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Product Name: Yttrium Nitrate
Chemical Formula: Y(NO3)3·6H2O
CAS Number: 13494-98-9
Synonyms: Nitric acid, yttrium(3+) salt, hexahydrate
Relevant Uses: Laboratory reagent, raw material for ceramics, electronics industry, catalyst manufacturing
Manufacturer Information: Always check specific supply chain data or safety contacts as required under national regulatory guidelines.
Emergency Contact: Refer to local and international emergency response teams or poison control centers for case-specific protocols.
GHS Classification: Eye irritation (Category 2A), Skin irritation (Category 2), Specific target organ toxicity after single exposure (Category 3), Oxidizing solids (Category 3)
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, may cause respiratory irritation, oxidizing properties can intensify fire
Pictograms: Exclamation mark, flame over circle
Precautionary Statements: Avoid inhalation, do not eat or drink around chemical, wash hands thoroughly after handling, wear protective gear at all times
Potential Health Effects: Eye damage, breathing difficulty, dermatitis with repeated contact
Other Hazards: Contact with combustible material increases fire risk, toxic fumes may evolve if heated strongly or involved in a fire.
Chemical Name: Yttrium(III) Nitrate Hexahydrate
Concentration: Typically over 98% as supplied
CAS Number: 13494-98-9
EC Number: 236-826-5
Additional Components: Traces of water of hydration, minor impurities depend on grade and source.
Inhalation: Move victim to fresh air, ensure access to clean oxygen, seek medical advice if irritation or cough persists
Skin Contact: Remove contaminated clothing, wash skin with running water and mild soap for at least 15 minutes, continue to monitor for irritation
Eye Contact: Rinse carefully with water for at least 15 minutes, keep eyelids open and user still, consult medical attention immediately
Ingestion: Rinse mouth carefully, drink water, avoid inducing vomiting, seek out professional medical help
Most Important Symptoms: Sore throat, coughing, burning sensation, vision changes, reddening
Protection for Rescuers: Use gloves, goggles, and face protection if assisting others, isolate contaminated clothing.
Suitable Extinguishing Media: Large amounts of water, water spray, do not use carbon dioxide or dry chemicals which may react or spread contamination
Special Hazards: Releases toxic nitrogen oxides, yttrium oxides, and possible corrosive vapors on combustion
Protective Equipment: Firefighters require self-contained breathing apparatus, full protective clothing
Firefighting Advice: Approach from upwind, keep containers cool using water spray, prevent runoff from entering drainage systems
Explosion Risks: May intensify fires in contact with combustibles, keep stacks away from wood, paper, oil products.
Personal Precautions: Evacuate unnecessary personnel, ventilate area, wear particulate respirators, gloves, goggles, and anti-static footwear
Environmental Precautions: Prevent further leakage or spillage if safe, block entry to drains or surface water, contain spill with inert absorbent material
Cleaning Up: Scoop spilled substance into sealable plastic or steel drums, use damp methods to avoid dust, collect residues in lockable, labeled containers for disposal
Decontamination: Wash down surfaces with plenty of water, ventilate and monitor for vapors before unprotected personnel enter area.
Safe Handling: Operate in chemical fume hoods or well-ventilated workspaces, avoid any dust formation or aerosol generation, wear appropriate PPE including gloves, goggles, and overall protection
Hygiene Measures: Always wash hands, forearms, and face after working, avoid eating, drinking, or smoking in working area
Storage Requirements: Store in tightly sealed containers in cool, dry, and well-ventilated areas, segregate from organics, reducing agents and combustibles, protect from moisture and incompatible materials
Incompatible Materials: Strong acids, organic materials, reducing agents, flammable substances, metallic powders
Packaging Materials: Use non-reactive, chemically resistant containers.
Exposure Limits: Official occupational exposure limits not established for yttrium nitrate; observe national exposure standards where available for related compounds
Engineering Controls: Handle inside certified chemical fume hoods, use local exhaust ventilation at all handling and weighing stations
Personal Protective Equipment: Lab coats or coveralls, rubber or nitrile gloves, safety goggles with side shields, dust masks or respirators with P3 filter cartridge
Respiratory Protection: Use approved respirators if airborne dust is generated
Environmental Controls: Ensure containment systems are in place so spills do not leave laboratory or production space.
Appearance: Colorless to white crystalline solid
Odor: Odorless
Molecular Weight: 437.89 g/mol (hexahydrate)
pH Value: Acidic in water
Melting Point: Decomposes before melting, decomposes above 80°C
Boiling Point: Not applicable
Solubility in Water: Highly soluble
Vapor Pressure: Not volatile under ambient conditions
Density: Approximately 2.45 g/cm³
Other Info: Loses water of crystallization when exposed to air over time.
Chemical Stability: Stable under standard temperature and dry conditions; sensitive to moisture, decomposes gradually when exposed to air
Reactivity: Reacts vigorously with strong reducers, organic matter, combustible materials
Decomposition Products: Nitric oxides, yttrium oxides, corrosive and toxic fumes upon thermal decomposition
Conditions to Avoid: Excess heat, presence of organic or easily oxidized substances, damp environments
Polymerization: No risk of dangerous polymerization under recommended storage or use.
Acute Toxicity: Harmful if ingested, inhaled, or in contact with skin; not classified as acutely toxic but can cause irritation in exposed tissues
Skin Corrosion/Irritation: Causes skin redness and irritation
Serious Eye Damage/Irritation: Can produce burning, redness, watering, possible damage on prolonged contact
Respiratory Sensitization: Irritates mucous membranes and upper respiratory tract, dust exposure increases risk
Chronic Toxicity: Prolonged or repeated exposure may cause dermatitis or respiratory issues
Carcinogenicity: Not classified as carcinogenic based on available data
Symptoms of Exposure: Nausea, vomiting, coughing, redness, pain, difficulty breathing in severe cases.
Toxicity: Harmful to aquatic organisms if released in significant quantities; may cause long-term adverse effects in aquatic environment
Persistence and Degradability: Inorganic compound, not biodegradable, remains persistent in natural settings
Bioaccumulative Potential: Not expected to bioaccumulate significantly in terrestrial or aquatic organisms
Mobility in Soil: Highly mobile in moist environments, risk of groundwater contamination where poorly contained
Other Adverse Effects: Avoid discharge to the environment, monitor and limit accidental release to waterways, always comply with environmental regulations.
Waste Treatment Methods: Collect all solid and solution waste in labeled hazardous waste containers, do not dispose of through drain or normal refuse streams
Disposal Recommendations: Use specialized disposal contractors, process in accordance with local, regional, or national hazardous waste guidelines
Contaminated Packaging: Rinse and neutralize before disposal if possible, all packaging should be handled as hazardous
Do Not: Incinerate in open fires, dump in drains, bury in unprotected pits.
UN Number: 1477
Proper Shipping Name: Nitrates, inorganic, n.o.s. (Yttrium Nitrate)
Transport Hazard Class: 5.1 (Oxidizing substance)
Packing Group: III
Labeling Requirements: Oxidizer symbol, keep away from combustibles
Special Precautions: Package in sealed, moisture-proof drums or plastic/steel bins, avoid heat or flame, ensure compatibility with other goods in transport containers.
International Regulations: Listed in various global chemical inventories, including TSCA (USA), EINECS (Europe)
Label Requirements: Signal word, hazard, and precautionary statements required under GHS, OSHA, and equivalent global systems
Workplace Exposure: Observe relevant controls set by OSHA, ACGIH, and EU regulations for similar nitrates or yttrium compounds
Environmental Releases: Covered under water and waste acts in most jurisdictions, special measures in place for effluent and emissions thresholds
Labelling and Documentation: Update site SDS binders, notify all users and support staff, train staff on safe use on periodic basis, maintain emergency response plans.
