Ni is identified using
formula for the ros
identified using alcoholic solution of dimethyl glyoxime. Write the structural
le for the rosy red precipitate of a complex formed in the reaction.
Answers
Explanation:
Glyoxal is an organic compound with the chemical formula OCHCHO. It is the smallest dialdehyde (a compound with two aldehyde groups). It is a crystalline solid, white at low temperatures and yellow near the melting point (15 °C). The liquid is yellow, and the vapor is green.[1]
Glyoxal


NamesPreferred IUPAC name
Oxaldehyde
Systematic IUPAC name
Ethanedial
Other names
Glyoxal
Oxalaldehyde
Identifiers
CAS Number
107-22-2 
3D model (JSmol)
Interactive image
ChEBI
CHEBI:34779 
ChemSpider
7572 
ECHA InfoCard100.003.160KEGG
C14448 
PubChem CID
7860
UNII
50NP6JJ975 
CompTox Dashboard (EPA)
DTXSID5025364 
InChI
InChI=1S/C2H2O2/c3-1-2-4/h1-2H 
Key: LEQAOMBKQFMDFZ-UHFFFAOYSA-N 
InChI=1/C2H2O2/c3-1-2-4/h1-2H
Key: LEQAOMBKQFMDFZ-UHFFFAOYAX
SMILES
C(=O)C=O
Properties
Chemical formula
C2H2O2Molar mass58.036 g·mol−1Density1.27 g/cm3Melting point15 °C (59 °F; 288 K)Boiling point51 °C (124 °F; 324 K)Thermochemistry
Heat capacity (C)
1.044 J/(K·g)HazardsNFPA 704 (fire diamond)

1
2
1
Flash point−4 °C (25 °F; 269 K)
Autoignition
temperature
285 °C (545 °F; 558 K)Related compounds
Related aldehydes
acetaldehyde
glycolaldehyde
propanedial
methylglyoxal
Related compounds
glyoxylic acid
glycolic acid
oxalic acid
pyruvic acid
diacetyl
acetylacetone
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 verify (what is  ?)Infobox references
Pure glyoxal is not commonly encountered because it forms hydrates, which oligomerize. For many purposes, these hydrated oligomers behave equivalently to glyoxal. It is produced industrially as a precursor to many products.[2]
Production
Applications
Speciation in solution
Other occurrences
Safety
References
External links