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ZnSe Safety Data Sheet

Material Safety Data Sheet

  •   1 Identification of substance:
    • Trade name: Zinc selenide

      •  
    • Manufacturer

      • Institute of Solid State Physics,
      Russian Academy of Sciences.
      Laboratory of Physical-Chemical Basis of Crystallization
      Chernogolovka, Moscow district,
      142432 Russia
      Phone: +7-(496)-522-2074
      Fax: +7-(496)-522-4691
      E-mail: lpcbc82@issp.ac.ru
       
  •   2 Hazards identification
      •  
    • Hazard description: T Toxic
    • Information pertaining to particular dangers for man and environment

      • R 23/25 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.
    • Special hazards caused by the material, its products of combustion or

      •   resulting gases:
      In case of fire, the following can be released:
      Toxic metal oxide fume
      Hydrogen selenide
    • 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 11.
      Ensure adequate ventilation.
       
  •   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:

      • No special measures required.
    • 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.
      Store away from oxidizing agents.
      Do not store together with alkalies (caustic solutions).
    • 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 Physical and chemical properties:
      •  
       
    • Form: Powder, Crystal chunks, Crystals, Plates and elements manufactured from crystals.
    • Color:

      • Yellow
    • Odor: Odorless

      •  
    •                                      Value/Range  Unit    Method 

      •  
    • Melting point/Melting range:           1525 °C
    • Boiling point/Boiling range:      Not applicable
    • Sublimation temperature / start:        1400 °C
    • Flash point:                       Not applicable
    • Ignition temperature:              Not applicable
    • Decomposition temperature:              1400 °C
    • Danger of explosion:

      • Product does not present an explosion hazard.
    • Explosion limits:
    • Lower:                             Not applicable
    • Upper:                             Not applicable
    • Vapor pressure:     at 20 °C       negligible

      •                                                  at 1400 °C     1 atm
    • Density:  crystal   at 20 °C       5.264 g/cm3
    • Solubility in / Miscibility with
    • Water:                             Insoluble
  •  8 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
      Bases
      Oxidizing agents
      Methanol
    • Dangerous reactions Contact with acids releases toxic gases

      •  
  •  9 Toxicological information
      •  
    • Acute toxicity:
    • 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:
    • Additional toxicological information:

      • To the best of our knowledge the acute and chronic toxicity of this substance is not fully known.
      EPA-D: Not classifiable as to human carcinogenicity: inadequate human and animal evidence of carcinogenicity or no data are available.
      IARC-3: Not classifiable as to carcinogenicity to humans.
      NTP-2: Reasonably anticipated to be a carcinogen: limited evidence from studies in humans or sufficient evidence from studies in experimental animals.
  •  10 Ecological information:
      •  
    • General notes:

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

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

      • Disposal must be made according to official regulations.
  •  12 Transport information
      •  
    • DOT regulations:
    • Hazard class:             6.1
    • Identification number:    UN3283
    • Packing group:            III
    • Proper shipping name (technical name):

      • Selenium compound, n.o.s., zinc selenide
    • Land transport ADR/RID  (cross-border)
    • ADR/RID class:            6.1 Poisonous substances
    • Item:                     55c
    • Danger code (Kemler):     60
    • UN-Number:                3283
    • Description of goods:     Selenium compound, n.o.s., zinc selenide
    • Maritime transport IMDG:
    • IMDG Class:               6.1
    • Page:                     6249-1
    • UN Number:                3283
    • Packaging group:          III
    • EMS Number:               6.1-04
    • MFAG:                     175
    • Proper shipping name:     Selenium compound, n.o.s., zinc selenide
    • Air transport ICAO-TI and IATA-DGR:
    • ICAO/IATA Class:          6.1
    • UN/ID Number:             3283
    • Packaging group:          III
    • Proper shipping name:     Selenium compound, n.o.s., zinc selenide
  •  13 Regulations
      •  
    • Product related hazard informations:
    • Hazard symbols: T Toxic
    • Risk phrases:

      • 23/25 Toxic by inhalation and if swallowed.
      33    Danger of cumulative effects.
    • Safety phrases:

      • 20/21 When using do not eat, drink or smoke.
      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.
    • Information about limitation of use:

      • For use only by technically qualified individuals.
      This product contains selenium and is subject to the reporting requirements of section 313 of the Emergency Planning and Community Right to Know Act of 1986 and 40CFR372.
  •  14 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.
    • Department issuing MSDS: LPCBC ISSP Rus. Acad. Sci.