2-Oxoacetic acid

Modify Date: 2026-07-06 22:48:23

2-Oxoacetic acid Structure
2-Oxoacetic acid structure
Common Name 2-Oxoacetic acid
CAS Number 563-96-2 Molecular Weight 92.051
Density 1.33 g/mL at 20ºC Boiling Point 100ºC
Molecular Formula C2H4O4 Melting Point 48-52ºC
MSDS Chinese USA Flash Point >110ºC
Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Glyoxylic acid monohydrate
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.33 g/mL at 20ºC
Boiling Point 100ºC
Melting Point 48-52ºC
Molecular Formula C2H4O4
Molecular Weight 92.051
Flash Point >110ºC
Exact Mass 92.010956
PSA 63.60000
Index of Refraction n20/D 1.414
InChIKey MOOYVEVEDVVKGD-UHFFFAOYSA-N
SMILES O.O=CC(=O)O
Storage condition 2-8°C
Water Solubility H2O: 0.1 g/mL, clear | Freely soluble

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H317-H318
Precautionary Statements P280-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes Xi:Irritant
Risk Phrases R41;R43
Safety Phrases S24-S26-S37/39
RIDADR UN 3261
WGK Germany 1
RTECS MD4550000
Packaging Group III
Hazard Class 8

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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2-Oxoacetic acid Structure

2-Oxoacetic acid

CAS#:563-96-2

Learn More
Literature: Collection of Czechoslovak Chemical Communications, , vol. 24, p. 2532,2539, 2541 Acta Chemica Scandinavica, Series A: Physical and Inorganic Chemistry, , vol. 28, p. 162,167

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2-Oxoacetic acid Structure

2-Oxoacetic acid

CAS#:563-96-2

Learn More
Literature: Collection of Czechoslovak Chemical Communications, , vol. 24, p. 2532,2539, 2541 Acta Chemica Scandinavica, Series A: Physical and Inorganic Chemistry, , vol. 28, p. 162,167

 Articles3

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

J. Org. Chem. 58 , 3231, (1993)

J. Org. Chem. 57 , 362, (1992)

J. Am. Chem. Soc. 109 , 3378, (1987)

 2-Oxoacetic acidBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Binding affinity to Mycobacterium tuberculosis wild type CitA expressed in Escherichi...
Source: ChEMBL
Target: Putative citrate synthase 2
External Id: CHEMBL5260769
Name: TP_TRANSPORTER: uptake in Xenopus laevis oocytes
Source: ChEMBL
Target: Monocarboxylate transporter 4
External Id: CHEMBL2076227
Total 2, Current Page 1 of 1
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Acetic acid, 2-oxo-, hydrate (1:1)
Glyoxylic acid monohydrate
EINECS 206-058-5
MFCD00006958
oxaldehydic acid,hydrate
Oxoacetic acid hydrate (1:1)

 2-Oxoacetic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of Glyoxylic acid monohydrate?
A: SMILES notation of Glyoxylic acid monohydrate is O.O=CC(=O)O.
Q: What is the molecular formula of Glyoxylic acid monohydrate?
A: Molecular formula of Glyoxylic acid monohydrate is C2H4O4.
Q: What are the downstream products of Glyoxylic acid monohydrate?
A: Related downstream products(CAS) of Glyoxylic acid monohydrate: 10490-06-9;104804-41-3;40834-42-2;14661-68-8;141555-52-4;922-68-9;924-44-7;89-91-8;144-62-7;298-12-4.
Q: What is the melting point of Glyoxylic acid monohydrate?
A: Melting point of Glyoxylic acid monohydrate is 48-52ºC.
Q: How is the water solubility of Glyoxylic acid monohydrate?
A: Water solubility of Glyoxylic acid monohydrate: H2O: 0.1 g/mL, clear | Freely soluble.
Q: What is the safety information for Glyoxylic acid monohydrate?
A: Safety information for Glyoxylic acid monohydrate: S24-S26-S37/39.
Q: What is the InChIKey of Glyoxylic acid monohydrate?
A: InChIKey of Glyoxylic acid monohydrate is MOOYVEVEDVVKGD-UHFFFAOYSA-N.
Q: What is the boiling point of Glyoxylic acid monohydrate?
A: Boiling point of Glyoxylic acid monohydrate is 100ºC.
Q: What is the molecular weight of Glyoxylic acid monohydrate?
A: Molecular weight of Glyoxylic acid monohydrate is 92.051.
Q: What are the storage conditions for Glyoxylic acid monohydrate?
A: Storage conditions for Glyoxylic acid monohydrate: 2-8°C.

 2-Oxoacetic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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