NAME: Demeton
SYNONYM(s): o-o-Diethyl o(and s)-z-(ethylthio)ethyl phosphorothioate mixture; Systox; Bayer 8169; Demeton-o + Demeton-s; Demox; E-1059; Mercaptophos
IMIS: 0857
CAS: 8065-48-3
NIOSH: RTECS TF3150000; 59390
DESCRIPTION:
Light brown liquid with an odor of sulfur compounds.
MW: 258
BP: (2 mm): 273 F
VP: Very low
MP: -13 F
INCOM: Strong oxidizers
Exposure Limits
OSHA GENERAL INDUSTRY PEL: 0.1 mg/m3 (Skin)
OSHA CONSTRUCTION INDUSTRY PEL: 0.1 mg/m3 TWA (Skin)
ACGIH TLV: 0.05 mg/m3 TWA (Inhalable Fraction) (Vapor and Aerosol) (Skin)
NIOSH REL: 0.1 mg/m3 TWA (Skin)
Health Factors
SYMPTOM(s): Miosis, aching eyes; rhinorrhea; headaches; chest pain, wheezing, laryngeal spasms; salivation; cyanosis; anorexia, nausea, vomiting, abdominal cramps, diarrhea; local sweating; muscle fasciculation; weakness; paralysis; giddiness, confusion, ataxia; convulsions; coma; low blood pressure; cardiac irregularities; eye, skin irritation
HEALTH EFFECTS: Cholinesterase inhibition (HE6) Suspect teratogen (HE5); Mutagen (HE2)
ORGAN: Respiratory system, CVS, CNS, skin, eyes, blood cholinestera
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA: OSHA Versatile Sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg sections, 20/60 mesh) with Glass Fiber Filter enclosed
ANL SOLVENT: Toluene
MAX V: 480 Liters MAX F: 1 L/min
ANL 1: Gas chromatography; GC/FPD
REF: 2 (OSHA In-House File)
CLASS: Partially Validated
NOTE: OSHA personnel may obtain sampling tubes from SLTC.
SECONDARY SAMPLING/ANALYTICAL METHOD (SAM2):
CH 27501: 1 microgram
WIPE:
Yes, with Glass Fiber Filter
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