Glutaraldehyde is an organic compound. Glutaraldehyde is used to disinfect medical, dental equipment, industrial water treatment and as a chemical preservative.

Glutaraldehyde is a chemical frequently used as a disinfectant and sterilizing agent against bacteria and viruses (2% solution), an embalming fluid and tissue fixative, a component of leather tanning solutions, and an intermediate in the production of certain sealants, resins, dyes, and electrical products.

Characteristics:
Pungent colorless oily liquid. Soluble in water and alcohol.

Physical Properties Of Glutaraldehyde:

Property                                         50%               100%
Freezing point                               -21°C               -14°C
Boiling point                                 101oC             188oC
Density (water = 1)                       1.13                 0.72
Vapour density                               n.a.                 4.1 g/L
Relative density (air = 1)               n.a.                  3.4
Vapour pressure (20°C)             2.03 Pa               –
pH                                              mildly acid           n.a.
Refractive index                           1.421              1.4338
(at 25°C, 589 nm)
N.A. Not applicable.

Chemical Properties Of Glutaraldehyde:

Solubility Soluble in all proportions in water and ethanol; soluble in benzene and ether.
Hydrolysis Stability decreases with increasing pH. 3
pH 5, half-life 508 days.
pH 7, half-life 102 days.
pH 9, half-life 46 days

Uses
Cold disinfectant in the health care industry
Biocide in water treatment
Hardener in x-ray film processing
In tanning as a fixative
In animal housing for disinfection
As a biocide in aquaculture
As an embalming agent
In small quantities as a disinfectant for air ducts.
As a tissue fixative in electron and light microscopy and in histochemistry.
As a biocide in aquaculture.
In small quantities as an embalming agent. and
As a therapeutic agent.

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