Oxalic acid

HCID 178534489CAS 68603-87-2

Basic information

Standard SMILES
O=C(O)C(=O)O
InChIKey
MUBZPKHOEPUJKR-UHFFFAOYSA-N
Molecular formula
C2H2O4
Average molar mass
90.03 g/mol

Names & identifiers

Preferred name
Oxalic acid
English name
Oxalic acid
Molecular formula
C2H2O4
Molecular weight
90.03

Names & synonyms

ETHANEDIOIC ACIDOXALIC ACIDI-CARBOXYLIC ACIDMixed dibasic acidOxadic acidSokalan DCSCarboxylic acids, di-, C4-6PH STANDARD SOLUTION OXALATE BUFFEROXALATE ION CHROMATOGRAPHY STANDARD6&rsquo

Database identifiers

CAS
68603-87-2

Properties

Physicochemical properties

Melting point
189.5 °C · 189.5 °C (dec.)(lit.)
Boiling point
337.5 ℃[at · 337.5℃[at 101 325 Pa]
Density
0.99 g/mL · 0.99 g/mL at 25 °C
vapor density
4.4 · 4.4 (vs air)
vapor pressure
0.01 mm · <0.01 mm Hg ( 20 °C)
pka
4.43 · 4.43[at 20 ℃]

Safety & regulation

Safety data

wgk
1
tsca
TSCA listed
rtecs
RO2450000
ridadr
UN 3261 8/PG 3
risk_code
21/22
Signal word
Danger

Chemistry & industry

Suppliers50 total

南通润丰石油化工有限公司66017690 19952660367 · [email protected]
山东隆汇化工有限公司531-88613858 15562516958 · [email protected]
上海协瑞实业发展有限公司021-64695700 · [email protected]
广州隽沐生物科技股份有限公司020-36607679; 13502246435 · [email protected]
武汉欣扬瑞和化学科技有限公司153-07155313 15307155313 · [email protected]

Related reactions

0 records

No reaction records under the current filter.

Linked notes

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