Codeine Codeine is sold under the name Farmacod and its concentration does not exceed 15 mg. There is a known combination of acetylsalicylic acid, paracetamol and codeine phosphate hemihydrate named Aspaco that is allowed without a medical prescription but its case is signed with an exclamation red symbol which means that driving won't be allowed during treatment. There are no sanctions whether the drug is given without a prescription. According to ITAR-Tass and Austria Presse-Agentur, OTC availability of codeine products was rescinded nationwide in 2012 because of the discovery of the Krokodil method of underground desomorphine synthesis. Opponents of the move
Pyrophosphoric acid red heat of a sodium phosphate salt. It was found that phosphoric acid when heated to red heat formed pyrophosphoric acid that was readily converted to phosphoric acid by hot water. Pyrophosphoric acid Pyrophosphoric acid, also known under the name diphosphoric acid, is colorless, odorless, hygroscopic and is soluble in water, diethyl ether, and ethyl alcohol. The anhydrous acid has two different forms, which melt at 54.3 °C and 71.5 °C. It is best prepared by ion exchange from sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate. When phosphoric acid is dehydrated pyrophosphoric acid is produced as one