glyoxal n.
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Glyoxal. By: Alexis Howes. Molecular Formula: C 2 H 2 O 2 Molecular mass: 58.04 g/mol Density: 1.27 g/cm 3 Melting Point: 15  °C, 288 K, 59 ° F Boiling Point: 51 °C, 324 K, 124 °F Solubility in Water: Yes Yellow colored. First made by N. Lubawin in 1875

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glyoxal

Glyoxal

By: Alexis Howes

slide2

Molecular Formula: C2H2O2

  • Molecular mass: 58.04 g/mol
  • Density: 1.27 g/cm3
  • Melting Point: 15 °C, 288 K, 59 °F
  • Boiling Point: 51 °C, 324 K, 124 °F
  • Solubility in Water: Yes
  • Yellow colored
slide3

First made by N. Lubawin in 1875

  • It was first commercial source was in Lamotte, France
  • The simplest dialdehyde- meaning that it’s the smallest form containing two sets of –CHO
  • Synthesis: CHO—CHO
  • It can be synthesized in the lab by oxidizing acetaldehyde with selenious acid
  • This is used on coated paper and in textile finishes as a crosslinker for starch-based formulas
  • It also cross-links in polymer chemistry: proteins (leather tanning process), collagen, cellulosed derivatives (textiles), hydrocolliods, starch (paper coatings)
slide4

Health Effects and toxicity- known to irritate humans on the skin and the mucosal areas, turning the areas red and itchy; if inhaled it may cause loss of breath and coughing; if ingested it may cause nausea and vomiting

  • Health Hazard Symbol- Blue: Health Hazard; Red: Flammability; Yellow: Reactivity; White: Special Notice

Number range-

0-no known hazard

4- most dangerous

work cited
Work Cited:
  • http://dictionary.reference.com/browse/aldehyde
  • http://portal.acs.org/portal/acs/corg/content?_nfpb=true&_pageLabel=PP_ARTICLEMAIN&node_id=841&content_id=CNBP_029696&use_sec=true&sec_url_var=region1&__uuid=26083169-2be2-42b9-9aea-709d25d28b9f
  • http://en.wikipedia.org/wiki/Glyoxal
  • http://www.oroclean.com/infection-control/active-substances/glyoxal/