Methyl demeton |
Synonyms & Trade Names Demeton methyl; O,O-Dimethyl 2-ethylmercaptoethyl thiophosphate; Metasystox®; Methyl mercaptophos; Methyl systox® |
CAS No. 8022-00-2 |
RTECS No. TG1760000 |
DOT ID & Guide |
FormulaC6H15O3PS2 |
Conversion |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 0.5 mg/m3 [skin]
OSHA PEL†: none |
Measurement Methods
None available
See: NMAM or OSHA Methods |
Physical Description Oily, colorless to pale-yellow liquid with an unpleasant odor. [insecticide] [Note: Technical grade consists of 2 isomers: thiono & thiolo.] |
MW: 230.3 |
BP: Decomposes |
FRZ: ? |
Sol: 0.03-0.3% |
VP: 0.0004 mmHg |
IP: ? |
Sp.Gr: 1.20 |
Fl.P: ? |
UEL: ? |
LEL: ? |
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| Combustible Liquid |
Incompatibilities & Reactivities Strong oxidizers, alkalis, water |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin; ache eyes, rhinorrhea (discharge of thin nasal mucus); nausea, headache, dizziness, vomiting |
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: 0862
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