Azinphos-methyl
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CAS
86-50-0
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C10H12O3PS2N3
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RTECS
TE1925000
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Synonyms & Trade Names
O,O-Dimethyl-S-4-oxo-1,2,3-benzotriazin-3(4H)-ylmethyl phosphorodithioate; Guthion®; Methyl azinphos
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DOT ID & Guide
2783 / 152(organophosphorus pesticide, solid, toxic)
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Exposure
Limits
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NIOSH REL: TWA 0.2 mg/m3 [skin]
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OSHA PEL: TWA 0.2 mg/m3 [skin]
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IDLH
10 mg/m3
See: 86500
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Conversion
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Physical Description
Colorless crystals or a brown, waxy solid. [insecticide]
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MW: 317.3
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BP: Decomposes
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MLT: 163°F
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Sol: 0.003%
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VP: 8 x 10-9 mmHg
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IP: ?
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Sp.Gr: 1.44
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Fl.P: NA
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UEL: NA
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LEL: NA
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Noncombustible Solid
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Incompatibilities & Reactivities
Strong oxidizers, acids
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Measurement Methods
NIOSH 5600; OSHA PV2087
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: 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 2 mg/m3:
(APF = 10) Any air-purifying half-mask respirator with organic vapor cartridge(s) in combination with an N95, R95, or P95 filter. The following filters may also be used: N99, R99, P99, N100, R100, P100. Click here for information on selection of N, R, or P filters.
(APF = 10) Any supplied-air respirator
Up to 5 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(APF = 25) Any powered air-purifying respirator with an organic vapor cartridge in combination with a high-efficiency particulate filter.
Up to 10 mg/m3:
(APF = 50) Any air-purifying full-facepiece respirator equipped with organic vapor cartridge(s) in combination with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.
(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.
(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s) in combination with a high-efficiency particulate filter
(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
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
Miosis; ache eyes; blurred vision, lacrimation (discharge of tears), rhinorrhea (discharge of thin mucus); headache; tightness chest, wheezing, laryngeal spasm; salivation; cyanosis; anorexia; nausea, vomiting, diarrhea; sweating; twitching, paralysis, convulsions; low blood pressure, cardiac irregularities
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Target Organs
respiratory system, central nervous system, cardiovascular system, blood cholinesterase
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See also: INTRODUCTION
See ICSC CARD: 0826 See MEDICAL TESTS: 0020
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