Temephos
Synonyms & Trade Names
Abate®, Temefos, O,O,O'O'-Tetramethyl O,O'-thiodi-p-phenylene phosphorothioateExposure Limits
NIOSH REL
TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)OSHA PEL
TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) See Appendix GPhysical Description
White, crystalline solid or liquid (above 87°F). [insecticide] [Note: Technical grade is a viscous, brown liquid.]Molecular Weight
466.5Boiling Point
248-257°F (Decomposes)Melting Point
87°FSolubility
InsolubleVapor Pressure
(77°F): 0.00000007 mmHgIonization Potential
?Specific Gravity
1.32Flash Point
?Upper Exposive Limit
?Lower Explosive Limit
?
Combustible Solid
Incompatibilities & Reactivities
None reportedExposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contactSymptoms
irritation eyes, blurred vision; dizziness; dyspnea (breathing difficulty); salivation; abdominal cramps, nausea, diarrhea, vomitingTarget Organs
Eyes, respiratory system, central nervous system, cardiovascular system, blood cholinesterasePersonal Protection/Sanitation
(See protection codes)Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:Daily
First Aid
(See procedures)Eye:Irrigate immediately
Skin:Soap wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
Not available.
- 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