Material Safety Data Sheet

  •   1 Identification of substance:
    •  
    • Product details:
    • Trade name: Thallium (III) oxide
    • Manufacturer/Supplier:

    • Institute of Solid State Physics, 
      Russian Academy of Sciences, 
      Laboratory of Physical-Chemical Basis of
      Crystallization 
      (LPCBC). 
      Chernogolovka, Moscow district, 142432 Russia. 
      Phone:7-(095)-742-0142 add. 2074  Fax:7-(096)-576-4111 
      E-mail: nkolesn@issp.ac.ru
  •   2 Hazards identification
    •  
    • Hazard description: T+ Very toxic
    • Information pertaining to particular dangers for man and environment

    • R 26/28 Very toxic by inhalation and if swallowed.
      R 33    Danger of cumulative effects.
  •   3 First aid measures
    •  
    • General information

    • Immediately remove any clothing soiled by the product.
      Remove breathing apparatus only after contaminated clothing has been completely removed.
      In case of irregular breathing or respiratory arrest provide artificial respiration.
    • After inhalation

    • Supply fresh air. If required, provide artificial respiration. Keep patient warm.
      Seek immediate medical advice.
    • After skin contact

    • Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
    • After eye contact

    • Rinse opened eye for several minutes under running water. Then consult a doctor.
    • After swallowing

    • Do not induce vomiting; immediately call for medical help. Seek immediate medical advice.
  •   4 Fire fighting measures
    •  
    • Suitable extinguishing agents

    • Product is not flammable. Use fire fighting measures that suit the surrounding fire.
    • Protective equipment:

    • Wear self-contained respirator.
      Wear fully protective impervious suit.
  •   5 Accidental release measures
    •  
    • Person-related safety precautions:

    • Wear protective equipment. Keep unprotected persons away. Ensure adequate ventilation
    • Measures for environmental protection:

    • Do not allow material to be released to the environment without proper governmental permits.
    • Measures for cleaning/collecting:

    • Dispose contaminated material as waste according to item 12. Ensure adequate ventilation.
    • Additional information:

    • See Section 6 for information on safe handling
      See Section 7 for information on personal protection equipment.
      See Section 12 for disposal information.
  •   6 Handling and storage
    •  
    • Handling
    • Information for safe handling:

    • Keep container tightly sealed.
      Store in cool, dry place in tightly closed containers.
      Ensure good ventilation at the workplace.
      Open and handle container with care.
    • Information about protection against explosions and fires:

    • The product is not flammable
    • Storage
    • Requirements to be met by storerooms and receptacles:

    • No special requirements.
    • Information about storage in one common storage facility:

    • Do not store together with acids.
    • Further information about storage conditions:

    • Keep container tightly sealed.
      Store in cool, dry conditions in well sealed containers.
      Store under lock and key and with access restricted to technical experts or their assistants only.
  •   7 Exposure controls and personal protection
    •  
    • Additional information about design of technical systems:

    • Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.

      Components with limit values that require monitoring at the workplace: 

      Thallium and soluble thallium compounds (as Tl)
                           mg/m3
      ACGIH TLV            0.1 skin
      Belgium TWA          0.1 skin
      Denmark TWA          0.1 skin
      Finland TWA          0.1 skin
      France TWA           0.1
      Germany MAK          0.1 inhalable fraction of the aerosol
      Ireland TWA          0.1 skin
      Netherlands TWA      0.1 skin
      Switzerland TWA      0.1 skin
      USA PEL              0.1 skin

    • Personal protective equipment
    • General protective and hygienic measures

    • The usual precautionary measures for handling chemicals should be followed.
      Keep away from foodstuffs, beverages and feed.
      Remove all soiled and contaminated clothing immediately.
      Wash hands before breaks and at the end of work.
      Store protective clothing separately.
    • Breathing equipment:

    • Use suitable respirator when high concentrations are present.
    • Protection of hands: Impervious gloves
    • Eye protection: Safety glasses
    • Body protection: Protective work clothing.
  •   8 Physical and chemical properties:
    •  
       
    • Form: Powder, single crystals

    •  
    • Color:

    • Black (crystal)
      Dark-Bbown (powder)
    • Odor: Odorless

    •  
    •                                      Value/Range  Unit    Method 

    •  
    • Change in condition
    • Melting point/Melting range:         717 °C
    • Boiling point/Boiling range:         875 °C

    •  
    • Sublimation temperature / start:     500 °C

    •  
    • Flash point:                       Not applicable
    • Ignition temperature:              Not determined
    • Decomposition temperature:            500 °C
    • Danger of explosion:

    • Product does not present an explosion hazard.
    • Explosion limits:                 Not applicable
    • Vapor pressure:    Negligible at room temperature
    • Density:                          Not determined   
    • Solubility in / Miscibility with
    • Water:                             Insoluble
  •  9 Stability and reactivity
    •  
    • Thermal decomposition / conditions to be avoided:

    • Decomposition will not occur if used and stored according to specifications.
    • Materials to be avoided: Acids
    • Dangerous reactions No dangerous reactions known
    • Dangerous products of decomposition: Toxic metal oxide fume
  •  10 Toxicological information
    •  
    • Acute toxicity:

    • LD/Lc50 values that are relevant for classification: 

      Oral: LD50: 44 mg/kg (rat)

    • Primary irritant effect:
    • on the skin: Irritant to skin and mucous membranes.
    • on the eye: Irritating effect.
    • Sensitization: No sensitizing effects known.
    • Subacute to chronic toxicity:

    • The main symptoms of thallium poisoning are peripheral neuropathy and loss of hair.  Acute poisoning causes paresthesios, ataxia, alopecia, fever, coryza, abdominal pain, nausea and vomiting.  Symptoms may progress to lethargy, speech disorders, tremors, convulsions, cyanosis, pulmonary edema, bronchopneumonia and death.  Kidney, liver and brain damage can occur.  Thallium poisoning during the first trimester of pregnancy can cause skeletal deformaties, alopecia, low birth weight and premature birth.  Chronic thallium poisoning may produce alopecia, salivation and a blue line on the gums.  Damage to the gastrointestinal, endocrine system and kidneys may also occur.
    • Additional toxicological information:

    • To the best of our knowledge the acute and chronic toxicity of this substance is not fully known.
  •  11 Ecological information:
    •  
    • General notes:

    • Do not allow material to be released to the environment without proper governmental permits.
  •  12 Disposal considerations
    •  
    • Product:
    • Recommendation

    • Consult local or national regulations for proper disposal.
    • Uncleaned packagings:
    • Recommendation:

    • Disposal must be made according to official regulations.
  •  13 Transport information
    •  
    • DOT regulations:
    • Hazard class:             6.1
    • Identification number:    UN1707
    • Packing group:            II
    • Proper shipping name (technical name):

    • Thallium compounds, n.o.s., thallium (III) oxide
    • Land transport ADR/RID  (cross-border)
    • ADR/RID class:            6.1 Poisonous substances
    • Item:                     53b
    • Danger code (Kemler):     60
    • UN-Number:                1707
    • Description of goods:     Thallium compounds, n.o.s., thallium (III) oxide
    • Maritime transport IMDG:
    • IMDG Class:               6.1
    • UN Number:                1707
    • Packaging group:          II
    • Proper shipping name:     Thallium compounds, n.o.s., thallium (III) oxide
    • Air transport ICAO-TI and IATA-DGR:
    • ICAO/IATA Class:          6.1
    • UN/ID Number:             1707
    • Packaging group:          II
    • Proper shipping name:     Thallium compounds, n.o.s., thallium (III) oxide
  •  14 Regulations
    •  
       
    • Product related hazard informations:
    • Hazard symbols: T+ Very toxic
    • Risk phrases:

    • 26/28 Very toxic by inhalation and if swallowed.
      33    Danger of cumulative effects.
    • Safety phrases:

    • 13    Keep away from food, drink and animal feedingstuffs.
      28    After contact with skin, wash immediately with plenty of water
      45    In case of accident or if you feel unwell, seek medical advice immediately.
    • National regulations

    • All components of this product are listed in the U.S. Environmental Protection Agency Toxic Substances Control Act Chemical Substance Inventory.
    • Information about limitation of use:

    • For use only by technically qualified individuals.
  •  15 Other information:
    •  
      Employers should use this information only as a supplement to other information gathered by them, and should make independent judgement of suitability of this information to ensure proper use and protect the health and safety of employees.  This information is furnished without warranty, and any use of the product not in conformance with this Material Safety Data Sheet, or in combination with any other product or process, is the responsibility of the user.