화학(Chemistry)

• WebElements: Periodic Table of the Elements
  A classic encyclopedia of the chemical elements, arranged in the periodic table. Click on any element to see more information, or choose types of properties at the top to see specific property information when you click.
• Dynamic Periodic Table
  An interactive periodic table with a very nice display. Select a property and use the slider to see which elements match your criteria. Nice display of orbital configurations, as well.
• SOLV-DB
  Database of solvents property data provided by the National Center of Manufacturing Sciences.
• Periodic Table from Merck

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• Right to Know Hazardous Substance Fact Sheets
  More than 1,600 Fact Sheets with information on health hazards, exposure limits, personal protective equipment, proper handling, first aid, and emergency procedures for fires and spills for known hazardous substances.
• International Chemical Safety Cards
  From the National Institute for Occupational Safety and Health, list basic chemical hazard data for thousands of chemicals.
• SIRI MSDS Index
  Index of Material Safety Data Sheets available online.
• The Chemical Database
  This database will allow the user to retreive information for any of 25,4945 hazardous chemicals or 'generic' entries based on a keyword search. Produced at the University of Akron from printed sources and online sources.
• TOXNET
  Databases on toxicology, hazardous chemicals, environmental health, and toxic releases.
• Chemical Data Access Tool
  Use this page to find health and safety information submitted to EPA under the Toxic Substances Control Act (TSCA). This information is intended for individuals interested in learning more about chemicals that are manufactured or imported into the United States.

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