NIOSH Pocket Guide

Temephos

CAS

3383-96-8

S[C6H4OP(S)(OCH3)2]2

RTECS

TF6890000

Synonyms & Trade Names


Abate®; Temefos; O,O,O'O'-Tetramethyl O,O'-thiodi-p-phenylene phosphorothioate

DOT ID & Guide
 

Exposure
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)
IDLH

N.D. 

Conversion
Physical Description
 

White, crystalline solid or liquid (above 87°F). [insecticide] [Note: Technical grade is a viscous, brown liquid.]

MW: 466.5
 
BP: 248-257°F (Decomposes)
 
MLT: 87°F
 
Sol: Insoluble
 
VP(77°F): 0.00000007 mmHg
 
IP: ?
 

 
Sp.Gr: 1.32
 
Fl.P: ?
 
UEL: ?
 
LEL: ?
 

 
Combustible Solid
Incompatibilities & Reactivities


None reported

Personal Protection & Sanitation


Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily

 

First Aid


Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
 

Respirator Recommendations

Not available.
 

Exposure Routes

inhalation, skin absorption, ingestion, skin and/or eye contact

Symptoms

Irritation eyes, blurred vision; dizziness; dyspnea (breathing difficulty); salivation; abdominal cramps, nausea, diarrhea, vomiting

Target Organs

Eyes, respiratory system, central nervous system, cardiovascular system, blood cholinesterase
 

 

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