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Chemical Sampling Information (CSI)
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General Description

Synonyms: Tetraethyl pyro-phosphorodithionate; Sulfotep; Tetraethyl dithio-pyrophosphate; Tetraethyl dithiopyro-phosphate

OSHA IMIS Code Number: 2327

Chemical Abstracts Service (CAS) Registry Number: 3689-24-5

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: XN4375000; 82567

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1704 153; UN1704

NIOSH Pocket Guide to Chemical Hazards, TEDP: chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:
yellow liquid with a garlic odor
molecular weight: 322
boiling point: Decomposes
vapor pressure: Very low
Incompatibilities: Strong oxidizers

Exposure Limits

OSHA Permissible Exposure Limit (PEL):
General Industry: 0.2 mg/m3 (skin)
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.2 mg/m3 TWA (Skin); Appendix A4 (Not Classifiable as a Human Carcinogen) (TLV listed under Sulfotep)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.2 mg/m3 TWA (Skin)

Health Factors

Potential Symptoms: Eye pain, blurred vision, lacrimation, rhinorrhea; headaches; + cyanosis; anorexia, nausea, vomiting, diarrhea; local sweating; weakness, twitching, paralysis; Cheyne-Stokes respiration; convulsions; low blood pressure; cardiac irregularities; eye, skin irritation

Health Effects: Cholinesterase inhibition (HE6)

Affected Organs: CNS, respiratory system, CVS
Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:
  • 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: 1.0 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 SLTC

Conditions: Acetonitrile extraction; OV 225; Oven T 150 deg.C; Inj T 200 deg. C; Det T 200 deg. C; Retention time, 3.2 min; 2.4 ng/inj; C/P YC

Wipe Sampling Method:

  • sampling media: Glass Fiber Filter

Bulk Method: Limit the amount of bulk submitted to one gram or one mL

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