Disclosed are organic treating agents for imparting improved flow properties to hydrides and compositions comprising hydrides treated with an effective amount of an organic compound capable of imparting improved flow properties to said hydride. Also disclosed are methods for improving the flow properties of hydrides comprising treating said hydrides with an organic compound capable of imparting improved flow properties. Said organic treating agent can be in liquid or vapor form and comprises at least one component selected from the group consisting of aliphatic hydrocarbons, alcohols, amines, organic acids and organic acid salts.