Glutaraldehyde is an organic compound with the formula C5H8O2. It is classified as a dialdehyde in which both aldehyde groups are located on the carbon atom. It is a colorless oily liquid at room temperature. It has a pungent, sweet odor. Due to its sterilizing ability, it has found widespread applications in biomedical and industrial fields.
Uses in Healthcare
It is commonly used as a high-level disinfectant and cold sterilizing agent in hospitals. Some of its major applications in healthcare include:
Sterilization of medical and surgical equipment: It is effective in sterilizing heat-sensitive medical equipment such as endoscopes, ultrasound probes, dentures, etc. between each patient use. Its high protein-fixing ability prevents recontamination of sterilized tools.
Disinfection of surfaces: Glutaraldehyde solutions are used to disinfect surfaces in the operation theatre, intensive care units, and other clinical areas. They can inactivate a wide range of microorganisms including bacteria, viruses, fungi, andMycobacterium tuberculosis.
Preservation of biological samples: In research laboratories and histopathology departments, it is commonly used as a fixative to preserve tissues, cells, and biological specimens. It maintains the cellular structures during storage and transport.
Industrial Applications
In addition to its biomedical uses, it finds many industrial applications such as:
Tanning of leathers: It is extensively used in leather tanning industries for tanning of animal hides into leather. It forms cross-linkages within the collagen fibers of hides, making them durable and imparting stretch-resistance properties.
Resin production: It is used as a curing agent during the production of various thermoset resins and polymers. It helps in hardening and crosslinking of resins used in fiberglass, paints, laminates etc.
Disinfectant in food processing: Its solutions act as microbiocidal agents to disinfect surfaces in food manufacturing plants, dairies etc. and ensure the safety of processed foods.
Other industrial uses: Other minor applications of glutaraldehyde include as a fixative in industrial coatings, pulp and paper processing, oil recovery, wood treatment etc.
Health and Safety Considerations
While it has proven benefits in numerous applications, it also poses certain risks if proper safety measures are not followed:
Toxicity: It is toxic if swallowed or inhaled. It can cause skin, eye and respiratory tract irritation upon contact in high concentrations.
Allergenic potential: It is a known sensitizer and prolonged exposure may lead to allergic reactions like asthma in some individuals.
Carcinogenicity: Prolonged inhalation and skin exposures are thought to increase cancer risks according to studies on laboratory animals.
Safe handling: When working with it, appropriate personal protective equipment like gloves, eye wear and protective clothing should be used. Ventilation in work areas must be adequate.
Regulations: Many countries have established exposure limits and safety guidelines for working with it in occupational settings. These should be strictly followed to prevent health hazards.
Alternatives: Lower toxicity alternatives are being explored for some applications of glutaraldehyde like ortho-phthalaldehyde and hydrogen peroxide where the safety risks outweigh benefits.
glutaraldehyde remains an important chemical for sterilization and various industrial applications due to its high antimicrobial efficacy and protein-fixing ability. However, handling it requires proper precautions and safety equipment due to the potential health hazards. Continued research into less toxic alternatives could further improve the safety of workers exposed to glutaraldehyde. With appropriate safety practices, it will continue playing a vital role where no substitutes are available.
*Note:
1. Source: Coherent Market Insights, Public Source, Desk Research
2. We have leveraged AI tools to mine information and compile it
Ravina Pandya
Ravina Pandya,Content Writer, has a strong foothold in the market research industry. She specializes in writing well-researched articles from different industries, including food and beverages, information and technology, healthcare, chemical and materials, etc. LinkedIn