Niobium

SECTION 2: Hazards identification

This material is not considered hazardous and is not classified under GHS Emergency Overview Emergency Not considered hazardous as sold (solid).

Hazard statements

May cause irritation of skin, eyes, and respiratory tract as dust

Prevention

None

Response

None Appearance/Form: Form: Solid Color: lustrous, steel gray metal Odor: None Hazard Summary: Do not spray water on burning fines, chips, or powder as a violent explosion may result. The hazard increases with finer particles. Carbon dioxide is not effective in extinguishing burning Niobium or Niobium alloys. Negligible fire and explosion hazard in bulk form. Dust/air mixture may ignite or explode. Thermal decomposition may release toxic and/or hazardous gases. Ignites in fluorine or chlorine. Incandescent reaction with bromine trifluoride.

Potential Acute Health Effects

Skin: May cause irritation. Eyes: May cause mechanical irritation. Ingestion: None known. Inhalation: May cause irritation. Chronic Exposure Inhalation may cause irritation to the upper respiratory tract . Eye contact may cause mechanical irritation. Chronic eye exposure may cause conjunctivitis. Dermal Repeated or prolonged contact may cause skin irritation. Ingestion no information available on adverse affects. Metallic niobium has a low order of toxicity due to poor absorption from stomach and intestines. NOTE: Niobium crosses the placental barrier in animals. Aggravated Medical Inhalation may aggravate respiratory conditions. Conditions: Carcinogenicity: Does not contain any substances listed by IARC (International Agency for Research on Cancer), NTP (National Toxicological Program), OSHA (Occupational Safety and Health Administration), ACGIH (American Conference for Governmental Industrial Hygienists) or EU (European Union). Niobium Revision Date: 4/27/2015 2 27 23 PM