03-02-2018, 04:32 PM
General Description:
Synonyms: o-o-Diethyl o(and s)-z-(ethylthio)ethyl phosphorothioate mixture; Systox; Bayer 8169; Demeton-o + Demeton-s; Demox; E-1059; Mercaptophos
OSHA IMIS Code Number: 0857
Chemical Abstracts Service (CAS) Registry Number: 8065-48-3
NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: www.cdc.gov/niosh-rtecs/tf3010b0.html; 59390
Chemical Description and Physical Properties:
light brown liquid with an odor of sulfur compounds.
molecular weight: 258
boiling point: (2 mm): 273°F
vapor pressure: Very low
melting point: -13°F
Incompatibilities: Strong oxidizers
Exposure Limits
OSHA Permissible Exposure Limit (PEL):
General Industry: 0.1 mg/m3 (Skin)
Construction Industry: 0.1 mg/m3 TWA (Skin)
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.05 mg/m3 TWA (Inhalable Fraction) (Vapor and Aerosol) (Skin)
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.1 mg/m3 TWA (Skin)
Health Factors
Potential Symptoms: 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)
Affected Organs: Respiratory system, CVS, CNS, skin, eyes, blood cholinestera
Monitoring Methods used by OSHA
Primary Laboratory Sampling/Analytical Method (SLC1):
Synonyms: o-o-Diethyl o(and s)-z-(ethylthio)ethyl phosphorothioate mixture; Systox; Bayer 8169; Demeton-o + Demeton-s; Demox; E-1059; Mercaptophos
OSHA IMIS Code Number: 0857
Chemical Abstracts Service (CAS) Registry Number: 8065-48-3
NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: www.cdc.gov/niosh-rtecs/tf3010b0.html; 59390
Chemical Description and Physical Properties:
light brown liquid with an odor of sulfur compounds.
molecular weight: 258
boiling point: (2 mm): 273°F
vapor pressure: Very low
melting point: -13°F
Incompatibilities: Strong oxidizers
Exposure Limits
OSHA Permissible Exposure Limit (PEL):
General Industry: 0.1 mg/m3 (Skin)
Construction Industry: 0.1 mg/m3 TWA (Skin)
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.05 mg/m3 TWA (Inhalable Fraction) (Vapor and Aerosol) (Skin)
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.1 mg/m3 TWA (Skin)
Health Factors
Potential Symptoms: 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)
Affected Organs: Respiratory system, CVS, CNS, skin, eyes, blood cholinestera
Monitoring Methods used by OSHA
Primary Laboratory Sampling/Analytical Method (SLC1):
- sampling media: OSHA Versatile Sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg sections, 20/60 mesh) with Glass Fiber Filter enclosed
analytical solvent: Toluene
maximum volume: 480 Liters
maximum flow rate: 1 L/min
current analytical method: Gas chromatography; GC/FPD
method reference: 2 (OSHA In-House File)
method classification: Partially Validated
note: OSHA personnel may obtain sampling tubes from the Salt Lake Technical Center.
- CH 27501: 1 microgram
- sampling media: Glass Fiber Filter
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