NIST Chemistry WebBook

Dates covered:	current information
Recommended uses:	Use to locate information on chemical compounds including registry numbers.
Restrictions:	*This database is available without restrictions from the National Institute of Standards and Technology and the United States Govermenment.*
Description:	Provides users with easy access to chemical and physical property data for chemical species through the internet. The data provided in the site are from collections maintained by the NIST Standard Reference Data Program and outside contributors. Data in the WebBook system are organized by chemical species. The WebBook system allows users to search for chemical species by various means. Once the desired species has been identified, the system will display data for the species. Physical properties and thermochemical data is included for many compounds. Users may search by a number of access points including formula, name, registry number and chemical structure.
Access:	Web access to National Institute of Standards and Technology.