Product Name: Erbium Nitrate
Chemical Formula: Er(NO3)3·5H2O
Synonyms: Erbium(III) nitrate pentahydrate
CAS Number: 10031-51-3
EC Number: 233-114-6
Uses: Used in ceramics, specialty glasses, catalyst preparation, laboratory reagents
Manufacturer: Contact details must be on container label
Emergency contact: Organization’s emergency phone number should be reached for incidents involving large quantities or spillages
Hazard Class: Classified as an oxidizing solid, irritant
Label Elements: GHS07 (Exclamation mark), GHS03 (Flame over circle)
Signal Word: Warning
Hazard Statements: May intensify fire (oxidizer), causes skin and eye irritation, may cause respiratory tract irritation
Precautionary Statements: Keep away from heat, do not breathe dust, wash hands thoroughly after handling, use only in well-ventilated areas
Physical Hazards: Strong oxidizer, supports combustion of other materials
Health Hazards: Skin and eye irritant, may irritate mucous membranes, coughing, shortness of breath possible after inhalation
Environmental Hazards: Harmful to aquatic life with long-lasting effects
Substance: Erbium Nitrate Pentahydrate
Chemical Formula: Er(NO3)3·5H2O
CAS Number: 10031-51-3
Percentage by Weight: 98–100%
Hazardous Ingredients: No known toxic impurities present above trace levels
Inhalation: Move affected person to fresh air, keep warm and at rest, seek medical advice if symptoms persist
Skin Contact: Immediately remove contaminated clothing and wash skin with plenty of water and soap for at least 15 minutes; seek attention if irritation develops
Eye Contact: Rinse eyes with water or saline for at least 15 minutes lifting upper and lower lids; prompt medical attention needed for persistent symptoms
Ingestion: Rinse mouth thoroughly with water, do not induce vomiting, drink small quantity of water if conscious; consult physician promptly
Suitable Extinguishing Media: Use water spray, dry chemical, or carbon dioxide for small fires
Unsuitable Extinguishing Media: Do not use organic foams due to oxidizer hazard
Special Hazards: Product promotes combustion, may increase intensity of a fire, releases toxic nitrogen oxides during combustion
Protective Equipment: Wear self-contained breathing apparatus and full protective suit
Advice for Firefighters: Remove containers from fire area if safe, cool containers with water spray to prevent heat rupture
Personal Precautions: Avoid dust formation, ventilate the area, use personal protective gear including gloves, goggles, particulate respirator
Environmental Precautions: Prevent product from reaching drains, water courses, or soil
Spill Clean-up Methods: Use non-combustible absorbents such as sand, shovel into suitable container for recovery or disposal; do not return material to original packaging
Decontamination: Wash spill site after completion of clean-up, handle waste under local regulatory guidance
Handling: Avoid skin and eye contact, use in fume hood or well-ventilated space, avoid inhaling dust or aerosols, wash thoroughly after handling
Storage: Store in original tightly sealed containers, in a dry, cool, well-ventilated area, away from combustible and reducing materials; protect from moisture
Storage Class: Oxidizing solids
Other Information: Keep containers upright, avoid friction, label storage clearly to prevent misuse
Control Parameters: No established OSHA or ACGIH exposure limits
Engineering Controls: Extraction ventilation, safety shower and eyewash facility nearby
Personal Protective Equipment:
- Eye/Face Protection: Safety glasses with side shields or chemical goggles
- Skin Protection: Suitable protective gloves, long-sleeved clothing
- Respiratory Protection: Particle-filtering respirator if ventilation inadequate
- Hygiene Measures: Do not eat, drink, or smoke while handling chemical, wash hands before breaks and after work
Appearance: Pale pink crystals
Odor: Odorless
Odor Threshold: Not applicable
pH: Acidic in aqueous solution
Melting Point: Decomposes above 60°C (with loss of water)
Boiling Point: Not applicable
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Supports combustion
Vapor Pressure: Not significant at room temperature
Solubility: Soluble in water
Density: 2.5–2.7 g/cm³ (at 20°C)
Partition Coefficient: Not determined
Auto-ignition Temperature: Not self-igniting
Decomposition Temperature: Above 60°C, releases NOx gases
Viscosity: Not relevant for solid
Chemical Stability: Stable under normal temperatures and pressures
Reactivity: Reacts with combustible or reducing substances; contacts may cause fire or explosion
Incompatible Materials: Reducing agents, organic materials, powdered metals, acids, alkalis
Hazardous Decomposition: Nitrogen oxides (NOx), erbium oxides on decomposition
Conditions to Avoid: Excessive heat, moisture, friction, shock
Polymerization: Will not occur
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Effects: Irritation of skin and mucous membranes, mild to moderate eye irritation, possible gastrointestinal discomfort
Chronic Effects: Long-term exposure data limited, rare earth nitrates may cause kidney and liver effects with repeated high-dose contact
Toxicity Data: No specific LD50 data for erbium nitrate; rare earth compounds generally have low acute toxicity, but can be irritants
Mutagenicity: Not classified as mutagenic
Carcinogenicity: Not classified as carcinogenic
Other Health Hazards: Prolonged inhalation of dust can aggravate respiratory conditions
Environmental Fate: Mobile in water, may bioaccumulate in aquatic organisms
Aquatic Toxicity: Harmful to fish and other aquatic life; data scarce but caution advised
Persistence: Rare earth nitrates are stable, can persist in soil and water
Degradability: Not easily biodegradable
Other Ecological Effects: Risk of eutrophication from nitrate ions, potential impact on water systems through accidental release or improper disposal
Waste Treatment: Collect spillage, store in labeled containers, use licensed waste contractor
Disposal Methods: Chemical waste should follow local, regional, and national regulations
Contaminated packaging: Rinse containers, dispose as hazardous waste
Safe Handling of Residue: Do not pour down drains or release to environment; incinerate in controlled facility if allowed
UN Number: 1475
UN Proper Shipping Name: Nitrates, inorganic, n.o.s. (contains Erbium Nitrate)
Transport Hazard Class: 5.1 (Oxidizer)
Packing Group: III
Hazard Label: Oxidizing agent
Special Precautions: Protect from physical damage, keep separated from combustibles
Transport by Road/Rail/Sea/Air: Comply with ADR/RID/IMDG/IATA rules, ensure clear documentation and secure packaging
Classification: Covered under OSHA Hazard Communication Standard, listed in TSCA inventory
REACH: Subject to registration
Signal Word and Pictogram: Includes GHS03 (oxidizer) and GHS07 (irritant) pictograms
SARA Title III: Not listed as extremely hazardous
California Proposition 65: Not listed
Other Regulations: Observe all relevant local and international legislation for storage, transport, and disposal; maintain proper documentation and labeling at all times