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Name: Aluminum-Nickel Alloy Hydrogenation Catalyst
Common Use: Facilitates hydrogenation in manufacturing settings, especially in the chemical and pharmaceutical industries
Appearance: Often appears as a silver-gray powder or granules, with a faint metallic sheen
Odor: Typically odorless, though some batches give off a faint metallic scent
Key Hazards: Flammable in certain reactions, reactive with water, can generate hydrogen gas
Health Risks: Inhalation of dust may irritate airways, skin contact brings risk of dermatitis, accidental ingestion poses toxicity risks
Environmental Risks: Runoff or accidental release near waterways introduces heavy metal toxicity to aquatic organisms
Combustion Risk: Mixtures with water or acids can lead to hazardous hydrogen evolution
Primary Components: Aluminum (Al) content from 50–70%, Nickel (Ni) between 20–50%, trace elements possible depending on manufacturer
Possible Impurities: Iron, carbon, silicon, sulfur, and minor transition metals may exist as impurities
Inhalation: Move affected person to fresh air, monitor breathing, seek medical attention if symptoms persist
Skin Contact: Rinse area thoroughly with running water, remove contaminated clothing, apply emollient for irritation
Eye Contact: Flush eyes for at least 15 minutes, keep eyelids open, avoid rubbing
Ingestion: Do not induce vomiting, give water to dilute, seek professional medical support promptly
Suitable Extinguishing Methods: Use class D fire extinguishers or dry sand for localized fires, water worsens reaction due to hydrogen formation
Protective Gear: Full respiratory protection and chemical-resistant clothing required
Special Risks: Exposed catalyst near flames releases flammable gas; keep distance and ventilate area
Containment: Sweep up spills gently, use non-sparking tools, avoid dispersing dust
Environmental Protection: Prevent runoff into drains, isolate area to protect groundwater
Cleanup Procedures: Collect in labeled, sealed containers for proper disposal
Safe Handling: Handle in well-ventilated area, use local exhaust ventilation, avoid direct contact
Storage Conditions: Store in tightly-sealed, moisture-proof containers, away from sources of ignition and incompatible chemicals
Separation from Acids: Keep separate from strong oxidizers, acids, and water
Engineering Controls: Fume hoods, dust extraction systems, and glove boxes help minimize exposure
Personal Protective Equipment: Nitrile gloves, flame-retardant lab coat, safety goggles, and respirator with particulate filter
Work Practice: Wash hands after handling, avoid eating or drinking near the catalyst
Physical State: Solid, granular or powdered
Color: Silvery-gray
Melting Point: Above 600°C, depending on formulation
Density: Ranges from 2.5 to 3.5 g/cm³
Solubility: Insoluble in water, reacts slowly with moisture, releases hydrogen
Odor: Non-pungent, mild metallic
Chemical Stability: Stable under dry, inert conditions
Reactivity: Reacts vigorously with acids and water, producing hazardous gases
Hazardous Decomposition: Hydrogen evolution and possible release of nickel or aluminum salts
Acute Effects: Breathing in fine particles damages lung tissue, repeated exposure can worsen asthma or trigger allergic responses
Chronic Effects: Prolonged contact with nickel compounds linked to dermatitis and increased risk of lung and nasal cancers
Sensitization: Nickel sensitization is well documented among workers handling similar catalysts
Persistence: Both aluminum and nickel linger in soil and water, bioaccumulate in aquatic ecosystems
Toxicity to Aquatic Life: Harmful effects on fish, invertebrates, and plankton observed in contaminated streams
Risks of Wastewater Release: Long-term buildup in sludge and sediment if not filtered out properly
Hazardous Waste Classification: Treated as hazardous due to metal content and reactivity
Preferred Disposal Method: Contract licensed hazardous waste processor, avoid dump sites and incinerators that cannot capture metals
Pre-Disposal Treatment: Neutralize and stabilize if required by local law
Shipping Status: Regulated for transport as combustible or toxic solid, depending on nickel content
Packing: Transport in leak-proof, labeled containers with secondary containment
Accident Risk: Physical shock or contact with moisture can increase hazard during transit
Occupational Exposure Limits: OSHA and ACGIH limit airborne concentrations of both nickel and aluminum dusts
Labeling Requirements: GHS pictograms for harmful, irritant, and environmental hazard symbols
Environmental Safeguards: Adherence to EPA Resource Conservation and Recovery Act for disposal, relevant REACH and TSCA entries for nickel and aluminum
