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Дата изменения: Fri Nov 23 17:51:49 2001
Дата индексирования: Tue Oct 2 05:35:02 2012
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Поисковые слова: ngc 6992
MgB2 Safety Data Sheet

Material Safety Data Sheet

  •   1 Identification of substance:
      •  
    • Product details:
    • Trade name: Magnesium boride
    • 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)-52-49701
      E-mail: nkolesn@issp.ac.ru 
      Web Sites: www.issp.ac.ru/lpcbc 
                 www.sttic.com.ru
  •   2 Composition/Data on components:
      •  
    • Chemical characterization:

      • Magnesium boride - MgB2
  •   3 Hazards identification
      •  
    • Hazard description: · Not applicable
    • Information pertaining to particular dangers for man and environment

      • Not applicable
  •   4 First aid measures
      •  
    • After inhalation

      • Supply fresh air. If required, provide artificial respiration. Keeppatient 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 medical treatment.
  •   5 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.
  •   6 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: Pick up mechanically.
  •   7 Handling and storage
      •  
    • Handling

      •  
    • Information for safe handling:

      • Keep container tightly sealed.
      Store in cool, dry place in tightly closed containers.
      No special precautions are necessary if used correctly.
    • 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.
  •   8 Exposure controls and personal protection
      •  
    • Additional information about design of technical systems:

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

      Components with limit values that require monitoring at the workplace: 

      Not required.
       

    • 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.
  •   9 Physical and chemical properties:
      •  
    • Form: Powder, ceramics, crystals

      •  
    • Color:

      • yellow, in powder form - dark brown, in ceramics - with pink tint
    • Odor: Odorless

      •  
    •                                      Value/Range  Unit    Method 

      •  
    • Change in condition

      •  
    • Melting point/Melting range:       Not determined 

      •  
    • Boiling point/Boiling range:       Not determined

      •  
    • Sublimation temperature / start:   Not determined

      •  
    • Flash point:                       Not applicable

      •  
    • Flammability (solid, gaseous)      Product is not flammable.

      •  
    • Ignition temperature:              Not determined

      •  
    • Decomposition temperature:         1550 oC at 1 atm; 900 oC in vacuum

      •  
    • Danger of explosion:

      • Product does not present anexplosion hazard.
       
    • Explosion limits:

      •  
    • Lower:                             Not determined

      •  
    • Upper:                             Not determined

      •  
    • Vapor pressure:                    Not determined

      •  
    • Density:                           2.625 g/cm3

      •  
    • Solubility in / Miscibility with
    • Water:                             Insoluble
    • Acids                              Soluble
  •  10 Stability and reactivity
      •  
    • Thermal decomposition / conditions to be avoided:

      • Decomposition will not occur if used and stored according tospecifications.
    • Materials to be avoided: Acids
    • Dangerous reactions No dangerous reactions known
    • Dangerous products of decomposition:

      • Metal oxide fume
      Flammable gases/vapors
  •  11 Toxicological information
      •  
    • Acute toxicity:
    • Primary irritant effect:
    • on the skin: May cause irritation
    • on the eye: May cause irritation
    • Sensitization: No sensitizing effects known.
    • Subacute to chronic toxicity:

      • Boron effects the central nervous system.  Boron poisoning causes depression of the circulation, persistant vomiting and diarrhea, followed by profound shock and coma. The temperature may become subnormal and a scarletina form rash may cover the entire body.
      Inhalation of magnesium compounds may cause metal fume fever.  Metallic magnesium which perforates the skin may cause local lesions.  Some magnesium salts have produced muscle weakness, cardiac arrhythmias,respiratory effects and changes in blood chemistry following ingestion.
    • Additional toxicological information:

      • To the best of our knowledge the acute and chronic toxicity of thissubstance is not fully known.
      No classification data on carcinogenic properties of this material is available from the EPA, IARC, NTP, OSHA or ACGIH.
  •  12 Ecological information:
      •  
    • General notes:

      • Do not allow material to be released to the environment without propergovernmental permits.
  •  13 Disposal considerations
      •  
    • Product:
    • Recommendation

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

      • Disposal must be made according to official regulations.
  •  14 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.
  •  15 Regulations
      •  
    • Product related hazard informations:

      • Observe the general safety regulations when handling chemicals
    • 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.
  •  16 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.