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What is methanol used for?

Dr Chandra M Gulhati
Editor, MIMS,
New Delhi

Q: I am a chemist. I want to know about the application of methanol in bulk. It is generally used as a solvent. In which type of bulk drugs is methanol generally used? What is the consumption / usage norm of methanol? What is the substitute product for methanol?

A:Methanol is also called methyl alcohol. It is used as a solvent in pharmaceutical preparations. Every molecule/medicine has its own property; some dissolve in water while others dissolve in methanol or dichloromethane or chloroform or ether etc. Some products dissolve in more than one solvent to varying degrees. Strictly speaking there is no substitute for methyl alcohol.