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Chemical Sampling Information (CSI)
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General Description

Synonyms: 2-(Dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxoethanoimido- thioic acid methyl ester; Oxamyl; Thioxamy

OSHA IMIS Code Number: 2585

Chemical Abstracts Service (CAS) Registry Number: 23135-22-0

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: RP2300000; 53650

Chemical Description and Physical Properties:

crystalline solid, slight sulfurous odor
melting point: 100-102°C

Health Factors

Health Effects: LD50 (oral, rat) 5 mg/kg

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
    maximum volume: 60 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated
    note: OSHA personnel may obtain sampling tubes from the Salt Lake Technical Center.

Conditions: Acetonitrile extraction; Zorbax ODS column; 45% Acetonitrile 55% water; 1 mL/min; UV 214; Retention time 2.6 min; DL 0.2 ug/sample; C/P JML 10/83

Bulk Method:

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

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