NAME: Machette

SYNONYM(s): N-(Butoxymethyl)-2-chloro-N-(2,6-diethylphenyl)acetamide; Butachlor; Machete

IMIS: M175

CAS: 23184-66-9

NIOSH: RTECS AE1200000; 1364

DESCRIPTION:

Amber-colored liquid; used in pre-emergence weed control of rice fields. Not marketed in U.S. since 1977.
MP: -5 C
BP: 156 C (at 0.5 mm)
VP: Approx. 0 mm Hg Solubility in water: 24 ppm

HEALTH EFFECTS: LD50 (rats) 3120 mg/kg

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):

MEDIA: Glass Fiber Filter (37 mm)
ANL SOLVENT: Acetonitrile
MAX V: 100 Liters   MAX F: 1.0 L/min
ANL 1: High Performance Liquid Chromatography; HPLC/U.
REF: 2 (OSHA In-House File)
CLASS: Partially Validated

COND: Zorbax ODS column; 80% acetonitrile 20% water; 1.1 mL/min; Det: 214, 254 nm; retention time, 11 min.; Retention and extraction efficiencies tested; C/P JML 6-83

BULK METHOD:

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