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Carbendazim

Chemical: Carbendazim 
Use category: Fungicide 
Content & formulation: Carbendazim 98% TC,Carbendazim 80% WP ,Carbendazim 50% SC

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Common name carbendazime

IUPAC name methyl benzimidazol-2-ylcarbamate 

Chemical Abstracts name methyl 1H-benzimidazol-2-ylcarbamate 

CAS RN [10605-21-7] 

Mol. wt. 191.2 

M.f. C9H9N3O2 

Form Crystalline powder. 

M.p. 302-307 (decomp.) 

V.p. 0.09 mPa (20 ); 0.15 mPa (25 ); 1.3 mPa (50 ); separate study gives <0.0001 mPa (20 ) 

KOW logP = 1.38 (pH 5), 1.51 (pH 7), 1.49 (pH 9) 

Henry 3.6 ´ 10-3 Pa m3 mol-1 (calc.) 

S.g./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 ).  Stability Decomposes at m.p.; stable for at least 2 y below 50 . Stable after 7 d at 20 000 lux. Slowly decomposed in alkaline solution (22 ); DT50 >350 d (pH 5 and pH 7), 124 d (pH 9). Stable in acids, forming water-soluble salts.

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 Fungicide
 

Specification for Carbendazim 98% TC

ITEMS

STANDARDS

Appearance

White to light brownpowders

Content of a.i.

≥98 %

Loss on drying

≤1.0%

Specification for Carbendazim 80% WP

ITEMS

STANDARDS

Appearance

Homogeneous loose powder

Content of a.i.

≥80%

Wetting time

≤90s

Wet sieve (through 44μm sieve)

≥96%

Suspensibility

≥60%

pH

5.0~8.5

Specification for Carbendazim 50% SC

ITEMS

STANDARDS

Appearance

Flowablesuspension liquid

Content of a.i.

≥50%

Suspensibility

≥90%

Wet sieve (through 75μm sieve)

≥98%

pH

5~8

 

 

Packaging :

Liquid: 200L, 20L/Drum, 1L, 500mL/bottle or according to the client's requirements. 
Solid: 25kg/fiber drum, 25kg/bag, 1kg, 500g/aluminium foil bag or according to the client's requirements.

Shipping: According to order's quantity