Section 1: Product Identification
Chemical Name: Thallium hydrotris[3-(2-pyridyl)pyrazol-1-yl]borate, min. 98%
CAS Registry Number: 165257-90-9
Formula: [C24H19BN9]Tl
EINECS Number: none
Chemical Family: metal borate
Synonym: none
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 165257-90-9 100% 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. May be irritating to the nose, mucous membranes 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 water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
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. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: not applicable
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: carbon dioxide or dry powder
Fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus
Special Fire Fighting Procedures:
and full protective clothing.
Hazardous Combustion and If involved in a fire toxic oxidation or decomposition products may form.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.
SECTION 6: Accidental Release Measures
Small spills can be mixed with vermiculite, sodium carbonate or other suitable non combustible adsorbent and
Spill and Leak Procedures:
swept up.
SECTION 7: Handling and Storage
Handling and Storage: Store material in a cool, dry place in a tightly sealed container.
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 ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
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: white pwdr.
Molecular Weight: 648.66
Melting Point: 283-285°
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: no data
Odor: not determined
Solubility in Water: slightly soluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: none
Incompatibility: strong oxidizing agents
Decomposition Products: thallium oxide, carbon monoxide, carbon dioxide, boron oxide, and organic fumes.
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
Avoid release to the environment. Toxic to aquatic organisms . May cause long-term adverse effects to the
Ecological Information:
aquatic environment.
SECTION 13: Disposal Considerations
Disposal: Dispose of according to federal, state, and local regulations.
SECTION 14: Transportation
Shipping Name (CFR): Thallium Compound, 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 N760 for reporting.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A