While *gluteraldehyde* dominates industry labeling, technical docs might reference:
Pentanedial
Glutaric dialdehyde
BP Grade Solution
Glutaric dialdehyde solution
Glutaraldehyde disinfectant
Property Value
CAS Registry 111-30-8
Formula C₅H₈O₂
Molecular Weight 100.12 g/mol
Density (20°C) 1.058 g/mL
Phase Transition Liquid form down to -15°C
Boiling Point Evaporates around 100°C
Water Affinity Fully miscible
Visual Profile Clear-to-amber aqueous liquid
With its dual reactive aldehyde groups positioned at each end of a five-carbon chain, glutaraldehyde demonstrates profound protein-binding capacity. This molecular "handshake" capability drives its diverse functionality - locking structures into place from cellular components to polymer backbones.
What lab managers need in practice:
Seal tight: It readily absorbs atmospheric moisture
Temperature matters: Keep below 30°C for stability
Light-sensitive: Store containers away from direct sunlight
Chemical neighbors: Isolate from oxidizers/acids
Material watch: Avoid metal containers - reactions occur
Location: Designated well-ventilated storage spaces prove safest
Clinicians lean heavily on glutaraldehyde's tissue-fixing antimicrobial punch when heat sterilization isn't viable. You'll find it working behind scenes disinfecting colonoscopy scopes or preserving slide-mounted biopsies.
Instruments: Cold sterilization for heat-sensitive surgical tools
Histology: Prime choice for stabilizing cellular architecture
Ocular Precautions: Used cautiously across ophthalmology
Treating industrial cooling systems? Glutaraldehyde efficiently penetrates slimy biofilms at 50-100 ppm dosing. Field technicians favor blending it with quat disinfectants – the combination hits pathogens broadly while avoiding troubling foams that disrupt flow rates.
Downhole chemistry reveals glutaraldehyde's stamina. Where milder biocides falter amid punishing salinity, pressure, and pH swings, it persistently suppresses sulfate-reducing bacteria threatening metal integrity. Production engineers note dual benefits: biocidal action against corrosion microbes plus viscosity-enhancing crosslinking in fracking fluids.
Leather Crafting: Tanneries harness its crosslinking strength to stabilize collagen into flexible, water-resistant hides without stiffening cracks.
Woodworking: Wood processors combat mildew infestations by altering proteins within wood cells – disrupting pests’ habitats.
Polymer Synthesis: Chemists leverage glutaraldehyde as molecular glue:
Building antibacterial hydrogels for wound care
Reinforcing histological resin matrices
Creating sustained-drug-release scaffolds
Don’t underestimate this potent compound:
Respiratory caution: Storage areas require robust ventilation
Direct contact: Safety goggles and gloves essential against skin/nose/throat irritancy
Environmental note: While biodegradable at low concentrations, effluent protocols vary – municipal water systems often mandate pretreatment before disposal.
What emerges across these applications is a consistent theme: glutaraldehyde delivers covalent bonding power with remarkable environmental resilience. That signature two-carbonyl geometry executes precise chemistry – preserving tissue microstructure for pathologists, preventing bacterial warfare on surgical tools, locking timber against invaders, or stabilizing downhole viscosities under extremes. These aren't disconnected functions but manifestations of core dialdehyde reactivity adapted to distinct operational demands. When reliability across domains matters, glutaraldehyde remains entrenched as the solution of first recourse