Nicotine Ditartrate Dihydrate is a compound formed by combining nicotine with tartaric acid, resulting in a crystalline substance. It's often used in pharmaceutical preparations and research applications. This compound is a salt form of nicotine, and the addition of tartaric acid helps to stabilize the nicotine molecule. Nicotine Ditartrate Dihydrate may be utilized in nicotine replacement therapies or as a component in nicotine research studies. It's available from chemical suppliers and pharmaceutical ingredient manufacturers.