oxaldehyde

• ChemBase ID: 107398
• Molecular Formular: C2H2O2
• Molecular Mass: 58.03608
• Monoisotopic Mass: 58.0054793
• SMILES: O=CC=O
• Canonical SMILES: O=CC=O
• InChI: InChI=1S/C2H2O2/c3-1-2-4/h1-2H
• InChIKey: LEQAOMBKQFMDFZ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: oxaldehyde
• IUPAC Traditional name: glyoxal
• Synonyms: Glyoxal; GLYOXAL, POWDER (TRIMER); GLYOXAL, 40% (W/W); oxalaldehyde; Ethanedial; Oxalaldehyde; Glyoxal solution; ethane-1,2-dione; Glyoxal; 乙二醛; 草酸醛; 草醛; 乙二醛 溶液

Database IDs

• CAS Number: 107-22-2
• EC Number: 203-474-9
• MDL Number: MFCD00006957
• Beilstein Number: 1732463
• Merck Index: 144509
• PubChem SID: 162094592; 24847859; 24873387
• PubChem CID: 7860
• CHEBI ID: 34779
• Chemspider ID: 7572
• KEGG ID: C14448
• Unique Ingredient Identifier: 50NP6JJ975
• Wikipedia Title: Glyoxal

CALCULATED PROPERTIES

• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): -0.0035985073
• LogD (pH = 7.4): -0.0035985073
• Log P: -0.0035985073
• Molar Refractivity: 12.5614 cm^3
• Polarizability: 4.6665406 Å^3
• Polar Surface Area: 34.14 Å^2
• Rotatable Bonds: 1
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: -14°C; 15°C
• Boiling Point: 104°C; 51°C
• Flash Point: -4 °C, 269 K, 25 °F
• Auto Ignition Point: 285 °C, 558 K, 545 °F; 545 °F
• Density: 1.265 g/mL at 25 °C; 1.27 g/cm^3; 1.270 g/ml; 1.271
• Refractive Index: 1.4090; n20/D 1.4087; n20/D 1.409
• Vapor Pressure: 18 mmHg ( 20 °C)
• Vapor Density: >1 (vs air)
• Heat Capacity: 1.044 J/k/g

Safety Information

• RTECS: MD2650000; MD2700000
• European Hazard Symbols: X; Harmful (Xn)
• German water hazard class: 3
• Risk Statements: 20-36/38-43-68; R:20-36/38-40-43
• Safety Statements: 26-36/37; 36/37; S:36/37
• TSCA Listed: 是
• GHS Pictograms: GHS06; GHS07; GHS08
• GHS Signal Word: Danger
• NFPA704:
  

  1

  2

  1
• GHS Hazard statements: H315-H317-H319-H331-H341; H341-H315-H319-H317-H333
• GHS Precautionary statements: P261-P280-P305 + P351 + P338-P311; P261-P305+P351+P338-P302+P352-P321-P405-P501A
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• Storage Temperature: 2-8°C

Product Information

• Purity: 40% w/w aq. soln.; 76%
• Concentration: ~40% in H2O (~8.8 M); 40 wt. % in H2O
• Grade: CP; for molecular biology
• Impurities: DNases, none detected; phosphatases, none detected; proteases, none detected; RNases, none detected
• Cation Traces: Ca: ≤5 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤300 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• Antion Traces: chloride (Cl-): ≤100 mg/kg; sulfate (SO42-): ≤100 mg/kg
• Product Line: BioReagent
• Linear Formula: OHCCHO

DETAILS

MP Biomedicals - 05203542

MP Biomedicals Rare Chemical collection

MP Biomedicals - 05203586

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 50649

Caution
May precipitate on storage; redissolve at 50-60 °C.
Other Notes
This form of glyoxal is composed of 3 moles of glyoxal and 2 moles of water in a relatively stable configuration.
Useful as a specific probe for the homopurine strand of DNA as it forms a stable product with guanine residues1; Promotes binding of DNA and RNA to nitrocellulose paper2; Agarose gel electrophoresis of glyoxal denatured RNA with silver staining3; Nucleic acid denaturant4

Sigma Aldrich - 50660

Caution
may precipitate on storage; redissolve at 50-60°C
Other Notes
This form of glyoxal is composed of 3 moles of glyoxal and 2 moles of water in a relatively stable configuration.

Sigma Aldrich - 50650

Caution
may precipitate on storage; redissolve at 50-60°C
Other Notes
This form of glyoxal is composed of 3 moles of glyoxal and 2 moles of water in a relatively stable configuration.
What you can do with glyoxal, review1; Reacts with guanidino groups. Modification of bovine erythrocyte superoxide dismutase2

Sigma Aldrich - 128465

Other Notes
This form of glyoxal is composed of 3 moles of glyoxal and 2 moles of water in a relatively stable configuration.
Packaging
1, 3 kg in poly bottle
5 g in glass bottle
100 g in poly bottle
22, 50 kg in poly drum

Sigma Aldrich - 12-1370

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

REFERENCES

• For use in the chemoselective hydrolysis of amides in the presence of esters, see Copper(II) chloride dihydrate, A16064.
• For use in the synthesis of bicyclic diketones, see Dimethyl acetone-1,3-dicarboxylate, A14969.