encyclopedia articles.

Synthesized by Vinony from 36 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

In the Vinony graph

Vinony's link graph records 1,778 inbound references to acetic acid, and connects out to acid, infection and odor.

It is catalogued under topics including Acetic acids, Acetyl compounds and Acids in wine.

Vinony links it to 93 Wikipedia language editions.

Chemical data

Formula
C2H4O2
Molecular weight
60.05 g/mol
IUPAC name
acetic acid
SMILES
CC(=O)O
InChIKey
QTBSBXVTEAMEQO-UHFFFAOYSA-N
XLogP
-0.2
Polar surface area
37.3 Ų
H-bond donors
1
H-bond acceptors
2
Formal charge
0

via PubChem

Drug data · ChEMBL

Max clinical phase
Approved
Molecule type
Small molecule
First approval
1982
Admin. routes
topical
Indications
drug-induced liver injury, inflammation, injury, Skin ulcer

via ChEMBL · EBI

Research

216,448 papers

via PubMed

Wikidata facts

Part of
vinegar
Has part
oxygen
Named after
vinegar
Mass
60.021129366
Image
Acetic acid.jpg
Autonomy
427
Show 32 more facts
lower flammable limit
4
Commons category
Acetic acid
NIOSH Pocket Guide ID
0002
density
1.0446
immediately dangerous to life or health
123
boiling point
117.9
melting point
17
vapor pressure
100
flash point
39
upper flammable limit
19.9
ionization energy
10.66
time-weighted average exposure limit
25
short-term exposure limit
37
chemical formula
C₂H₄O₂
canonical SMILES
CC(=O)O
pKa
4.756
medical condition treated
otitis externa
median lethal dose (LD50)
1060
surface tension
22.13
minimal lethal dose
308
partition coefficient water/octanol
-0.17
phase point
critical point
refractive index
1.372
dynamic viscosity
0.464
standard enthalpy of formation
-487
electric dipole moment
1.70
NCI Thesaurus ID
C61623
subject has role
primary metabolite
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
minimal lethal concentration
16000
median lethal concentration (LC50)
11000
Sources (8)

via Wikidata · CC0

~33 min read

Encyclopedic overview

Sample of acetic acid in a reagent bottle

Names

Excerpted from Wikipedia’s “acetic acid” article, available under the CC BY-SA 4.0 licence.

Gallery (13)

Connections

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