Hydrazine Dihydrochloride
If you find any inaccurate information, please let us know by providing your feedback here
This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
(NH2)2 · 2HCl 104.97 CAS RN: 5341-61-7.—White powder.
Assay: Dissolve about 34 mg, accurately weighed, in 50 mL of water. Add carefully while stirring, 1 g of sodium bicarbonate. [Caution—There may be a rapid evolution of carbon dioxide.] Titrate with 0.1 N iodine solution, determining the endpoint potentiometrically. Perform a blank determination, and make any necessary corrections. Each mL of 0.1 N iodine solution is equivalent to 2.63 mg of (NH2)2 · 2HCl. Not less than 98% is found.
