Yttrium Oxide 99.9% AR MSDS
Section 1: Chemical Product and Company Identification
Product Name: Yttrium Oxide 99.9% AR
Catalog Codes: SLY1069, SLY1114, SLY1045
TSCA: TSCA 8(b) inventory: Yttrium Oxide 99.9% AR
CI#: Not available.
Chemical Name: Yttrium Oxide 99.9% AR
Chemical Formula: Y2O3
Section 2: Composition and Information on Ingredients
Name CAS # % by Weight
Yttrium Oxide 99.9% AR 1314-36-9 100
Toxicological Data on Ingredients: Yttrium oxide, powder LD50: Not available. LC50: Not available.
Section 3: Hazards Identification
Potential Acute Health Effects:
Hazardous in case of eye contact (irritant), of inhalation. Slightly hazardous in case of skin contact (irritant), of
Potential Chronic Health Effects:
CARCINOGENIC EFFECTS: Not available.
MUTAGENIC EFFECTS: Not available.
TERATOGENIC EFFECTS: Not available.
DEVELOPMENTAL TOXICITY: Not available.
Repeated or prolonged exposure is not known to aggravate medical condition.
Section 4: First Aid Measures
Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at
least 15 minutes. Cold water may be used. WARM water MUST be used. Get medical attention.
Skin Contact: Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.
Serious Skin Contact: Not available.
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get
Serious Inhalation: Not available.
Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an
unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight
clothing such as a collar, tie, belt or waistband.
Serious Ingestion: Not available.
Section 5: Fire and Explosion Data
Flammability of the Product: Non-flammable.
Auto-Ignition Temperature: Not applicable.
Flash Points: Not applicable.
Flammable Limits: Not applicable.
Products of Combustion: Not available.
Fire Hazards in Presence of Various Substances: Not applicable.
Explosion Hazards in Presence of Various Substances:
Risks of explosion of the product in presence of mechanical impact: Not available.
Risks of explosion of the product in presence of static discharge: Not available.
Fire Fighting Media and Instructions: Not applicable.
Special Remarks on Fire Hazards: Not available.
Special Remarks on Explosion Hazards: Not available.
Section 6: Accidental Release Measures
Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by
spreading water on the contaminated surface and dispose of according to local and regional authority
Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water
on the contaminated surface and allow to evacuate through the sanitary system.
Section 7: Handling and Storage
Do not breathe dust. Avoid contact with eyes. Wear suitable protective clothing. In case of insufficient
ventilation, wear suitable respiratory equipment. If you feel unwell, seek medical attention and show the label
Hygroscopic. Keep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above
Section 8: Exposure Controls/Personal Protection
Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below
recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to
airborne contaminants below the exposure limit.
Splash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent.
Personal Protection in Case of a Large Spill:
Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used
to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist
BEFORE handling this product.
Exposure Limits: Not available.
Section 9: Physical and Chemical Properties
Physical state and appearance: Solid. (Powdered solid.)
Odor: Not available.
Taste: Not available.
Molecular Weight: 225.82 g/mole
Color: White to yellowish.
pH (1% soln/water): Not available.
Boiling Point: Not available.
Melting Point: 2410°C (4370°F)
Critical Temperature: Not available.
Specific Gravity: 5.03 (Water = 1)
Vapor Pressure: Not applicable.
Vapor Density: Not available.
Volatility: Not available.
Odor Threshold: Not available.
Water/Oil Dist. Coeff.: Not available.
Ionicity (in Water): Not available.
Dispersion Properties: Not available.
Very slightly soluble in cold water.
Soluble in dilute acids.
Section 10: Stability and Reactivity Data
Stability: The product is stable.
Instability Temperature: Not available.
Conditions of Instability: Incompatible materials
Incompatibility with various substances: Not available.
Corrosivity: Non-corrosive in presence of glass.
Special Remarks on Reactivity:
Readily absorbs ammonia from the air. Displaces ammonia from ammonium salts.
No other information found at this time.
Special Remarks on Corrosivity: Not available.
Polymerization: Will not occur.
Section 11: Toxicological Information
Routes of Entry: Inhalation. Ingestion.
Toxicity to Animals:
LD50: Not available.
LC50: Not available.
Chronic Effects on Humans: Not available.
Other Toxic Effects on Humans:
Hazardous in case of inhalation.
Slightly hazardous in case of skin contact (irritant), of ingestion.
Special Remarks on Toxicity to Animals:
Lowest Published Lethal Dose
LDL [Rat] - Route: Oral; Dose: >10,000 mg/kg
LDL [Mouse] - Route: Oral; Dose: >6,000 mg/kg
Special Remarks on Chronic Effects on Humans: Not available.
Special Remarks on other Toxic Effects on Humans:
Acute Potential Health Effects:
Skin: This material is not known to be a skin irritant.
Eyes: Contact with dust may be abrasive and cause mechanical irritation.
Inhalation: May cause respiratory tract irritaton.
Ingestion: May cause gastrointestinal tract irritation. This materials has a low degree of toxicity by ingestion.
Chronic Potential Health Effects: Prolonged or repeated overexposure may result in chronic bronchitis, with
symptoms of coughing and shortness of breath.
The toxicological properties of this substance have not been fully investigated
Section 12: Ecological Information
Ecotoxicity: Not available.
BOD5 and COD: Not available.
Products of Biodegradation:
Possibly hazardous short term degradation products are not likely. However, long term degradation products may
Toxicity of the Products of Biodegradation: The product itself and its products of degradation are not toxic.
Special Remarks on the Products of Biodegradation: Not available.
Section 13: Disposal Considerations
Waste must be disposed of in accordance with federal, state and local environmental
Section 14: Transport Information
DOT Classification: Not a DOT controlled material (United States).
Identification: Not applicable.
Special Provisions for Transport: Not applicable.
Section 15: Other Regulatory Information
Federal and State Regulations: TSCA 8(b) inventory: Yttrium oxide, powder
Other Regulations: EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances.
WHMIS (Canada): Not controlled under WHMIS (Canada).
R36- Irritating to eyes.
S2- Keep out of the reach of children.
S46- If swallowed, seek medical advice
immediately and show this container or label.
Health Hazard: 2
Fire Hazard: 0
Personal Protection: E
National Fire Protection Association (U.S.A.):
Dust respirator. Be sure to use an
approved/certified respirator or
Section 16: Other Information
References: Not available.
Other Special Considerations: Not available.
Created: 10/10/2005 12:18 AM
Last Updated: 11/06/2008 12:00 PM