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A strong smelling gas sold commercially as a 25% aqueous solution. Glutaraldehyde polymerizes in water to form a clear viscous liquid. It is used as a biocide which acts by disrupting the cells of Lichen, mold, bacteria, and fungi by alkylating and crosslinking the proteins. Glutaraldehyde is also used as a synthetic tanning agent for leathers.

Chemical structure


Synonyms and Related Terms

glutaric dialdehyde; 1,5-pentanedial; glutaral; 1,3-diformylpropane; Cidex; Glutarol; Novaruca; Verucasep; Ucaricide


  • Toxic by inhalation and ingestion.
  • Skin contact causes irritation.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in water.

Composition OHC(CH2)3CHO
CAS 111-30-8
Melting Point -14 C
Density 0.7 g/ml
Molecular Weight mol. wt. = 100.12
Refractive Index 1.4338
Boiling Point 187-189 C (dec)

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4480