TUNGSTEN 2% THORIATED

SECTION 2: Hazards identification

Emergency Overview WARNING Electric shock can kill Arc Rays can injure and burn eyes and skin Causes eye irritation May be harmful if inhaled Keep out of reach of children Color silver - gray Physical State Solid Odor No information available

Principle Routes of Exposure

Inhalation Inhalation Acute Effects Eyes Causes eye irritation. Welding arc may damage eyes . Skin Repeated or prolonged skin contact may cause allergic reactions with susceptible persons. May cause eye/skin irritation. Inhalation Welding fumes may result in discomfort such as: dizziness, nausea, or dryness or irritation of nose, throat, or eyes. Fumes can aggravate asthma, bronchial conditions, or allergies. Individuals with allergies or impaired respiratory function may have symptoms worsen by exposure to welding fumes . Inhalation of Tungsten dust may cause irritation of the respiratory tract. Skin or eye contact could cause abrasion or irritation . Thorium is a naturally occurring radioactive element. Its primary hazard lies in inhalation of dust/fumes. Normal handling of these electrodes is not expected to result in any significant radiation exposure. Considerable experience in refining and use of thorium has not revealed any adverse effects from industrial exposure . Ingestion May be harmful if swallowed. Chronic Toxicity Prolonged exposure may cause chronic effects. No hazards have been identified for tungsten fume except that it may aggravate an existing chronic respiratory disease . Thorium dioxide has been identified as a carcinogen. Evidence for it ability to cause cancer has come solely from its internal medicine use . Target Organ Effects Eyes, Skin, Respiratory system, Blood.

Medical Conditions Generally Aggravated by Exposure

No information available

Environmental effects

See Section 12 for additional Ecological information.