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Chemical Sampling Information (CSI)
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General Description

Synonyms: N-Methyldithiocarbamic Acid, Sodium Salt; Carbam; Sodium Methyldithiocarbamate; Metam-Sodium

OSHA IMIS Code Number: M348

Chemical Abstracts Service (CAS) Registry Number: 137-42-8

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: FC2100000; 23850

Chemical Description and Physical Properties:

molecular weight: 129.18
molecular formula: C2N4NS2.Na

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: Water
    maximum volume: 40 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/U
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated

Conditions: Column: C18 Mobile Phase: 96/4 Water/Acetonitrile Detector: 236 nm Detection Limit: 57.6 ug/sample (4mL desorption/extraction)

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