Product Name

Carbendazim

Function

Fungicide

Specification

98%Tech, 500g/L SC

Chemical Name

methyl 1H-benzimidazol-2-ylcarbamate

CAS No.

10605-21-7

Empirical Formula

C9H9N3O2

Toxicology

Oral Acute oral LD50 for rats 6400, dogs >2500 mg/kg.

Skin and eye Acute percutaneous LD50 for rabbits >10 000, rats >2000 mg/kg. Non-irritating to skin and eyes (rabbits). Not a skin sensitiser (guinea pigs).

Inhalation LC50 (4 h) for rats, rabbits, guinea pigs or cats, no effect with suspension (10 g/l water).

NOEL (2 y) for dogs 300 mg/kg diet, corresponding to 6-7 mg/kg b.w.

ADI (JMPR) 0.03 mg/kg b.w. [1995].

Other Acute i.p. LD50 for male rats 7320, female rats 15 000 mg/kg.

Toxicity class WHO (a.i.) U.

Applications

Mode of action Systemic fungicide with protective and curative action. Absorbed through the roots and green tissues, with translocation acropetally. Acts by inhibiting development of the germ tubes, the formation of appressoria, and the growth of mycelia.  Uses Control ofSeptoria, Fusarium, Erysiphe and Pseudocercosporella in cereals;Sclerotinia, Alternaria and Cylindrosporium in oilseed rape; Cercosporaand Erysiphe in sugar beet; Uncinula and Botrytis in grapes;Cladosporium and Botrytis in tomatoes; Venturia and Podosphaera in pome fruit and Monilia and Sclerotinia in stone fruit. Application rates vary from 120-600 g/ha, depending on crop. A seed treatment (0.6-0.8 g/kg) will control Tilletia, Ustilago, Fusarium and Septoria in cereals, and Rhizoctonia in cotton. Also shows activity against storage diseases of fruit as a dip (0.3-0.5 g/l)