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Product Name: Cerium-Magnesium Alloy Powder
Chemical Family: Rare earth metal alloy
CAS Number: 7440-45-1 (Cerium), 7439-95-4 (Magnesium)
Synonyms: Ce-Mg alloy powder
Manufacturer: [Company Name], [Street Address], [City], [State], [Zip Code], [Country]
Contact Information: [Phone Number], [Email Address]
Emergency Contact: [Emergency Number], [Available Hours of Operation]
Hazard Classification: Flammable solid, Water-reactive, May cause irritation to skin, eyes, or respiratory tract
Signal Word: Danger
Hazard Statements: May ignite spontaneously in air, Gas production with water contact, Releases flammable gases, Dust may form explosive mixtures with air, Irritant to bodily tissues
Precautionary Statements: Keep away from moisture and heat, Prevent dust accumulation, Avoid breathing dust, Use protective gear, Store under inert atmosphere
GHS Pictograms: Flame, Exclamation mark
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Possible Symptoms: Cough, sore throat, redness, dry skin, eye pain, nausea (rare)
Substance: Cerium-Magnesium Alloy Powder
Cerium Content: 60–90% by weight (CAS 7440-45-1)
Magnesium Content: 10–40% by weight (CAS 7439-95-4)
Impurities: Trace amounts of lanthanum, neodymium, or other rare earth metals
Physical Form: Fine, metallic gray powder
Inhalation: Move to fresh air, ensure clear breathing, offer oxygen if needed, seek medical help for symptoms like coughing or wheezing
Skin Contact: Gently brush off excess powder, wash skin with mild soap and water, remove contaminated clothing, seek help for irritation
Eye Contact: Rinse eyes under running water for at least 15 minutes, keep eyelids open, seek eye specialist immediately due to risk of abrasive particles
Ingestion: Rinse mouth thoroughly, never give anything by mouth if unconscious, seek medical attention immediately
General Advice: Show MSDS to treating physician
Suitable Extinguishing Media: Class D fire extinguisher (dry powder such as graphite, sodium chloride, or sand); do not use water or carbon dioxide
Special Hazards: Intense heat, bright light, release of hydrogen gas on contact with water, re-ignition possible
Firefighting Instructions: Evacuate area, keep upwind, use full protective gear, avoid inhaling fumes
Protective Equipment: Self-contained breathing apparatus, heat-resistant suit
Hazardous Combustion Products: Magnesium oxide, cerium oxides, hydrogen gas, fine metallic particulates
Advice for Firefighters: Remain alert for possible re-ignition and avoid water streams
Personal Precautions: Remove all sources of ignition, ventilate area well, use non-sparking tools, wear full PPE, control dust with local exhaust
Environmental Precautions: Prevent entry into waterways, drains, or soil
Cleanup Procedures: Sweep up powder gently with non-sparking tools, avoid generating dust, collect in sealable, inert containers, avoid use of water
Disposal: Seal contaminated material for disposal as hazardous waste under local regulations
Further Measures: Decontaminate equipment, wash thoroughly after cleanup
Safe Handling: Operate in dry, well-ventilated workspace, avoid contact with water or moisture, open containers carefully, prevent buildup of powder or dust, ground all equipment, avoid inhaling dust or fumes
Storage Conditions: Store in tightly closed containers, away from water, acids, oxidizers, and sources of ignition, use inert gas blanketing where possible (such as argon), maintain storage temperature below 25°C, keep away from incompatible materials
Storage Area Requirements: Fire-resistant, well-marked, ventilated, dry area with appropriate signage
Exposure Limits: Cerium: TLV (ACGIH) 1 mg/m³ as dust, Magnesium: no established exposure limit for metallic form
Engineering Controls: Local exhaust ventilation, explosion-proof equipment
Personal Protective Equipment: Safety goggles or full face shield, flame-retardant gloves, antistatic protective clothing, NIOSH-approved respirator (in absence of adequate ventilation)
Hygiene Measures: Wash hands and face after handling, do not eat, drink or smoke during use, regularly change contaminated clothing
Environmental Exposure Control: Equip facility with spill containment and explosion suppression apparatus
Appearance: Metallic gray powder
Odor: Odorless
Odor Threshold: Not applicable
pH: Not applicable
Melting Point/Range: 593°C to 850°C (depending on composition)
Boiling Point: Not established for mixture
Flash Point: Not applicable (solid)
Evaporation Rate: Not applicable
Flammability: Highly flammable in powder form
Explosive Limits: Dust may explode in air at concentrations above 50 g/m³
Vapor Pressure: Negligible at room temperature
Vapor Density: Not applicable
Relative Density: 1.65–6.8 g/cm³
Solubility in Water: Reacts violently, not soluble
Partition Coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: 310°C–460°C (for magnesium powders)
Decomposition Temperature: Not established
Viscosity: Not applicable
Chemical Stability: Stable in sealed containers under inert atmosphere and dry conditions
Reactivity: Violent reaction with water, moist air, acids, and oxidizers
Possible Hazardous Reactions: May produce hydrogen gas with water, which can ignite or explode, forms oxides upon heating
Conditions to Avoid: Exposure to water, humid air, heat sources, mechanical shock, static discharge
Incompatible Materials: Water, acid, carbon dioxide, halogens, oxidizing agents
Hazardous Decomposition Products: Cerium oxides, magnesium oxide, hydrogen gas, fine particulates
Routes of Exposure: Inhalation, skin, eyes, ingestion
Acute Effects: Irritation of eyes, skin, respiratory system; coughing, sore throat, temporary lung discomfort
Chronic Effects: Persistent exposure may result in lung or kidney effects; long-term inhalation linked to rare earth pneumoconiosis (limited evidence)
Toxicological Data: Cerium LD50 (oral, rat) >5,000 mg/kg; magnesium considered low toxicity
Carcinogenicity: No component known to be carcinogenic to humans
Other Data: Not classified as mutagenic, teratogenic, or reproductive toxin under current guidelines
Ecotoxicity: Cerium and magnesium compounds may be toxic to aquatic life at sufficient concentrations
Persistence and Degradability: Metallic form may persist, oxidizes slowly in environment
Bioaccumulation Potential: Low potential for bioaccumulation
Mobility in Soil: Low when dry, may migrate if converted to soluble salts by acid rain
Other Adverse Effects: Release of powder to water increases risk of fire/explosion, can deplete oxygen in water
Waste Treatment Methods: Collect and place in sealed containers under inert atmosphere
Disposal Method: Treat as hazardous waste; dispose with licensed hazardous waste contractor, reference local, state, and federal regulations
Disposal of Packaging: Contaminated containers must be cleaned before recycling or disposal, avoid contact of residues with water
Special Precautions: Do not flush into sewer, avoid release to environment, label containers adequately
UN Number: UN 1418, UN 2650 (for magnesium or magnesium alloys, powder)
Proper Shipping Name: Magnesium powder or Cerium alloy powder
Transport Hazard Class: 4.1 (Flammable solids)
Packing Group: II
Labeling Requirements: Flammable solid, keep dry, handle as hazardous cargo
Special Provisions: Protect from moisture, avoid vibration or mechanical damage
Transportation Modes: Approved for land, sea, or air shipment under Dangerous Goods guidelines
Environmental Hazards: Marine pollutant (if discharged)
OSHA Classification: Hazardous
SARA 302/304: Not listed
SARA 313: Not subject to reporting
RCRA Status: Hazardous waste if discarded
TSCA Inventory: All components listed or exempt
EINECS: Cerium (231-154-9), Magnesium (231-104-6)
Canadian WHMIS: Class B4 (Flammable solid), Class D2B (Toxic material causing other chronic effects)
Other Regulatory Data: Comply with all applicable local, national, and international transportation and handling regulations, maintain occupational exposure below recommended thresholds, proper labeling and training required for workplaces
