However, these methods have the problem of low yield and the necessity of esterification, hydrolysis and dehydration with acetic anhydride before and after the reacting process. As the most ...

During the search, we recovered eight containers, each holding approximately 60 litres of acetic anhydride. This chemical is crucial for heroin production,” said DSP Shilpi Paul.

Delhi Police have busted a heroin manufacturing lab in Bawana, arresting four individuals, including the kingpin. They seized ...

KUALA LUMPUR: Petronas Chemicals Group Bhd (PCG) has reached the final investment decision (FID) to fully acquire the 113 kilo-tonnes per annum maleic anhydride (MAn) plant located in Gebeng ...

The study, led by Prof. Li Chen, introduces a phosphorus-containing anhydride into the epoxy resin's composition, which is cured using an anhydride-epoxy curing equilibrium with triethanolamine as ...