本品为α-受体阻断药，通过阻断α-受体和间接激动β-受体，迅速使周围血管扩张，可显著降低外周血管阻力，增加周围血容量，改善微循环。本品对心脏有兴奋作用，使心肌收缩力增加、心率加快、心输出量增加。临床主要用于治疗肺充血或肺水肿的急性心力衰竭、血管痉挛性疾病、手足发绀症、感性中**休克及嗜铬细胞瘤的诊断试验等。亦用于室性早搏。 Adrenergic blocking agent. An antihypertensive. Used for  the treatment of pheochromocytoma

 For more about us , please visit our site: https://afinechem.en.alibaba.com or https://afinepharm.en.alibaba.com/   Phentolamine mesylate CAS 65-28-1     Chemical Properties Appearance: White to pale buff powder. Odorless. Hygroscopic. A complex combination of polypeptides produced by the metabolic processes of Bacillus subtilis and licheniformis. Molecular Weight: 377.46 Boiling Point: 551°C at 760 mmHg Melting Point: 180-182℃ Flash Point: 287°C Storage Temperature: Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4 C). Store protected from moisture. Solubility: 50 mg/mL Stability: Stable under normal temperatures and pressures. Usage: An adrenergic blocking agent. An antihypertensive. Used for the treatment of pheochromocytoma. Safety Data of 65-28-1      

甲磺酸酚妥拉明 Phentolamine Mesylate 中国药典2020年版 有效期2年

API 纯度：99% HPLC