Section 1: Product Identification
Chemical Name: 2,2,6,6-Tetramethyl-3,5-heptanedionato thallium (I), 99% Tl(TMHD)
CAS Registry Number: 56713-38-3
Formula: Tl(C11H19O2)
EINECS Number: none
Chemical Family: metal beta-diketonate complexes
Synonym: Dipivaloylmethane, thallium complex
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 56713-38-3 100% 0.1 mg/m3 (sol Tl) 0.1 mg/m3 (sol Tl)
Section 3: Hazards Identification
Thallium compounds are very toxic by inhalation and if swallowed. May be irritating to skin, eyes and
Emergency Overview:
respiratory tract. Danger of cumulative effects.
Primary Routes of Exposure: Ingestion, skin, inhalation of dust.
Eye Contact: May cause slight to mild irritation of the eyes.
Skin Contact: May cause slight to mild irritation of the skin.
Inhalation: Very toxic by inhalation. Irritating to the nose, mucous membranes and respiratory tract.
Very toxic if swallowed. Ingestion may result in swelling of the feet and legs, mental confusion, paralysis,
Ingestion:
angina-like pains.
Very toxic by inhalation and if swallowed. Acute poisoning results in pain of the extremities, fever, nausea and
Acute Health Affects:
vomiting, jumbled speech, tremors, convulsions, kidney failure, and pulmonary edema.
Danger of cumulative effects. Prolonged exposure to thallium compounds has been reported to lead to
Chronic Health Affects: discoloration of the hair, which later falls out, joint pain, loss of appetite, fatigue, severe pain in the legs,
albuminuria, and optic neuritis. Possible mutagen.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with soap and water. Remove contaminated clothes if necessary. Seek medical
Skin Exposure:
assistance if irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately for possible antidote and treatment. Keep the victim calm. Give the victim
Ingestion:
water (only if conscious).
SECTION 5: Fire Fighting Measures
Flash Point: not applicable
Autoignition Temperature: none
Explosion Limits: none
Extinguishing Medium: carbon dioxide, dry powder or foam
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion and If involved in a fire this material may emit toxic organic fumes and toxic thallium oxide dust.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.
SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Small spills can be mixed with vermiculite or sodium carbonate and swept up.
SECTION 7: Handling and Storage
Handling and Storage: Store in a sealed container. Keep away from heat and moisture.
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. Consult with glove manufacturer to determine the proper type of glove.
Ventilation: Material may form a fine dust. If possible, handle the material in an efficient fume hood.
If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators
Respirator:
requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation: Material may form a fine dust. If possible, handle the material in an efficient fume hood.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: off-white xtl.
Molecular Weight: 387.62
Melting Point: 159-164°
Boiling Point: dec.260°C subl.110°/.1mm
Vapor Pressure: subl. 110°/0.1mm
Specific Gravity: no data
Odor: none
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable solid
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: none
Incompatibility: oxidizing agents
Decomposition Products: Carbon dioxide, carbon monoxide, organic vapors, and toxic thallium oxides and carbonates.
SECTION 11: Toxicological Information
RTECS Data: No information available in the RTECS files.
Carcinogenic Effects: No data available
Mutagenic Effects: No data available
Tetratogenic Effects: No data available
SECTION 12: Ecological Information
Ecological Information: Toxic to aquatic organisms . May cause long-term adverse effects to the aquatic environment.
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
SECTION 14: Transportation
Shipping Name (CFR): Thallium compounds, N.O.S.
Hazard Class (CFR): 6.1
Additional Hazard Class (CFR): NA
Packaging Group (CFR): II
UN ID Number (CFR): UN# 1707
Shipping Name (IATA): Thallium compound, N.O.S.
Hazard Class (IATA): 6.1
Additional Hazard Class (IATA): NA
Packaging Group (IATA): II
UN ID Number (IATA): UN# 1707
SECTION 15: Regulatory Information
TSCA: Not listed in the TSCA inventory.
SARA (Title 313): Title compound: See Category Code N760 for reporting.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
