MATERIAL SAFETY DATA SHEET
I PRODUCT IDENTIFICATION
Trade Name: Rhenium Formula: Re
II HAZARDOUS INGREDIENTS
Rhenium CAS #: 7440-15-5 %: 99.99
ACGIH (TLV): N/A OSHA PEL: N/A
III PHYSICAL DATA
5756 oF 10161 oF
Boiling Point: Melting Point:
Specific Gravity: 21.02 Vapor Density: N/A
Solubility in H2O: Insoluble Appearance and Odor: Dark gray, odorless
Detection: Air sample
IV FIRE AND EXPLOSION HAZARDS DATA
Flash Point (Method used): N/A Autoignition Point: N/A
Flammable Limits in Air: N/A
Fire Extinguishing Materials: Class D (dry sand).
Special Fire Fighting Procedures: Confine metal dust/powder to avoid spreading. Do not use water. For a powder fire confined to
a small area, use a respirator approved for toxic dust and fumes. For a large fire, use self-contained breathing apparatus.
Unusual Fire & Explosion Hazard: Fine metal powder/dust may be a fire or explosion hazard. Keep away from heat, open flame,
and electric discharge.
V HEALTH HAZARD INFORMATION
Symptoms of Overexposure:
Eye or Skin Contact: Eye, skin, and/or mucous membrane irritation.
Absorbed through Skin: N/A
Inhaled: Mucous membrane, possible pulmonary irritation.
Swallowed: Mucous membrane irritation.
Health effects or risks from exposure: Acute: N/AChronic: None known
Carcinogenicity: No, none of the ingredients of this material are found in any of the lists.
EMERGENCY AND FIRST AID PROCEDURES:
EYES: Flush with copious amounts of water and prevent further contact. If irritation persists, seek medical attention.
SKIN: Thoroughly wash affected area with mild soap and water and prevent further contact. If irritation persists, seek medical
attention.
INHALATION: If any pulmonary symptoms develop, remove form exposure and seek medical attention.
INGESTION: Dilute with a large amount of water, induce vomiting, and seek medical attention.
VI REACTIVITY DATA
Stability: Stable
Conditions to Avoid: Forms rhenium oxide above 300 oF.
Incompatibility (Material to Avoid): HNO3 (strong oxidizing agent)
Hazardous Decomposition Products: None
Hazardous Polymerization: Will not occur.
VII SPILL OR LEAK PROCEDURES
Steps to be Taken in Case Material is Released or Spilled: Remove all sources of ignition. Do not generate dust during cleanup.
Use only cleaning equipment that can be grounded or is explosion-proof.
Waste Disposal Method: Waste material may have some salvage value; may be sold as scrap for reclaim.
Note: Dispose of all waste in accordance with federal, state, and local laws.
VIII SPECIAL PROTECTION INFORMATION
Respiratory Protection: Appropriate NIOSH-approved respirator.
Ventilation and Engineering Controls: Local exhaust ventilation: do not exceed the TLV.
Protective Gloves: Recommended when contact is likely. Eye Protection: Safety glasses or goggles.
Other Clothing and Equipment: N/A
IX SPECIAL PRECAUTIONS
Work and Hygienic Practices: Wash thoroughly after handling, before eating, and at end of work shift. Do not shake clothing other
items to remove dust; use a vacuum. Avoid dust inhalation and direct contact. Do not ingest.
Other Handling and Storage Requirements: Maintain good housekeeping procedures to prevent accumulation of dust. Cleanup
methods should minimize generation of dust, such as vacuuming or wet methods.
Protective Measures During Maintenance of Contaminated Equipment: N/A
Issued By: S. Dierks
Issue Date: March 1990
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