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| Carbendazim |
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Optional function |
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benzimidazole
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Function & Characteristic |
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| Specification |
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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. pKa 4.2, weak base
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| Packing Details |
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98%TECH: 25KGS/BAG
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Product List
