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Chemical Sampling Information (CSI)
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General Description

Synonyms: Tordon; 4-Amino-3,5,6-trichloro-2-Pyridinecarboxylic acid

OSHA IMIS Code Number: 2017

Chemical Abstracts Service (CAS) Registry Number: 1918-02-1

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: TJ7525000

NIOSH Pocket Guide to Chemical Hazards, Picloram (Total Dust): chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:

solid
vapor pressure: 6.16 X 10-7 mm at 35°C
melting point: 218-129°C

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 10 mg/m3 TWA; Appendix A4 (Not Classifiable as a Human Carcinogen)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 10 mg/m3

Health Factors

Health Effects: Mutagen/Suspect carcinogen (HE2); LD50 (oral, rat) 3.75 mg/kg

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Glass Fiber Filter (37 mm)
    maximum volume: 480 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated

Conditions: Column: C18 Mobile Phase: 80:20 Water: Acetonitrile Detector Wavelength: 224nm Detection Limit: 0.073 mg/m3

Bulk Method:

  • Limit the amount of bulk submitted to one gram or one mL.

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