methyl 1H-benzimidazol-2-ylcarbamate; MBC; BMC

Methyl benzimidazol-2-ylcarbamate

C₉H₉N₃O₂

Form Crystalline powder.

Melting point 302-307℃ (decomp.).

Density 1.45 (20℃).

Solubility In water 29 mg/l (pH 4), 8 mg/l (pH 7), 7 mg/l (pH 8) (24℃). In dimethylformamide 5, acetone 0.3, ethanol 0.3, chloroform 0.1, ethyl acetate 0.135, dichloromethane 0.068, benzene 0.036, cyclohexane <0.01, diethyl ether <0.01, hexane 0.0005 (all in g/l, 24℃).

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).

Control of Septoria, Fusarium, Erysiphe and Pseudocercosporella in cereals; Sclerotinia, Alternaria and Cylindrosporium in oilseed rape; Cercospora and 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.

Description: White powder, free from visible extraneous matter;

Active Ingredient Content(w/w): ≥98%;

Loss on Drying(w/w): ≤0.3%;

O-phenylene diamine Content: ≤0.5%;

Fineness(800mesh through): ≥98%