Ethion |
Synonyms & Trade Names O,O,O',O'-Tetraethyl S,S'-methylene di(phosphorodithioate) |
CAS No. 563-12-2 |
RTECS No. TE4550000 |
DOT ID & Guide |
Formula[(C2H5O)2P(S)S]2CH2 |
Conversion |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 0.4 mg/m3 [skin]
OSHA PEL†: none |
Measurement Methods
NIOSH 5600
See: NMAM or OSHA Methods |
Physical Description Colorless to amber-colored, odorless liquid. [insecticide] [Note: A solid below 10°F. The technical product has a very disagreeable odor.] |
MW: 384.5 |
BP: >302°F (Decomposes) |
FRZ: 10°F |
Sol: 0.0001% |
VP: 0.0000015 mmHg |
IP: ? |
Sp.Gr: 1.22 |
Fl.P: 349°F |
UEL: ? |
LEL: ? |
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| Class IIIB Combustible Liquid: Fl.P. at or above 200°F. |
Incompatibilities & Reactivities Acids, alkalis |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin; nausea, vomiting, abdominal cramps, diarrhea, salivation; headache, dizziness, lassitude (weakness, exhaustion); rhinorrhea (discharge of thin nasal mucus), chest tightness; blurred vision, miosis; cardiac irreg; muscle fasciculation; dyspnea (breathing difficulty) |
Target Organs Eyes, skin, respiratory system, central nervous system, cardiovascular system, blood cholinesterase |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0888
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