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CAS Number: 7440-25-7
Product Catalog
93-7332
Tantalum › Tantalum powder (99.98%, Nb-25ppm)| CAS Number: | 7440-25-7 |
| MDL Number: | MFCD00011252 |
| Molecular Formula: | Ta |
| Molecular Weight: | 180.95 |
| Chemical Formula: | Ta |
| Color and Form: | -325 mesh |
| Note: |
Safety: Hazardous
Physical Characteristics: melting point 2996°C, boiling point 5425°C, density 16.6
| SECTION 1: Product Identification | |
|---|---|
| Chemical Name: | Tantalum powder (99.98%, Nb-25ppm) |
| Product Number: | 93-7332 |
| CAS Registry Number: | 7440-25-7 |
| Formula: | Ta |
| EINECS Number: | 231-135-5 |
| Chemical Family: | metal or element |
| Synonym: | None |
| SECTION 2: Composition and Information on Ingredients | ||||
|---|---|---|---|---|
| Ingredient | CAS Number | Percent | ACGIH (TWA) | OSHA (PEL) |
| Title Compound | 7440-25-7 | 100 | 5mg/m3 | 5mg/m3 |
| SECTION 3: Hazards Identification | |
|---|---|
| Emergency Overview: | May be irritating to the eyes, skin and respiratory tract. |
| Primary Routes of Exposure: | Inhalation (of dust or fume) |
| Eye Contact: | The dust may cause slight to mild irritation of the eyes. |
| Skin Contact: | The dust may cause slight to mild irritation of the skin. |
| Inhalation: | May be irritating to nasal cavity and respiratory tract. |
| Ingestion: | No specific information is available on the physiological effects of ingestion. |
| Acute Health Effects: | Dust may be irritating to skin, eyes and respiratory tract. |
| Chronic Health Effects: | No information on long term exposure available. |
| 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 victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel. |
| SECTION 5: Fire Fighting Measures | |
|---|---|
| Flash Point: | none |
| Autoignition Temperature: | none |
| Explosion Limits: | none |
| Extinguishing Medium: | Dry chemical or Class D metal fire agent. |
| 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: | None |
| Unusual Fire or Explosion Hazards: | Flammable solid. Dust may form explosive mixtures with air. May self-ignite if wetted with alcohols or related organics. |
| SECTION 6: Accidental Release Measures | |
|---|---|
| Spill and Leak Procedures: | Mix the material with sodium carbonate or dolomite. Sweep up the solid. |
| SECTION 7: Handling and Storage | |
|---|---|
| Handling and Storage: | No special storage or handling conditions required. |
| 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 protective clothing and gloves. |
| Ventilation: | If in the form of a fine dust, handle the material in an efficient fume hood. |
| Respirator: | If handling material in the form of a fine dust and 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: | -325 mesh powder |
| Molecular Weight: | 180.95 |
| Melting Point: | 2996°C |
| Boiling Point: | 5425°C |
| Vapor Pressure: | no data |
| Specific Gravity: | 16.6 |
| Odor: | none |
| Solubility in Water: | insoluble |
| SECTION 10: Stability and Reactivity | |
|---|---|
| Stability: | air and moisture stable |
| Hazardous Polymerization: | no hazardous polymerization |
| Conditions to Avoid: | none |
| Incompatibility: | Halogens, strong mineral acids. |
| Decomposition Products: | none |
| SECTION 11: Toxicological Information | |
|---|---|
| RTECS Data: | Implant (rat); TDLo: 3760 mg/kg. |
| Carcinogenic Effects: | No information available |
| Mutagenic Effects: | No information available |
| Tetratogenic Effects: | No information available |
| SECTION 12: Ecological Information | |
|---|---|
| Ecological Information: | No information available |
| SECTION 13: Disposal Considerations | |
|---|---|
| Disposal: | Dispose of in accordance with local, state, and federal regulations. |
| SECTION 14: Transportation | |
|---|---|
| Shipping Name (CFR): | Metal Powder, Flammable, N.O.S. |
| Hazard Class (CFR): | 4.1 |
| Additional Hazard Class (CFR): | NA |
| Packaging Group (CFR): | II |
| UN ID Number (CFR): | UN# 3089 |
| Shipping Name (IATA): | Metal Powder, Flammable, N.O.S. |
| Hazard Class (IATA): | 4.1 |
| Additional Hazard Class (IATA): | NA |
| Packaging Group (IATA): | II |
| UN ID Number (IATA): | UN# 3089 |
| SECTION 15: Regulatory Information | |
|---|---|
| TSCA: | Listed in TSCA inventory |
| SARA (Title 313): | Not reportable under SARA Title 313 |
| 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: | 12/26/2000 |
| Revision Date: | 12/14/2011 |
