NAME: Co-Ral

SYNONYM(s): Coumaphos; O,O-Diethyl O-(3-chloro-4-methyl-2-oxo(2H)-1- benzopyran-7-yl)phosphorothioate; Diolice; Meldane; Muscatox; Resistox; Asuntol; Bay 21/199; Bazmix; Umbethion

IMIS: 0736

CAS: 56-72-4

NIOSH: RTECS GN6300000; 27163

DOT: NA2783 Poison

DESCRIPTION:

Tan crystalline solid; used in controlling livestock insects.
MW: 363
MP: 90-92 C

HEALTH EFFECTS: A cholinesterase inhibitor; LD50 (oral, rat) 56-230 mg/kg

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: Toluene
MAX V: 480 Liters   MAX F: 1.0 L/min
ANL 1: Gas Chromatography; GC/FPD
REF: 2 (OSHA In-House File)
CLASS: Partially Validated
NOTE: OSHA personnel may obtain sampling tubes from SLTC.

COND: Toluene extraction; Capillary column SE-54 (45 m x 0.2 mm i.d.) with 0.25 um film thickness; column temp 160 C: Inlet 250 C; FPD detector 250 C; DL 0.035 ng/inj; Retention time 26 min

WIPE:

Yes, with Glass Fiber Filter

BULK METHOD:

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