Methyl Ethyl Ketone (2-Butanone)

NIOSH Resources

NIOSH Pocket Guide to Chemical Hazards
DHHS (NIOSH) Publication No. 2005-149
Exposure limits, Respirator Recommendations, First Aid, more...
The Pocket Guide is a source of general industrial hygiene information on several hundred chemicals/classes found in the work environment. Key data provided for each chemical/substance includes name (including synonyms/trade names), structure/formula, CAS/RTECS Numbers, DOT ID, conversion factors, exposure limits, IDLH, chemical and physical properties, measurement methods, personal protection, respirator recommendations, symptoms, and first aid.

• 2-Butanone (Methyl Ethyl Ketone) (CAS No. 78-93-3)

International Chemical Safety Cards
An ICSC summarizes essential health and safety information on chemicals for their use at the "shop floor" level by workers and employers in factories, agriculture, construction and other work places.

• Methyl ethyl ketone (2-Butanone, MEK, Methyl acetone)

Documentation for Immediately Dangerous to Life or Health Concentrations (IDLH)
The IDLH documents the criteria and information sources that have been used by NIOSH to determine immediately dangerous to life or health concentrations.

• 2-Butanone

NIOSH Manual of Analytical Methods (NMAM)
NMAM is a collection of methods for sampling and analysis of contaminants in workplace air, and in the blood and urine of workers who are occupationally exposed.

• Volatile Organic CPDS (Screening) (No. 2549) PDF only 93 kb (8 pages)
• Methyl ethyl ketone I (No. 2500) PDF only 106 kb (4 pages)

Occupational Safety and Health Guideline for Methyl Ethyl Ketone
 PDF only 288 KB (6 pages)

Related Resources

Agency for Toxic Substances Disease Registry - ToxFAQs: 2-Butanone
External Link: http://www.atsdr.cdc.gov/tfacts29.html

Toxicological Profile for 2-Butanone (ATSDR)
External Link: http://www.atsdr.cdc.gov/toxprofiles/tp29.html

OSHA (Chemical Sampling Information): Methyl Ethyl Ketone
External Link: http://www.osha.gov/dts/chemicalsampling/data/CH_222300.html

New Jersey Hazardous Substance Fact Sheets: Methyl Ethyl Ketone
PDF only 38KB (6 pages)
External Link: http://nj.gov/health/eoh/rtkweb/documents/fs/1258.pdf

Canadian Centre for Occupational Health and Safety: Methyl Ethyl Ketone
External Link: http://www.ccohs.ca/oshanswers/chemicals/chem_profiles/mek/

Acute Exposure Guideline Levels (AEGLs) (EPA): Methyl Ethyl Ketone
External Link: http://www.epa.gov/oppt/aegl/pubs/results77.htm

EPA (Air Toxics): Methyl Ethyl Ketone
External Link: http://www.epa.gov/ttn/atw/hlthef/methylet.html

EPA (Chemical Summary): Methyl Ethyl Ketone
External Link: http://www.epa.gov/opptintr/chemfact/s_mek.txt

Integrated Risk Information System (IRIS): Methyl Ethyl Ketone
External Link: http://www.epa.gov/iris/subst/0071.htm

NLM (Hazardous Substance Data Bank): Methyl Ethyl Ketone
External Link: http://toxnet.nlm.nih.gov/cgi-bin/sis/search/r?dbs+hsdb:@term+@rn+@rel+78-93-3

NLM (Haz-Map): Methyl Ethyl Ketone
External Link: http://hazmap.nlm.nih.gov/cgi-bin/hazmap_search?queryx=78-93-3&tbl=TblAgents

NLM (Household Product Database): Methyl Ethyl Ketone
External Link: http://hpd.nlm.nih.gov/cgi-bin/household/search?queryx=78-93-3&tbl=TblChemicals&prodcat=all

European Chemical Substance Information System (ESIS): 2-Butanone
External Link: http://ecb.jrc.ec.europa.eu/esis/index.php?GENRE=CASNO&ENTREE=78-93-3