NAME: Methomyl
SYNONYM(s): N-[[(Methylamino)carbonyl]oxy]ethanimidothioic Acid Methyl Ester; Nudrin; Lannate
IMIS: 1644
CAS: 16752-77-5
NIOSH: RTECS AK2975000; 2876
DESCRIPTION:
Solid.
MP: 78-79 C
Exposure Limits
ACGIH TLV: 2.5 mg/m3 TWA; Appendix A4 (Not Classifiable as a Human Carcinogen)
NIOSH REL: 2.5 mg/m3 TWA
Health Factors
HEALTH EFFECTS: Cholinesterase inhibition (HE6) Mutagen (HE2); LD50 (oral, rat) 17 mg/kg
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA: OSHA Versatile Sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg sections, 20/60 mesh) with Glass Fiber Filter enclosed
ANL SOLVENT: Acetonitrile
MAX V: 60 Liters MAX F: 1.0 L/min
ANL 1: High Performance Liquid Chromatography; HPLC/UV
REF: 2 (OSHA In-house File)
CLASS: Partially Validated
COND: HPLC/UV; Acetonitrile extraction; C18 column; 25% methanol 75% water; 1 mL/min; UV Det: 210; Retention time, 4.7 min; DL 8.8 ng/inj; C/P
WIPE:
Yes, with Glass Fiber Filter.
BULK METHOD:
Limit the amount of bulk submitted to one gram or one mL.
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