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oxalic acid

File:Oxalsäure2.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ184832· pop 69· linked from 422 articles

oxalic acid

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Also known as ethanedioic acid, H2ox, HOOCCOOH, ethane-1,2-dioic acid, oxalic acid anhydrous, ethanedionic acid, (COOH)2, dicarboxyl

chemical compound

OverviewAI-generated

Oxalic acid is a chemical compound with the formula C₂H₂O₄. It has a standard enthalpy of formation of -817.38 and a combustion enthalpy of -251.8. The substance exhibits a density of 1.90 and a solubility of 14. Its melting point is 189.5, while its boiling point is 365. The flash point is recorded as 166, and the vapor pressure is 0.001.

The compound has a pKa of 1.19 and an electric dipole moment of 0.0. Its median lethal dose (LD50) is 270. Occupational safety limits include a time-weighted average exposure limit of 1 and a short-term exposure limit of 2. The immediately dangerous to life or health concentration is 500. Oxalic acid has a mass of 89.995 and a weight of 90.03.

Synthesized by Vinony from 33 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.

Chemical data

Formula
C2H2O4
Molecular weight
90.03 g/mol
IUPAC name
oxalic acid
SMILES
C(=O)(C(=O)O)O
InChIKey
MUBZPKHOEPUJKR-UHFFFAOYSA-N
XLogP
-0.3
Polar surface area
74.6 Ų
H-bond donors
2
H-bond acceptors
4
Formal charge
0

via PubChem

Research

19,641 papers

via PubMed

~15 min read

Encyclopedic overview

Oxalic acid dihydrateOxalic acid dihydrate

Names

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

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