Di-sec octyl phthalate
Synonyms & Trade NamesDEHP, Di(2-ethylhexyl)phthalate, DOP, bis-(2-Ethylhexyl)phthalate, Octyl phthalate
DOT ID & Guide
IDLHCa [5000 mg/m3]
NIOSH RELCa TWA 5 mg/m3 ST 10 mg/m3 See Appendix A
OSHA PELTWA 5 mg/m3 See Appendix G
Physical DescriptionColorless, oily liquid with a slight odor.
Vapor Pressure<0.01 mmHg
Flash Point(oc) 420°F
Upper Exposive Limit?
Lower Explosive Limit(474°F): 0.3%
Incompatibilities & ReactivitiesNitrates; strong oxidizers, acids & alkalis
Exposure Routesinhalation, ingestion, skin and/or eye contact
Symptomsirritation eyes, mucous membrane; In Animals: liver damage; teratogenic effects; [potential occupational carcinogen]
Target OrgansEyes, respiratory system, central nervous system, liver, reproductive system, gastrointestinal tract
Cancer Site[in animals: liver tumors]
Personal Protection/Sanitation(See protection codes)
Wash skin:No recommendation
First Aid(See procedures)
Swallow:Medical attention immediately
At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division