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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
2-[carboxy(hydroxy)methoxy]-2-hydroxyacetic acid; 2-oxoacetic acid
EC Number:
945-891-5
Molecular formula:
C2H4O4 for Glyoxylic acid monohydrated C4H6O7 for Glyoxylic acid dimer
IUPAC Name:
2-[carboxy(hydroxy)methoxy]-2-hydroxyacetic acid; 2-oxoacetic acid

Type of Substance

Composition:
multi-constituent substance
Origin:
organic

Substance Identifiers

Compositions

Boundary Composition(s) open all close all

State Form:
other: Crystals


Constituent 1
Chemical structure
Reference substance name:
Glyoxylic acid
EC Number:
206-058-5
EC Name:
Glyoxylic acid
CAS Number:
298-12-4
Molecular formula:
C2H2O3
IUPAC Name:
glyoxyl acid
Constituent 2
Chemical structure
Reference substance name:
2,2'-Oxybis(2-hydroxyacetic acid)
CAS Number:
1378685-32-5
Molecular formula:
C4H6O7
IUPAC Name:
2,2'-Oxybis(2-hydroxyacetic acid)

Legal Entity Composition(s) open all close all

State Form:
other: Crystals


Constituent 1
Chemical structure
Reference substance name:
Glyoxylic acid
EC Number:
206-058-5
EC Name:
Glyoxylic acid
CAS Number:
298-12-4
Molecular formula:
C2H2O3
IUPAC Name:
glyoxyl acid
Constituent 2
Chemical structure
Reference substance name:
2,2'-Oxybis(2-hydroxyacetic acid)
CAS Number:
1378685-32-5
Molecular formula:
C4H6O7
IUPAC Name:
2,2'-Oxybis(2-hydroxyacetic acid)
State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
Glyoxylic acid
EC Number:
206-058-5
EC Name:
Glyoxylic acid
CAS Number:
298-12-4
Molecular formula:
C2H2O3
IUPAC Name:
glyoxyl acid
Constituent 2
Chemical structure
Reference substance name:
2,2'-Oxybis(2-hydroxyacetic acid)
CAS Number:
1378685-32-5
Molecular formula:
C4H6O7
IUPAC Name:
2,2'-Oxybis(2-hydroxyacetic acid)

Composition(s) generated upon use

Other types of composition(s)