L1 /
14
CH3041
CARBAMATES
(iii) Carbamates
Derivatives
of carbamic acid.
Tend to have Carb in the name.
Tend to have Carb in the name.
• Carbaryl is applied at 3.3kg/ha
• Biodegrades: hydrolysis
1-napthol, CO2, methylamine
1-napthol, CO2, methylamine
• Lower dermal
toxicity than
most OPs. LD50 307, BCF <75 fish, t½ < 30d
most OPs. LD50 307, BCF <75 fish, t½ < 30d
• Used in lawns and gardens.
• Highly toxic to birds. GCMS
• Acetylcholinesterase
inhibitors interfere
with cholinergic nerve transmission.
with cholinergic nerve transmission.
