乙二醛

Glyoxal is used to prepare 4,5-dihydroxy-2-imidazolidinone by condensation with urea. It finds application in leather tanning process, textile finishes and paper coatings. It is an important building block in the synthesis of imidazoles. It acts as a solubilizer and cross-linking agent in polymer chemistry. Further, it is used as a fixative for histology to preserve cells in order to examine under a microscope.

Moisture and heat sensitive. Incompatible with strong oxidizing agents, strong reducing agent, oxygen, peroxides, amides, amines, hydroxy-containing materials, nitric acid and aldehydes.

MFCD00006957

203-474-9

C₂H₂O₂

58.04

-14°

104°

1.271

1.4090

Ambient temperatures.

Liquid

Miscible with water, methanol and dimethylsulfoxide.

1732463

14,4509

20-36/38-43-68
Harmful by inhalation.Irritating to eyes and skin.May cause sensitization by skin contact.Possible risk of irreversible effects.

26-36/37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves.

MD2700000

 

是

  

H332-H315-H319-H317-H341
Harmful if inhaled.Causes skin irritation.Causes serious eye irritation.May cause an allergic skin reaction.Suspected of causing genetic defects.

P201-P261-P280-P305+P351+P338-P405-P501a
Obtain special instructions before use.Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves/protective clothing/eye protection/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.