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Product Name: Ytterbium Nitrate
Chemical Formula: Yb(NO3)3
Synonyms: Ytterbium(III) nitrate, Ytterbium trinitrate
CAS Number: 35725-34-9
Manufacturer: Refer to supplier or laboratory
Recommended Use: Research, industrial chemical, electronics, specialty materials
Contact for Information: See supplier documentation for emergency numbers and regulatory department
GHS Classification: Eye Irritant (Category 2A), Skin Irritant (Category 2), Specific Target Organ Toxicity—Single Exposure (Category 3), Hazardous to Aquatic Environment (Category 3)
Pictogram: Exclamation mark, Environmental warning
Signal Word: Warning
Hazard Statements: Causes skin and serious eye irritation, may cause respiratory irritation, harmful to aquatic life
Precautionary Statements: Avoid breathing dust, wash hands thoroughly, use protective equipment, avoid release to the environment
Chemical Name: Ytterbium Nitrate
Chemical Formula: Yb(NO3)3
CAS Number: 35725-34-9
Concentration: Typically >99% Ytterbium Nitrate
Other Components: Minor trace impurities, if present, less than 1%
Inhalation: Move person to fresh air, keep at rest and comfortable for breathing, seek medical attention if irritation persists or symptoms develop
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, seek medical help if irritation continues
Eye Contact: Rinse eyes cautiously with water for at least 15 minutes, remove contact lenses if present and easy to do, obtain medical advice if redness or pain persists
Ingestion: Rinse mouth thoroughly, call poison center or doctor, give water if victim is conscious, do not induce vomiting unless directed by medical personnel
Suitable Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or foam; avoid strong water jet
Special Hazards: May release toxic oxides of nitrogen and yttrium on decomposition
Fire-Fighting Procedures: Firefighters wear self-contained breathing apparatus and protective clothing
Explosion Risk: Product not explosive, oxidizing nitrate can intensify fire in contact with combustibles
Personal Precautions: Evacuate area if needed, wear proper protective equipment such as gloves, goggles, and dust mask, ventilate enclosed spaces
Environmental Precautions: Prevent entry into drains, surface waters, or soil to avoid contamination
Cleanup Procedures: Scoop up material mechanically, avoid creating dust, place in suitable containers for disposal, clean spill area with water after material removal
Precautions for Safe Handling: Use with local exhaust ventilation, minimize dust generation, avoid breathing dust, do not eat, drink or smoke in processing area
Conditions for Safe Storage: Store in original, tightly closed containers in a well-ventilated, dry, and cool place, keep away from incompatible materials such as strong reducing agents or combustibles, protect from moisture and direct sunlight
Incompatible Materials: Organic substances, reducing agents, strong acids, bases
Engineering Controls: Use localized exhaust and general ventilation to control airborne dust
Respiratory Protection: Wear approved dust mask or respirator if exposure limits are exceeded
Hand Protection: Use suitable chemical-resistant gloves
Eye Protection: Wear safety goggles or face shield
Skin Protection: Use lab coats or impervious clothing
Occupational Exposure Limits: Not established for ytterbium nitrate, follow workplace guidelines for nuisance dust
Appearance: White to pale yellow crystalline solid
Molecular Weight: 361.06 g/mol (anhydrous form)
Odor: Odorless
Melting Point: Decomposes before melting (above 80°C for hydrates)
Solubility in Water: Highly soluble
Density: 2.88–3.1 g/cm3 (for hydrates)
pH: Slightly acidic aqueous solution
Vapor Pressure: Not applicable (solid at room temperature)
Boiling Point: Not available
Chemical Stability: Stable under recommended storage conditions
Possibility of Hazardous Reactions: Powerful oxidizer, can react with organic materials and reducing agents
Decomposition Products: Nitrogen oxides, ytterbium oxide
Conditions to Avoid: Excess heat, moisture, improper storage
Incompatible Materials: Strong acids, strong bases, organic combustible materials, reducing agents
Likely Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Health Effects: Irritation of eyes, skin, and respiratory tract; ingestion may cause gastrointestinal upset
Chronic Health Effects: No chronic toxicity well-documented in humans; rare earth nitrates can accumulate in organs with prolonged exposure
Toxicity Data: Data limited; acute oral LD50 (rat) estimated >2,000 mg/kg
Target Organs: Eyes, skin, respiratory system
Aquatic Toxicity: Harmful to aquatic organisms; avoid discharge into water bodies
Environmental Persistence: Nitrate ions contribute to eutrophication, ytterbium compounds persist in soil
Bioaccumulation: Not likely to bioaccumulate, but limited data for ytterbium compounds
Mobility in Soil: Soluble in water, may move in the environment if released
Disposal Methods: Dispose through licensed hazardous waste management contractor, comply with all local, regional, and national regulations
Special Precautions: Do not allow substance to reach sewer or water courses, use appropriate containment during disposal
Disposal of Packaging: Decontaminate and dispose containers according to official regulations
UN Number: Not regulated for transport as a dangerous good in small laboratory quantities; check local regulations for bulk or commercial transport
Transport Hazard Class: Not classified under most transportation regulations
Proper Shipping Name: Ytterbium Nitrate
Packaging Group: Not assigned
Transport Precautions: Keep container tightly sealed, protect against physical damage and moisture
OSHA Status: Not listed as hazardous material under standard U.S. OSHA regulation, but applies as a laboratory chemical
TSCA Inventory: Ytterbium compounds listed
SARA Title III: Not subject to reporting under Sections 302, 304, or 313
WHMIS (Canada): D2B—Toxic material causing other toxic effects
EU Regulation: Classified as hazardous (irritant, aquatic hazard) under CLP Regulation (EC) No 1272/2008
Other National Inventories: Listed or regulated in most jurisdictions; always consult local regulatory lists
