Skip to Content
Merck
All Photos(2)

Documents

128465

Sigma-Aldrich

Glyoxal solution

40 wt. % in H2O

Synonym(s):

Ethanedial, Oxalaldehyde

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
OHCCHO
CAS Number:
Molecular Weight:
58.04
Beilstein:
1732463
MDL number:
UNSPSC Code:
12352114
PubChem Substance ID:
NACRES:
NA.21

vapor density

>1 (vs air)

Quality Level

vapor pressure

18 mmHg ( 20 °C)

form

liquid

autoignition temp.

545 °F

concentration

40 wt. % in H2O

refractive index

n20/D 1.4087

solubility

water: soluble(lit.)

density

1.265 g/mL at 25 °C

SMILES string

[H]C(=O)C([H])=O

InChI

1S/C2H2O2/c3-1-2-4/h1-2H

InChI key

LEQAOMBKQFMDFZ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

The product is 40wt.% solution of glyoxal in water. Glyoxal is a linear aliphatic dialdehyde containing two aldehyde groups. It participates in the synthesis of glyoxylic acid. It is highly reactive in nature. It can be prepared by oxidizing ethanol or acetaldehyde with nitric acid. It is widely employed in textile and paper industry.

Application

Glyoxal solution has been used as a crosslinking agent during the synthesis of DNA-containing nanoparticles in a study. It has been used as derivatizing reagent, in the precolumn fluorescence derivatization of N-terminal tryptophan containing peptides which can be separated via high performance liquid chromatography. It may also be used in the synthesis of glyoxal bis(4-phenyl-3-thiosemicarbazones)solution, which can be used in the spectrophotometric determination of palladium in catalysts.

Other Notes

This form of glyoxal is composed of 3 moles of glyoxal and 2 moles of water in a relatively stable configuration.

Caution

May precipitate on storage; redissolve at 50-60 °C.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Muta. 2 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Eagleson M.
Concise Encyclopedia Chemistry, 312-312 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 465-465 (1994)
"High-performance liquid chromatography of N-terminal tryptophan-containing peptides with precolumn fluorescence derivatization with glyoxal"
Kai M, et al.
Journal of Chromatography A, 653(2), 235-240 (1993)
Misato Iwashita et al.
Frontiers in cell and developmental biology, 8, 574619-574619 (2020-10-13)
Brain structures are diverse among species despite the essential molecular machinery of neurogenesis being common. Recent studies have indicated that differences in the mechanical properties of tissue may result in the dynamic deformation of brain structure, such as folding. However
Jing Xu et al.
Journal of visualized experiments : JoVE, (59)(59), e3612-e3612 (2012-01-11)
More than 32,000 patients are diagnosed with pancreatic cancer in the United States per year and the disease is associated with very high mortality (1). Urgent need exists to develop novel clinically-translatable therapeutic strategies that can improve on the dismal

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service