Glutaraldehyde

Glutaraldehyde, also known as pentanedial, glutaric dialdehyde, or 1,5-pentanedial, is an organic compound with the molecular formula C₅H₈O₂ and CAS Registry Number 111-30-8. It appears as a colorless to pale yellow liquid with a pungent odor.

Appearance:
Colorless to light transparent liquid
CAS No.:
111-30-8
Molecular Formula:
C5H8O2
Molecular Weight:
100.12
EINECS:
203-856-5
Solubility:
Insoluble in water

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Product Description

Product Description

Glutaraldehyde, a powerful organic dialdehyde compound widely used as a high-level disinfectant, sterilant, and industrial biocide. It appears as a colorless to pale yellow liquid with a pungent odor.

Technical Specifications

ITEMS	SPECIFICATIONS
Appearance	Colorless to light yellow transparent liquid
Glutaraldehyde Content	≥50%
PH Value	3.1-4.5
Color (Pt/Co)	≤50
Methanol	≤0.5%
Density (g/ml@20℃）	1.127-1.133

Package & Storage

25kg or 220kg/plastic drum or 1100kg/IBC tank.
Stored in a cool, well-ventilated area; tightly closed containers to minimize polymerization and vapor release.

Benefits of Glutaraldehyde

Glutaraldehyde delivers exceptional performance across demanding applications:

Broad-Spectrum Biocidal Activity:

Effective against Gram-positive and Gram-negative bacteria, mycobacteria, viruses (including enveloped and non-enveloped), and bacterial spores.

High-Level Disinfection and Sterilization:

Ideal for cold sterilization of heat-sensitive medical and dental equipment where heat or steam cannot be used.

Cross-Linking Agent:

Provides durable protein fixation in histology, electron microscopy, and tissue preservation.

Industrial Biocide:

Controls microbial growth in oil & gas operations, cooling water systems, and process water to prevent corrosion and biofouling.

Versatile Compatibility:

Stable in acidic form for storage; activates quickly in alkaline conditions for maximum efficacy.

Applications and Uses of Glutaraldehyde

Glutaraldehyde serves critical roles in multiple industries:

Healthcare and Medical

High-level disinfection and cold sterilization of endoscopes, bronchoscopes, dialysis equipment, and other heat-sensitive instruments.
Tissue fixation in pathology and histology laboratories.
Hardener in X-ray film processing.

Industrial and Oil & Gas

Biocide in oil recovery, pipelines, hydrofracking fluids, and produced water systems to inhibit sulfate-reducing bacteria and prevent MIC (microbiologically influenced corrosion).
Microbial control in cooling towers, industrial water treatment, and wastewater systems.

Other Uses

Leather tanning agent to improve durability and resistance.
Preservative in select formulations and embalming fluids.
Cross-linking in paper, textile, and adhesive production.

Frequently Asked Questions (FAQs)

Q: Is Glutaraldehyde safe for high-level disinfection in healthcare?

A: Yes, when used according to guidelines, it is cleared for high-level disinfection and cold sterilization of medical devices. Proper ventilation and PPE are essential due to its irritant and sensitizing properties.

Q: What are the main industrial applications of Glutaraldehyde?

A: Key uses include biocidal control in oil & gas operations (pipelines, fracking fluids), industrial water treatment, leather tanning, and as a cross-linking agent in manufacturing.

Q: How should Glutaraldehyde be stored?

A: Store in a cool, dark, well-ventilated area in tightly closed original containers. Protect from light and heat to maintain stability and prevent polymerization.

Q: Can Glutaraldehyde be used as a tissue fixative?

A: Yes, it is widely used in histology and electron microscopy for excellent protein cross-linking and morphological preservation.