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英文名 BETAHISTINE HYDROCHLORIDE 别名 倍他啶，培他定（啶），美克乐，敏使朗，倍他定，倍他斯汀，百西斯汀，甲胺乙吡啶，培他胺，培他司汀，培他啶，培他组啶 性状：该品为白色或类白色结晶或结晶性粉末；无臭；味微苦；易潮解。 该品在水中极易溶解，在乙醇微溶，在丙酮中几乎不溶。

化学名：N-甲基-2-吡啶乙胺 用途：用于治疗内耳眩晕症（即美尼尔综合症）；脑动脉硬化；脑供血不足以及高血压引起的眩晕；呕吐与耳鸣。

对脑血管、心血管，特别是对椎底动脉系统有较明显的扩张作用，显著增加心、脑及周围循环血流量，改善血循环，并降低全身血压，此外能增加耳蜗和前底血流量，从而消除内耳性眩晕，耳鸣和耳闭感，还能增加毛细血管通透性，促进细胞外液的吸收，消除淋巴内水肿；能对抗儿茶酚胺的缩血管作用及降低动脉压，并有抑制血浆凝固及 ADP诱导的血小板凝集作用，能延长大白鼠体外血栓形成时间，还有轻微的利尿作用。

 For more about us , please visit our site: https://afinechem.en.alibaba.com or https://afinepharm.en.alibaba.com/   high quality BETAHISTINE DIHYDROCHLORIDE 99% CAS 5579-84-0, pharmaceutical ingredient         Chemical Properties Appearance: white to light yellow crystalline powder Molecular Weight: 209.12 Density: 0.967 g/cm3 Boiling Point: 210.9 °C at 760 mmHg Melting Point: 150-154℃ Flash Point: 96.7 °C Storage Temperature: Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Solubility: soluble in ** Stability: Stable at room temperature in closed containers under normal storage and handling conditions. Usage: Serves as a vasodilator. It is used in meniere disease and in vascular headaches but may exacerbate bronchial asthma and peptic ulcers. Safety Data of 5579-84-0      

The treatment of inner ear vertigo(Meniere's syndrome), cerebral arteriosclerosis, cerebral blood deficiency and hypertension-induced vertigo, vomiting and tinnitus.  主要用于血管扩张药。

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