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Editor's Choice
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American Chemical Society
- There are 34 ACS divisions, representing a wide range of disciplines
for chemists, chemical engineers and technicians.
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American Institute of Chemical Engineers
- nonprofit organization providing leadership to the chemical
engineering profession
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ChemCenter
(American Chemical Society)
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ChemConnect
- chemical suppliers directory
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CHEMCYCLOPEDIA
- manual of commercially available chemicals
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Chemical Equipment Catalog
- chemical suppliers directory
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ChemExpo
- contains chemical profiles, produced by Schnell Publishing
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ChemFinder.com
Search by a name-, formula-, MW-, CAS RN-, and *substructure*-searchable
chemical database. The ChemFinder WebServer indexes over 150 chemical
information sites.
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Chemical Market
Reporter
- latest issue is online
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Chemical Online
- buyers guide, job listing, bookstore
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Chemical Week Buyers' Guide
- registration necessary
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ChemInfo
, Indiana University course on finding Chemical information
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ChemNet
- suppliers directory, classifieds, scrolling tape of chemical prices
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Chemsources
- list chemical suppliers and equipment
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ChemWeb
- offers ChemDex Plus - searchable and reviewed database of chemistry
resources on the Web. (must register)
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Current Industrial Reports
- production figures for various chemicals by U.S. Census.
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ECDIN -
Environmental Chemicals Data Information Network
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EQUEX - The Equipment Exchange
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ECDIN
is a factual databank, created under the Environmental Research
Programme of the Joint Research Centre (JRC) of the Commission of
European Communities at the Ispra Establishment. Chemicals are
searchable by name, molecular formula or CAS Registry Number. Possible
available date include: Identification, Physical-Chemical Properties,
Production and Use, Legislation and Rules, Occupational Health and
Safety, Toxicity, Concentrations and Fate in the Environment, Detection
Methods, Hazards and Emergency. Not all chemicals listed will have data
in all fields.
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Fisher Chemicals
(Fisher Scientific Chemical Catalog)
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Grainger
- industrial catalog
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Hazardous Chemicals
Database
This database, created at the University of Akron, will allow the user
to retrieve information for any of over 1300 hazardous chemicals based
on a keyword search. Potential keywords include names, formula and
registry numbers (CAS, DOT, RTECS and EPA).
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IUPAC Chemical
Nomenclature
This site, housed at Queen Mary and Westfield College, contains a number
of IUPAC documents on organic and biochemical nomenclature, in many
cases including sample structure diagrams.
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Kinematrix
- Kinematrix designs software for use by chemists, chemical engineers
and other technical personnel charged with running a chemical plant (for
example, ChemPlant Tools)
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Materials
Safety Data Sheets
- 325,000 MSDS sheets maintained by Cornell Environ. Health and Safety
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NIST Chemistry Webbook
The NIST WebBook will provide access to the full array of data compiled
and distributed by NIST under the Standard Reference Data Program.
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NIST Online
Physical Data
This site contains links to the NIST collections of physical data which
have so far been made available over the web, plus a catalog of other
NIST data collections.
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NIST Reference on
Constants, Units and Uncertainty
This National Institute of Standards and Technology has a searchable and
browsable list of the important physical constants with bibliography, as
well as a thorough description of the SI system of units and a
description of methods of expressing degree of uncertainty in
measurements.
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Organic Compounds
Database
This database, compiled at Virginia Tech and made available by Colby
College, provides physical data on a large number of organic compounds,
including molecular weight, melting point, boiling point, index of
refraction and UV absorption peaks. It is searchable by name, molecular
formula or by data values for the above properties.
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Periodic Table
of Elements
Hypertext-linked collection of property data on the first 112 elements
including (where available): general, chemical, physical, nuclear,
electronic, biological, geological, crystallographic, reduction
potential, isotopic abundances, electronic configurations, ionization
enthalpy data and additional textual information, especially on the
history of the elements.
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Royal Society of Chemistry
- UK major publisher and provider of chemical information, supports the
teaching of chemistry at all levels, organises hundreds of chemical
meetings a year and is a leader in communicating science to the public.
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Sigma-Aldrich
Chemical Company
- provides current prices of raw chemicals
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SOLV-DB
SOLV-DB is a database of physical, chemical, health and safety,
regulatory and environmental fate data on over 100 common organic
solvents, provided by the National Center for Manufacturing Sciences. It
is searchable by name, formula, CAS Registry Number, property data
values and so forth.
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Table Of The
Nuclides
The Table of the Nuclides first presents a map of all known nuclides.
Each horizontal row represents one element; colored dots indicate the
known isotopes of that element. A vertical column represents the
nuclides with same neutron numbers. By clicking on a region of the
chart, you may see a more detailed chart section. From the colors on the
chart, you can get an idea of the life time of a nuclide. By clicking on
a cell, you can get properties of the nuclide or atom.
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Table
of the Properties of 200 Linear Macromolecules and Small Molecules
This resource, maintained by Oak Ridge National Laboratory and the
University of Tennessee - Knoxville, tabulates selected thermophysical
properties for a variety of polymers and some other substances.
Properties are primarily related to glass-amorphous transitions,
specific heats, etc. The tables are a bit hard to decipher, but there
are good explanations.
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Thermodex
While this web site does not actually list thermophysical or
thermochemical data, it is an extremely useful index to such data
available in a host of printed data collections (excluding Beilstein,
Landolt-Bornstein, the CRC Handbook and Perry's Handbook), searchable by
name of property, class of compound, specific compound or combinations
of the above. Thermodex is the creation of the Library of the University
of Texas at Austin and the call numbers referenced refer to their
library only.
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World Wide Chemnet, Inc.
- global distributor for chemical products
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WWW Chemicals
Global Network of Chemical Manufacturers and Distributors
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