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CAS Number: 7446-07-3
Product Catalog
93-5204
Tellurium › Tellurium(IV) oxide, 99+%| CAS Number: | 7446-07-3 |
| MDL Number: | MFCD00011263 |
| Molecular Formula: | O2Te |
| Molecular Weight: | 159.60 |
| Chemical Formula: | TeO2 |
| Color and Form: | off-white pwdr. |
| Note: |
Physical Characteristics: melting point 733°C, boiling point 450°C subl.
| SECTION 1: Product Identification | |
|---|---|
| Chemical Name: | Tellurium (IV) oxide, 99+% |
| Product Number: | 93-5204 |
| CAS Registry Number: | 7446-07-3 |
| Formula: | TeO2 |
| EINECS Number: | 231-193-1 |
| Chemical Family: | metal oxide |
| Synonym: | Tellurium dioxide |
| SECTION 2: Composition and Information on Ingredients | ||||
|---|---|---|---|---|
| Ingredient | CAS Number | Percent | ACGIH (TWA) | OSHA (PEL) |
| Title Compound | 7446-07-3 | 100 | 0.1mg/m3 (as Te) | 0.1mg/m3 (as Te) |
| SECTION 3: Hazards Identification | |
|---|---|
| Emergency Overview: | Inhalation or ingestion of dust may cause garlic breath, sweating; dry mouth, metallic taste; drowsiness; anorexia, nausea, and in high doses, cyanosis and death. Possible risk of harm to the unborn child. |
| Primary Routes of Exposure: | Contact with skin and eyes. Dust inhalation and ingestion. |
| Eye Contact: | May cause mild to moderate irritation of the eyes. |
| Skin Contact: | The dust may cause mild irritation of the skin and dermatitis. |
| Inhalation: | Inhalation of dust may cause garlic odor of breath, metallic taste, sleepiness, headache and nausea. |
| Ingestion: | Ingestion of large amounts of tellurium oxide may lead to nausea, vomiting, bloody diarrhea, weakness, cyanosis, and death. |
| Acute Health Effects: | Garlic odor of breath, metallic taste, sleepiness, headache, nausea, vomiting. High doses can cause bloody diarrhea, weakness, cyanosis, and death. |
| Chronic Health Effects: | Prolonged exposure to dust may cause drowsiness and loss of appetite. Possible risk of harm to the unborn child. |
| NTP: | No |
| IARC: | No |
| OSHA: | No |
| SECTION 4: First Aid Measures | |
|---|---|
| Eye Exposure: | Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention. |
| Skin Exposure: | Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists. |
| Inhalation: | Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance. |
| Ingestion: | Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel. |
| SECTION 5: Fire Fighting Measures | |
|---|---|
| Flash Point: | not applicable |
| Autoignition Temperature: | none |
| Explosion Limits: | none |
| Extinguishing Medium: | None. Material is non-flammable. |
| Special Fire Fighting Procedures: | If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus and full protective clothing. |
| Hazardous Combustion and Decomposion Products: | no hazardous decomposition products. |
| Unusual Fire or Explosion Hazards: | No unusual fire or explosion hazards. |
| SECTION 6: Accidental Release Measures | |
|---|---|
| Spill and Leak Procedures: | Small spills can be mixed with vermiculite or sodium carbonate and swept up. |
| SECTION 7: Handling and Storage | |
|---|---|
| Handling and Storage: | No special storage conditions. |
| SECTION 8: Exposure Controls and Personal Protection | |
|---|---|
| Eye Protection: | Always wear approved safety glasses when handling a chemical substance in the laboratory. |
| Skin Protection: | Wear appropriate chemical resistant gloves and protective clothing. |
| Ventilation: | Material may form a fine dust. If possible, handle the material in an efficient fume hood. |
| Respirator: | If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134. |
| Additional Protection: | No additional protection required. |
| SECTION 9: Physical and Chemical Properties | |
|---|---|
| Color and Form: | off-white pwdr. |
| Molecular Weight: | 159.6 |
| Melting Point: | 733°C |
| Boiling Point: | 450°C subl. |
| Vapor Pressure: | no data |
| Specific Gravity: | no data |
| Odor: | none |
| Solubility in Water: | insoluble |
| SECTION 10: Stability and Reactivity | |
|---|---|
| Stability: | air and moisture stable solid |
| Hazardous Polymerization: | no hazardous polymerization |
| Conditions to Avoid: | none |
| Incompatibility: | active metals and strong bases |
| Decomposition Products: | none |
| SECTION 11: Toxicological Information | |
|---|---|
| RTECS Data: | Oral (rat); LD50: >5 gm/kg. Intratracheal (rat); LDLo: 80 mg/kg. Unreported (rabbit); LDLo: 324 mg/kg. Inhalation (rat); TCLo: 50 mg/m3/2H/15W-I. Inhalation (rat); TCLo: 3500 ng/kg/13W-I. Subcutaneous (rat); TDLo: 798 mg/kg. Subcutaneous (rat); TDLo: 798 mg/kg. Subcutaneous (rat); 399 mg/kg. Subcutaneous (rat); TDLo: 27930 ug/kg. Subcutaneous (rat); TDLo: 79800 ug/kg. |
| Carcinogenic Effects: | No data available |
| Mutagenic Effects: | No data available |
| Tetratogenic Effects: | Possible reproductive effector. |
| SECTION 12: Ecological Information | |
|---|---|
| Ecological Information: | May be harmful to aquatic organisms |
| SECTION 13: Disposal Considerations | |
|---|---|
| Disposal: | Dispose of according to local, state and federal regulations. |
| SECTION 14: Transportation | |
|---|---|
| Shipping Name (CFR): | Non-hazardous |
| Hazard Class (CFR): | NA |
| Additional Hazard Class (CFR): | NA |
| Packaging Group (CFR): | NA |
| UN ID Number (CFR): | NA |
| Shipping Name (IATA): | Non-hazardous |
| Hazard Class (IATA): | NA |
| Additional Hazard Class (IATA): | NA |
| Packaging Group (IATA): | NA |
| UN ID Number (IATA): | NA |
| SECTION 15: Regulatory Information | |
|---|---|
| TSCA: | Listed in the TSCA inventory |
| SARA (Title 313): | Title compound not listed. |
| Second Ingredient: | none |
| Third Ingredient: | none |
| SECTION 16: Other Information | |
|---|---|
| Disclaimer: | The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information. |
| Preparation Date: | 3/20/2001 |
| Revision Date: | 12/14/2011 |
