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Дата изменения: Fri Sep 10 17:09:54 2010
Дата индексирования: Tue Oct 2 05:03:00 2012
Кодировка:
Поисковые слова: molecular cloud
CdS Safety Data Sheet

Material Safety Data Sheet

  •   1 Identification of substance:
    • Trade name: Cadmium sulfide
    • 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: +7-496-522-2074
      Fax: +7-496-522-4691
      E-mail: lpcbc82@issp.ac.ru
      Web Site: www.issp.ac.ru/lpcbc
  •   2 Hazards identification
      •  
    • Hazard description: T Toxic
    • Information pertaining to particular dangers for man and environment

      • R 22       Harmful if swallowed.
      R 40       Possible risks of irreversible effects.
      R 48/23/25 Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed.
  •   3 First aid measures
      •  
    • 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 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.
  •   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. Prevent formation of dust.
    • 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.
      Store away from oxidizing agents.
    • 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.
    • 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.
    • 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, crystal chunks 3-12 mm, polycrystals, single crystals, substrates and optical elements manufactured from the crystals.
    • Color: Yellow
    • Odor: Odorless

      •  
    •                                      Value/Range  Unit    Method 

      •  
    • Melting point/Melting range:           1405 °C
    • Boiling point/Boiling range:       Not determined
    • Sublimation temperature / start:   Approx. 1300 °C
    • Flash point:                       Not applicable
    • Ignition temperature:              Not applicable
    • Decomposition temperature:            > 1300 °C
    • Danger of explosion:

      • Product does not present an explosion hazard.
    • Explosion limits:                 Not applicable
    • Vapor pressure:     negligible at room temperature

      •  
    • Density:                     4.825 g/cm3 at 20 °C
    • 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
      Oxidizing agents
    • Dangerous reactions

      • Reacts with strong oxidizing agents
      Reacts with strong acids
    • Dangerous products of decomposition:

      • Hydrogen sulfide
      Sulfur oxides (SOx)
  •  10 Toxicological information
      •  
    • Acute toxicity:

      • LD/Lc50 values that are relevant for classification: 
      Oral: LD50: 1166 mg/kg (mus)
      LD50: 7080 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.
    • Other information (about experimental toxicology):

      • Mutagenic effects have been observed on tests with laboratory animals.
      Tumorigenic effects have been observed on tests with laboratory animals.
    • Subacute to chronic toxicity:

      • Cadmium and cadmium compounds are highly toxic and experimental carcinogens.  Exposure affects the respiratory tract, kidneys, and liver.  Ingestion may cause nausea, salivation, vomiting and diarrhea. Ingestion or inhalation of cadmium/cadmium compounds may be fatal.
    • Additional toxicological information:

      • To the best of our knowledge the acute and chronic toxicity of this substance is not fully known.
      EPA-B1: Probable human carcinogen, limited evidence of carcinogenicity from epidemiologic studies.
      IARC-1: Carcinogenic to humans: sufficient evidence of carcinogenicity.
      NTP-1: Known to be carcinogenic: sufficient evidence from human studies.
      Carcinogen as defined by OSHA.
      ACGIH A2: Suspected human carcinogen: Agent is carcinogenic in experimental animals at dose levels, by route(s) of administration, at site(s), of histologic type(s), or by mechanism(s) considered relevant to worker exposure.  Available epidemiologic studies are conflicting or insufficient to confirm an increased risk of cancer in exposed humans.
      The Registry of Toxic Effects of Chemical Substances (RTECS) contains tumorigenic and/or carcinogenic and/or neoplastic data for components in this product.
  •  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
      •  
      Not a hazardous material for transportation.
       
    • DOT regulations:
    • Hazard class:             None
    • Land transport ADR/RID  (cross-border)
    • ADR/RID class:                None
    • Maritime transport IMDG:
    • IMDG Class:               None
    • Air transport ICAO-TI and IATA-DGR:
    • ICAO/IATA Class:          None
    • Transport/Additional information:

      • Not dangerous according to the above specifications.
  •  14 Regulations
      •  
    • Product related hazard informations:
    • Hazard symbols: T Toxic
    • Risk phrases:

      • 22       Harmful if swallowed.
      40       Possible risks of irreversible effects.
      48/23/25 Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed.
    • Safety phrases:

      • 22       Do not breathe dust.
      36/37    Wear suitable protective clothing and gloves.
      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.
       
    • Department issuing MSDS: LPCBC ISSP Rus. Acad. Sci.