Specification :
Bendazol;2-(Phenylmethyl)-1H-benzimidazole;2-
Bbenzimidazole;Dibazol;Tromas edan
Molecular formula : C14H12N2
MW : 208.25
CAS No. :621-72-7
nature : ACICULAR crystallization. 187 ¡ã C melting point. In fact do
not dissolve in water, soluble in hot benzene, ethanol, acetic acid.
Dibazol hydrochloride (HCI C14H12N2, Dibasol) as a white crystalline
powder. 175 ¡ã C melting point. Dissolved in water, ethanol, almost
dissolved in chloroform and benzene.
preparation methods : o-phenylenediamine and phenylacetic acid derived
by cyclization. First-o-phenylenediamine and hydrochloric acid mixed
heating dissolved after mixing acid plus warming, 108-110 ¡ã C
dehydration 5h. Another step-by-step response to warming up at 240 ¡ã C
to stop heating. Caustic used to adjust pH 9-10,50 ¡ã Cfiltering, in
Dibazol. Will Dibazol water dissolved in hydrochloric acid adjusted to
pH 4.8, plus active carbon used in Dibazol hydrochloride.
purposes : for the goods smooth muscle relaxants. For hypertension,
angina and cerebral vasospasm. Polio is also used nerve, Yan peripheral
facial paralysis syndrome, and multiple single neuritis neuritis.
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