Common name: Amitraz
Chemical Abstracts name: N'-(2, 4-dimethylphenyl)-N-[[(2, 4-dimethylphenyl)imino]methyl]-N-methylmethanimidamide
CAS Number: 33089-61-1

PHYSICAL CHEMISTRY:
Mol. Wt. 293.4 M. F. C19H23N3
Appearance: White/pale yellow crystalline solid.

M. P. 86-88 V. P. 0.34 mPa (25 ) using clapeyron-clausius analysis KOW logP = 5.5 (25, pH 5.8) Henry 1.0 Pa m3 mol-1 (measured) S. G. /density 1.128 (20 ) Solubility In water <0.1 mg/l (20 ). Soluble in most organic solvents; In acetone, toluene, xylene >300 g/l. Stability Hydrolysis DT50 (25 ) 2.1 h (pH 5), 22.1 h (pH 7), 25.5 h (pH 9). U. V. Light appears to have little effect on stability. PKa 4.2, weak base

ECOTOXICOLOGY

Birds LD50 for bobwhite quail 788 mg/kg. LC50 (8 d) for mallard ducks 7000, Japanese quail 1800 mg/kg. Fish LC50 (96 h) for rainbow trout 0.74, bluegill sunfish 0.45 mg/l. Due to rapid hydrolysis, it is unlikely that this toxicity will be expressed in natural aquatic systems. Daphnia LC50 (48 h) 0.035 mg/l. Due to rapid hydrolysis, it is unlikely that this toxicity will be expressed in natural aquatic systems. Algae EC50 for Selenastrum capricornutum >12 mg/l. Bees Low toxicity to bees and predatory insects. LD50 (contact) 50 mg/bee (formulation). Worms LC50 (14 d) for earthworms >1000 mg tech. /kg.
Formulation: 98% Tech, 12.5%, 20% EC
Packing: Net 25kg or 200l in drum.