NIOSH Pocket Guide to Chemical Hazards


CAS 115-90-2


RTECS TF3850000
Synonyms & Trade Names
Dasanit®; O,O-Diethyl O-(p-methylsulfinyl)phenyl)phosphorothioate; Terracur P®
DOT ID & Guide


NIOSH REL: TWA 0.1 mg/m3
OSHA PEL†: none
IDLH N.D. See: IDLH INDEX Conversion
Physical Description
Brown liquid or yellow oil. [pesticide]
MW: 308.4
BP: ?
FRZ: ?
Sol(77°F): 0.2%
VP: ?
IP: ?

Sp.Gr: 1.20
Fl.P: ?
UEL: ?
LEL: ?

Combustible Liquid
Incompatibilities & Reactivities
Measurement Methods
None available
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Important additional information about respirator selection
Respirator Recommendations Not available.
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation skin; nausea, vomiting, abdominal cramps, diarrhea, salivation; headache, dizziness, lassitude (weakness, exhaustion); rhinorrhea (discharge of thin mucus), chest tightness; blurred vision, miosis; cardiac irregular; muscle fasciculation; dyspnea (breathing difficulty)
Target Organs Skin, respiratory system, central nervous system, cardiovascular system, blood cholinesterase