SPL Set ID: d0e6a966-179a-45e0-8444-4c1b8523f8d2
1 drug(s) with this SPL Set ID
Methadone hydrochloride is chemically described as 6-(dimethylamino)-4,4-diphenyl-3-hepatanone hydrochloride. Methadone hydrochloride, USP is a white powder. Its molecular formula is C 21 H 27 NO•HCl and it has a molecular weight of 345.91. Methadone hydrochloride has a melting point of 235°C, and a pKa of 8.25 in water at 20°C. Its octanol/water partition coefficient at pH 7.4 is 117. A solution (1:100) in water has a pH between 4.5 and 6.5. It has the following structural formula: Each mL of Methadone Hydrochloride Oral Concentrate, USP ( Intensol ™) contains 10 mg of methadone hydrochloride, USP and the following inactive ingredients: anhydrous citric acid, sodium benzoate and water. methadone hydrochloride structural formula image