High quality Agrochemical/Insecticide Carbaryl/Sevin/Sevimol 98%TC 85%WP CAS 63-25-2

Common name

Carbaryl

Chemicalname

1-naphthyl methylcarbamate

CAS No

63-25-2

Molecular formula

C12H11NO2

Description

1.Melting Point:142C

2.Vapour Pressure:4.1x10-2 mPa (23.5C)

3.Molecular weight:201.2

4.Solubility : In water 120 mg/l (20C). Readily soluble in polar

organic solvents. In dimethylformamide, dimethyl sulfoxide 400-450,

acetone 200-300, cyclohexanone 200-250, isopropanol 100,

xylene 100 (all in g/kg, 25C).

5.Stability:Stable under neutral and weakly acidic

conditions. Hydrolysed in alkaline media to 1-naphthol;

DT50 c. 12 d (pH 7), 3.2 h (pH 9). Stable to light and heat. F.p.: 193C

Toxicity

MAMMALIAN TOXICOLOGY
Oral: Acute oral LD50 for rats 264, female rats 500, rabbits 710 mg/kg.
Skin and eye: Acute percutaneous LD50 for rats >4000, rabbits >2000 mg/kg.

Slight eye irritant, mild skin irritant (rabbits).
Inhalation: LC50 (4 h) for rats 3.28 mg/l air.
NOEL: (2 y) for rats 200 mg/kg diet.
ADI: 0.003 mg/kg b.w.
Toxicity class: WHO (a.i.) II; EPA (formulation) I ('Tercyl' 85WP), II ('Sevin' 80S), III
EC hazard R40| Xn; R22| N; R50

ECOTOXICOLOGY
Birds: Acute oral LD50 for young mallard ducks >2179, young pheasants >2000,

Japanese quail 2230, pigeons 1000-3000 mg/kg.
Fish: LC50 (96 h) for rainbow trout 1.3, sheepshead

minnow 2.2, bluegill sunfish 10 mg/l.
Daphnia: LC50 (48 h) 0.006 mg/l.
Algae: EC50 (5 d) for Selenastrum capricornutum 1.1 mg/l.
Other aquatic spp.: LC50 (96 h) for mysid shrimp (Mysidopsis bahia) 0.0057 mg/l;

LC50 (48 h) for Eastern oyster (Crassostrea virginica) 2.7 mg/l.
Bees: Toxic to bees; LD50 (topical) 1 g/bee.
Worms: LC50 (28 d ) 106-176 mg/kg soil.
Other beneficial spp.: Toxic to beneficial insects.

Mode of action

Insecticide with contact and stomach action, and slight systemic properties.

Function

Control of Lepidoptera, Coleoptera, and other chewing and sucking

insects at 0.25-2.0 kg a.i./ha on more than 120 different crops,

including vegetables, tree fruit (including citrus), mangoes, bananas,

strawberries, nuts, vines, olives, okra, cucurbits, peanuts, soya beans,

cotton, rice, tobacco, cereals, beet, maize, sorghum, alfalfa, potatoes,

ornamentals, forestry, etc. Control of earthworms in turf. Used as a growth

regulator for fruit thinning of apples. Also used as an animal ectoparasiticide.

Phytotoxicity: Non-phytotoxic if used as directed. Under certain conditions,

some varieties of apple and pear may be injured.