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Chemical Sampling Information (CSI)
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General Description

Synonyms: GB; Methylphosphonofluoridic acid 1-methyl-ethyl ester; Sarin II; Isopropoxymethylphosphoryl fluoride; Trilone; MFI; TL1 618; Isopropyl methanefluorophosphonate; Isopropyl methylfuorophosphate; Isopropyl Methylphosphonofluoridate; T144; T2106; Fluoroisopropoxymethyl phospline phosphine oxide; Fluoroisopropoxymethyl-phosphine; Methylfluoro-isopropyl ester

OSHA IMIS Code Number: S315

Chemical Abstracts Service (CAS) Registry Number: 107-44-8

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: TA8400000; 58403

Chemical Description and Physical Properties:

liquid
molecular weight: 140.11 Miscible with and hydrolyzed by water.
boiling point: 147°C

Health Factors

Health Effects: Extremely active cholinesterase inhibitor. Toxic effects similar to, but more severe than parathion.

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
    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: Not Validated
    note: OSHA personnel may obtain sampling tubes from SLTC.

Wipe Sampling Method:

  • sampling media: Glass Fiber Filter
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