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Carbendazim

Identification

Synonyms: methyl benzimidazol-2-ylcarbamate (IUPAC); MBC; BMC; 'Bavistin' (BASF); 'Derosal' (Bayer CropScience); 'Aimcozim' (Aimco); 'Arrest' (RPG); 'Bencarb' (Reposo); 'Carbendate' (Mobedco); 'Delsene' (DuPont, Nufarm UK); 'Devistin' (Devidayal); 'Dhanustin' (Dhanuka); 'Fordazim' (Baocheng); 'Fungy' (Ramcides); 'Herazim' (Heranba); 'Kolfugo' (Agro-Chemie); 'Laicar' (Lainco); 'Mascot Systemic' (Rigby Taylor); 'Occidor' (Agriphar); 'Robendazim' (Rotam); 'Sabendazim' (Hubei Sanonda); 'Spotfree' (Crop Health); 'Sundazim' (Sundat); 'Vicarben' (Vipesco); 'Zen' (Nagarjuna Agrichem); mixtures 'Calidan' (+ iprodione) (Bayer CropScience); 'Sportak Alpha' (+ prochloraz) (BASF); 'Abasol' (+ abamectin + debacarb) (Mauget); 'Agrosild' (+ carboxin) (Agro-Chemie); 'Fungisol' (+ debacarb) (Mauget); 'Sumico' (+ diethofencarb) (Sumitomo Chemical); 'Zaprawa Funaben T' (+ thiram) (Azot). Other products 'Agrozim' (Chemvet); 'Angel' (Doğal); 'Bavisfor' (IQV); 'Bendazid' (Plaaskem S.A.); 'Bendazim' (AgroSan, Agrochem); 'Benfil' (Indofil); 'Bentox' (Zagro); 'Brior' (Phyteurop); 'Carben' (Sulphur Mills); 'Carbend' (Nufarm Ltd); 'Carbenluq' (LUQSA); 'Carbensal' (Zagro); 'Carbiguard' (Gharda); 'Carbomax' (Nufarm Industria Quimica); 'Carezim' (Efthymiadis); 'Cekudazim' (Cequisa); 'C-Flo' (Stefes); 'Chemcarb' (Chemiplant); 'Dazim' (Zagro); 'Decarol' (Kwizda); 'Defensor' (Agriguard); 'Forsol' (Zagro); 'Fungiguard' (Gharda); 'Gilzim' (Gharda); 'Goldazim' (Inquiport); 'Hekvistin' (Hekta351); 'Ilizim' (Hindustan); 'Mooncoin' (GreenCrop); 'Pacarzim' (Papaeconomou); 'Pearl' (Sulphur Mills); 'Pilarstin' (Pilarquim); 'Pro-Turf' (Agriguard); 'Regain' (Headland); 'Ringer' (Barclay); 'Spin Flo' (Nufarm Ltd); 'Stempor' (Syngenta); 'Takistin' (Hekta351); 'Tartan' (Chemiplant); 'Twincarb' (Vitax); 'Twist' (Sapec); 'Virolex' (Protex); 'Vozim' (Jubilant Organosys); 'Zino' (Herbos); 'Zoom' (United Phosphorus)
CAS No.: 10605-21-7
EC No.: 234-232-0
RTECS No: DD6500000
Molecular Weight: 191.19
Molecular Formula: C9H9N3O2
Structural Formula: Carbendazim
M.p.: 302-307 deg.C (decomp.)
Form: Crystalline powder.
V.p.: 0.09 mPa (20 °C); 0.15 mPa (25 °C); 1.3 mPa (50 °C);
Kow: logP = 1.38 (pH 5), 1.51 (pH 7), 1.49 (pH 9)
Henry: 3.6 × 10-3 Pa m3 mol-1 (pH 7, calc.)
S.g./density: 1.45 (20 °C)
Solubility: In water 29 mg/l (pH 4), 8 mg/l (pH 7), 7 mg/l (pH 8) (24 °C). In DMF 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 °C).
Stability: Decomposes at m.p.; stable for at least 2 y below 50 °C. Stable after 7 d at 20 000 lux. Slowly decomposed in alkaline solution (22 °C); DT50 >350 d (pH 5 and pH 7), 124 d (pH 9). Stable in acids, forming water-soluble salts. pKa 4.2, weak base

Application

Carbendazim inhibits beta-tubulin synthesis. 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. Used to control 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. 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). Carbendazim is also applied as mildew inhibitor in paint, coating, paper, leather and texitile.

Specification

Carbendazim purity: 98% min.
Mesh: 325, 600 etc
Whiteness 88% min.
HAP&DAP: 3.5ppm max.
OPDA: 0.3% max.

Standard Packaging

25kg/bag, 25kg/drum

Packaging of Carbendazim

Risks and Safety Information

UN 3077; Class 9; PG III
Proper shipping name: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S.
LD50 Oral Rat 6400 mg/kg; LD50 Skin Rat 2000 mg/kg; LD50 Intraperitoneal Rat: 1720 MG/KG
R-Phrase: 21/22 34 50
For more information, please see MSDS

Warning, Hazard to Environment

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