Azelastine [ 58581-89-8 ]

Purity: 98%, oil substance. Soluble in methylene chloride.

Single hydrate: from ethanol - water crystallization. Can be identified two different crystal shape.

Hydrochloric acid nitrogen Azelastine Hydrochloride leather westin () : C22H24ClN3O? HCl in. [79307-93-0]. White crystalloid powder, odurless, taste bitter. Soluble in chloroform, methylene chloride or glacial acetic acid, slightly soluble in methanol, slightly soluble in anhydrous alcohol or water, insoluble in acetone or aether. 225 ~ 229 ℃ melting point. Acute toxicity LD50 male and female mice, male and female rats, male and female guinea pig (mg/kg) : 124,139,310,417,126,130 oral, 36.5, averaging 35.5 26.9, third, and 23.0 24.8 intravenous;, 597.0, derived 143.0, 115.0,, 52.2 intramuscular; 46.2, 63.0, 59.6 66.5, 54.2,. 41.0.37.3 subcutaneous injection. Used for the bronchus asthma, nasal allergy treatment. Based medicine. Used for the antihistamine