Eksipien

SODIUM BICARBONATE BP/USP Sodium bicarbonate occurs as an odorless, white, crystalline powder with a saline, slightly alkaline taste. Sodium bicarbonate is generally used in pharmaceutical formulations as a source of carbon dioxide in effervescent tablets and granules. Additionally, sodium bicarbonate is used in solutions as a buffering agent for erythromycin, lidocaine, local anesthetic solutions, and total parenteral nutrition solutions. In some parenteral formulations, e.g. niacin, sodium bicarbonate is used to produce a sodium salt of the active ingredient that has enhanced solubility. Sodium bicarbonate has also been used as a freeze-drying stabilizer. Therapeutically, sodium bicarbonate may be used as an antacid, and as a source of the bicarbonate anion in the treatment of metabolic acidosis. Sodium bicarbonate may also be used as a component of oral rehydration salts and as a source of bicarbonate in dialysis fluids. 

Bilastine is a white to off-white crystalline powder that is sparingly soluble in methylene chloride and practically insoluble in acetone. It has an assay range of 98.0% to 102.0%.

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