Demeton
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CAS
8065-48-3
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(C2H5O)2PSOC2H4SC2H5
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RTECS
TF3150000
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Synonyms & Trade Names
O-O-Diethyl-O(and S)-2-(ethylthio)ethyl phosphorothioate mixture; Systox®
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DOT ID & Guide
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Exposure Limits
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NIOSH REL: TWA 0.1 mg/m3 [skin]
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OSHA PEL: TWA 0.1 mg/m3 [skin]
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IDLH
10 mg/m3
See: 8065483
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Conversion
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Physical Description
Amber, oily liquid with a sulfur-like odor. [insecticide]
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MW: 258.3
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BP: Decomposes
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FRZ: <-13°F
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Sol: 0.01%
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VP: 0.0003 mmHg
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IP: ?
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Sp.Gr: 1.12
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Fl.P: 113°F
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UEL: ?
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LEL: ?
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Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.
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Incompatibilities & Reactivities
Strong oxidizers, alkalis, water
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Measurement Methods
NIOSH 5514
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: Daily
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH/OSHA
Up to 1 mg/m3: (APF = 10) Any supplied-air respirator
Up to 2.5 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode
Up to 5 mg/m3: (APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode (APF = 50) Any self-contained breathing apparatus with a full facepiece (APF = 50) Any supplied-air respirator with a full facepiece
Up to 10 mg/m3: (APF = 1000) Any supplied-air respirator operated in a pressure-demand or other positive-pressure mode
Emergency or planned entry into unknown concentrations or IDLH conditions: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode (APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus
Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters./Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin; miosis, ache eyes, rhinorrhea (discharge of thin mucus), headache; chest tightness, wheezing, laryngeal spasm, salivation, cyanosis; anorexia, nausea, vomiting, abdominal cramps, diarrhea; localized sweating; muscle fasciculation, lassitude (weakness, exhaustion), paralysis; dizziness, confusion, ataxia; convulsions, coma; low blood pressure; cardiac irregularities
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Target Organs
Eyes, skin, respiratory system, cardiovascular system, central nervous system, blood cholinesterase
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See also: INTRODUCTION
See MEDICAL TESTS: 0066
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