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Ziram

General Description

  • Synonyms: Zinc dimethyldithiocarbamate
  • OSHA IMIS Code Number: Z126
  • Chemical Abstracts Service (CAS) Registry Number: 137-30-4
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: ZH0525000; 88608
  • Chemical Description and Physical Properties:
    • white solid, can form a flammable dust
    • melting point: 250°C

Health Factors

  • Carcinogenic Classification:
    • International Agency for Research on Cancer (IARC): Group 3, not classifiable as to its carcinogenicity to humans
  • Health Effects: LD50 (oral, rat) 1400 mg/kg

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • OSHA Versatile Sampler (OVS-2) - 13 mm XAD-2 Tube (270/140 mg sections, 20/60 mesh) with Glass Fiber Filter enclosed
  • analytical solvent: Chloroform
  • maximum volume: 180 Liters
  • maximum flow rate: 1.0 L/min
  • current analytical method: High Performance Liquid Chromatography; HPLC/UV
  • method reference: 2 (OSHA PV2073)
  • method classification: Partially Validated
  • note: OSHA personnel may obtain sample tubes from the Salt Lake Technical Center.
Bulk Method:
  • Limit the amount of bulk submitted to one gram or one mL.
Conditions:

Chloroform extraction; 50 mm x 4.6 mm Econ C8 column; 86% Methanol/14% Water, 0.0001M zinc-4-dodecyldiethylenetriamine complex; 0.13 M ammonium acetate; pH 7.2; flow 0.5 mL/min; 2 uL injection; RT 2.5 + min; DL 2.1 ng/injection; UV 280 nm; 250 nm C/P 5/88

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