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MATERIAL SAFETY DATA SHEET

I            PRODUCT IDENTIFICATION

Trade Name:                    Iron Telluride                                                                Synonyms:          Iron Telluride, iron monotelluride

Chemical Family:             Metal telluride                                                              CAS #:                12125-63-2

Molecular Weight:           183.45                                                                           Formula:            FeTe

II           HAZARDOUS INGREDIENTS

Hazardous Components: OSHA/PEL:       ACGIH/TLV:                   Other:                 %:

Iron Telluride                                   N/E                      .1 mg P/m³                         N/E                      0-100

Sec.302: No        Sec.304: No        Sec.313: No

III         PHYSICAL DATA

Boiling Point 760 mm Hg:             N/A                                                                 Melting Point:                  N/A

Solubility in H₂O (%):                   N/E                                                                 Physical State:                  Solid

Appearance and Odor:                  Grayish/black pieces, no odor                        Specific Gravity:              N/E

IV         FIRE AND EXPLOSION HAZARDS DATA

Flash Point (Method): N/E or N/A; (Non-flammable)                                         Explosive Limits: LEL: N/A        UEL: N/A

Extinguishing Media: Use: not applicable. Use suitable extinguishing agent for surrounding materials and type of fire.

Special Firefighting Procedures: Firefighters must wear full face, self-contained breathing apparatus with full protective clothing to prevent contact with skin and eyes. Fumes from fire are hazardous. Isolate runoff to prevent environmental pollution.

Unusual Fire & Explosion Hazards: When heated to decomposition, iron telluride may emit very toxic fumes.

V           HEALTH HAZARD INFORMATION

Routes of Entry: Inhalation, Skin, Eyes, and Ingestion

Health Hazards (Acute and Chronic):

              To the best of our knowledge the chemical, physical and toxicological properties of iron telluride have not been thoroughly investigated and recorded.

              Iron compounds have varying toxicity. Some iron compounds are suspected carcinogens. In general, ferrous compounds are more toxic than ferric compounds. Acute exposure to excessive levels of ferrous compounds can cause liver and kidney damage, altered respiratory rates and convulsions (Sax, Dangerous Properties of Industrial Materials, eighth edition).

              Elemental tellurium has relatively low toxicity. It is converted in the body to dimethyl telluride which imparts a garlic-like odor to the breath and sweat. Heavy exposures may, in addition, result in headache, drowsiness, metallic taste, loss of appetite, nausea, tremors, convulsions, and respiratory arrest (Sax, Dangerous Properties of Industrial Materials, eighth edition).

Inhalation: Acute: DANGER-POISON. Inhalation of dust or powder may cause irritation to the respiratory system, dry mouth, garlic odor to breath, sweat and urine, nausea, vomiting and possibly acute iron poisoning. Large amounts of iron may cause iron pneumoconiosis.

Chronic: Inhalation of finely divided powder may cause pulmonary fibrosis. May cause anorexia, nausea, depression to the central nervous system, somnolence, chronic iron poisoning and pathological deposition of iron in the body tissues.

Ingestion: Acute: DANGER-POISON. May cause dry mouth, suppression of sweat, garlic odor to breath and urine.

Chronic: May cause anorexia, nausea, depression to the central nervous system, somnolence and damage to the liver.

Skin: Acute: May cause irritation.

Chronic: May cause dermatitis.

Eyes: Acute: May cause irritation.

Chronic: No chronic health effects recorded.

Target Organs: May affect the liver and kidney.

Carcinogenicity: NTP? No           IARC? No          OSHA Regulated? No

Signs and Symptoms of Exposure:

Inhalation: May cause a red, dry throat, garlic-like odor to breath, sweat and urine, loss of appetite, sleepiness, nausea and coughing. Acute iron poisoning may cause: biphasic shock, rapid increase in respiration and pulse rate, congestion of blood vessels which may lead to hypotension, pallor and drowsiness. Chronic iron poisoning may cause: hemorrhagic necrosis of the gastrointestinal tract, hepatotoxicity, metabolic acidosis, prolonged blood clotting time, elevation of plasm levels of serotonin and histamine. Symptoms of pathological deposition or fibrosis of the pancreas, diabetes, mellitus and liver cirrhosis.

Ingestion: May cause a dry mouth, garlic-like odor to breath and urine, loss of appetite, sleepiness and nausea.

Skin: May cause redness and itching.

Eye: May cause redness, itching and watering.

Medical Conditions Generally Aggravated by Exposure: Pre-existing respiratory disorders.

EMERGENCY AND FIRST AID PROCEDURES:

INHALATION: Remove victim to fresh air, keep warm and quiet, give oxygen if breathing is difficult and seek medical attention.

INGESTION: Give 1-2 glasses of milk or water and induce vomiting, seek medical attention. Never induce vomiting or give anything by mouth to an unconscious person.

SKIN: Remove contaminated clothing, brush material off skin, wash affected area with mild soap and water. Seek medical attention if symptoms persist.

EYES: Flush eyes with lukewarm water, lifting upper and lower eyelids, for at least 15 minutes. Seek medical attention if symptoms persist.

VI         REACTIVITY DATA

Stability: Stable

Conditions to Avoid: None

Incompatibilities (Materials to Avoid): None recorded

Hazardous Decomposition Products: None Recorded

Conditions to Avoid: None

VII        SPILL OR LEAK PROCEDURES

Steps to be Taken in Case Material is Released or Spilled: Wear appropriate respiratory and protective equipment specified in Section VIII. Isolate spill area and provide ventilation. Vacuum up spill using a high efficiency particulate absolute (HEPA) air filter and place in a closed container for proper disposal. Take care not to raise dust.

Waste Disposal Method: Disposal must be made in accordance with Federal, State and Local regulations.

Storage and Handling Considerations: Store in a cool, dry area, in a tightly sealed container. Wash thoroughly after handling.

VIII      SPECIAL PROTECTION INFORMATION

Respiratory Protection (specify type): NIOSH approved Dust, mist, vapor cartridge respirator.

Ventilation: Local Exhaust: To maintain concentration at or below the PEL, TLV.        Mechanical: Not Recommended.

Special: Handle in a controlled, enclosed environment.                                                       Other: None

Protective Gloves: Rubber Gloves                                                                                       Eye Protection: Safety Glasses

Other Equipment: Normal lab wear suitable to prevent contamination.

IX         SPECIAL PRECAUTIONS

Work/Hygienic/Maintenance Practices: Implement engineering and work practice controls to reduce and maintain concentration of exposure at low levels. Use good housekeeping and sanitation practices. Do not use tobacco or food in work area. Wash thoroughly before eating and smoking. Do not blow dust off clothing or skin with compressed air.

              Some of the chemicals listed herein are research or experimental substances which may be toxic, as defined by various governmental regulations. In accordance with Environmental Protection Agency regulation and the Toxic Substances Control Act (TSCA), these materials should only be handled by, or under the direct supervision of, a "technically qualified individual", as defined in 40 CFR 710.2(aa).

              The above information is accurate to the best of our knowledge. However, since, data, safety standards, and government regulation are subject to change, and the conditions of handling and use or misuse are beyond our control, ESPI MAKES NO WARRANTY, NEITHER EXPRESSED NOR IMPLIED, WITH RESPECT TO THE COMPLETENESS OR CONTINUING ACCURACY OF THE INFORMATION CONTAINED HEREIN, AND DISCLAIMS ALL LIABILITY FOR RELIANCE THEREON. Users should satisfy themselves that they have all current data relevant to their particular use.

Issued By:           S. Dierks

Dated:                  January 1995