Iso 9001

NIOSH POCKET GUIDE TO CHEMICAL HAZARDS

DEPARTMENT OF HEALTH AND HUMAN SERVICES
Centers for Disease Control and Prevention
National Institute for Occupational Safety and Health

September 2007

DHHS (NIOSH) Publication No. 2005-149

First Printing – September 2005 Second Printing – August 2006, with minor technical changes Third Printing – September 2007, with minor technical changesi

DISCLAIMER
Mention of the name of any company or product does not constitute endorsement by the National Institute for Occupational Safety and Health (NIOSH). In addition, citations to Web sites external to NIOSH do not constitute NIOSH endorsement of the sponsoring organizations or their programs or products. Furthermore, NIOSH is not responsible for the content of these Web sites.ORDERING INFORMATION
To receive documents or other information about occupational safety and health topics, contact NIOSH at: Telephone: 1-800-CDC-INFO (1-800-232-4636) TTY: 1-888-232-6348 E-mail: cdcinfo@cdc.gov NIOSH Web site: http://www.cdc.gov/niosh For a monthly update on news at NIOSH, subscribe to NIOSH eNews by visiting www.cdc.gov/niosh/eNews. For sale by: Superintendent of Documents U.S.Government Printing Office P.O. Box 371954 Pittsburgh, PA 15250-7954 GPO stock number: 017-033-00500-1 Internet: http://bookstore.gpo.gov Telephone: (202) 512-1800 Toll-free telephone: (866) 512-1800 Fax: (202) 512-2104 NTIS stock number: PB2005-108099 Internet: http://www.ntis.gov Telephone: (703) 605-6000 Toll-free telephone: (800) 553-6847

National Technical Information Service 5285 PortRoyal Road Springfield, VA 22161 Telephone: (703) 605-6000

This document is in the public domain and may be freely copied or reprinted.

SAFER • HEALTHIER • PEOPLE™
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ELECTRONIC VERSIONS
The Pocket Guide is available in CD-ROM format from NIOSH and is on the NIOSH Web site (http://www.cdc.gov/niosh/npg/npg.html). Further information about these electronic versions, or about copies of thisand other NIOSH documents, may be obtained from the office listed below: NIOSH Publications 4676 Columbia Parkway Cincinnati, Ohio 45226-1998 Toll-free telephone: (800) 356-4674 Fax: (513) 533-8573 The Pocket Guide is also made available through commercial vendors in electronic formats. It is currently available in CD-ROM format from the vendors listed below. Please contact them directly toreceive more detailed information, including the prices of their products. Canadian Centre for Occupational Health and Safety Hamilton, Ontario, Canada Toll-free telephone: (800) 668-4284 Fax: (905) 572-2206 Industrial Hygiene Services, Inc. St. Louis, Missouri Toll-free telephone: (800) 732-3015 Fax: (314) 726-6361 Emergency Response Specialists, Inc. Birmingham, Alabama Telephone: (205) 324-0100Praxis Environmental Systems, Inc. Guilford, Connecticut Telephone: (203) 458-7111 Fax: (203) 458-7121 Micromedex, Inc. Englewood, Colorado Toll-free telephone: (800) 525-9083 Fax: (800) 635-6339 Tecsa S.p.A. Italy (portion in Italian) Telephone: +39 2 33910.484 Fax: +39 2 33910.737

COMMENTS & SUGGESTIONS
We encourage and welcome any comments, suggestions, or corrections that you may have regardingthe Pocket Guide. You can use the Reader Response Card included with the Pocket Guide, or you can contact us via e-mail or telephone. Thank you for your comments and suggestions. E-mail address: npgcomments@cdc.gov Toll-free telephone: (800) 356-4674

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PREFACE
The NIOSH Pocket Guide to Chemical Hazards presents information taken from the NIOSH/OSHA Occupational Health Guidelines forChemical Hazards, from National Institute for Occupational Safety and Health (NIOSH) criteria documents and Current Intelligence Bulletins, and from recognized references in the fields of industrial hygiene, occupational medicine, toxicology, and analytical chemistry. The information is presented in tabular form to provide a quick, convenient source of information on general industrial hygiene...