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Phorate

Synonyms & Trade Names
O,O-Diethyl S-(ethylthio)methylphosphorodithioate; O,O-Diethyl S-ethylthiomethylthiothionophosphate; Thimet; Timet
CAS No.
298-02-2
RTECS No.
TD9450000
DOT ID & Guide
3018 152 (organophosphorus pesticide, liquid, toxic)
Formula
(C2H5O)2P(S)SCH2SC2H5
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 0.05 mg/m3 ST 0.2 mg/m3 [skin]
OSHA PEL
: none
Measurement Methods

NIOSH 5600
See: NMAM or OSHA Methods
Physical Description
Clear liquid with a skunk-like odor. [insecticide]
MW:
260.4
BP:
?
FRZ:
-45°F
Sol:
0.005%
VP:
0.0008 mmHg
IP:
?
Sp.Gr(77°F): 1.16 Fl.P(oc): 320°F
UEL:
?
LEL:
?
Class IIIB Combustible Liquid: Fl.P. at or above 200°F., but does not readily ignite.
Incompatibilities & Reactivities
Water, alkalis [Note: Hydrolyzed in the presence of moisture and by alkalis.]
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, respiratory system; miosis; rhinorrhea (discharge of thin nasal mucus); headache; chest tightness, wheezing, laryngeal spasm, salivation, cyanosis; anorexia, nausea, vomiting, abdominal cramps, diarrhea; sweating; muscle fasciculation, lassitude (weakness, exhaustion), paralysis; dizziness, confusion, ataxia; convulsions, coma; low blood pressure; cardiac irreg
Target Organs
Eyes, skin, respiratory system, central nervous system, cardiovascular system, blood cholinesterase
Personal Protection/Sanitation
(See protection codes)
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
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 1060
 
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