WHEN a trace of maleic anhydride (I) is added at room temperature to a colourless solution of tri-phenylphosphine (P Ph 3) in chloroform or benzene (for example, 1 drop of 1 per cent maleic ...

IN the course of work on the constitution of certain wood starches and other polysaccharides containing uronic acid residues, we have found it necessary to investigate more closely the accuracy of ...

Van Houwelingen [13] discussed the determination of anhydride groups in a resin derived from octadecene-1 and maleic anhydride: The common method for anhydride groups involving reaction with an excess ...

DGFT notifies new SION for propionic anhydride to boost pharma exports: Shardul Nautiyal, Mumbai Thursday, December 19, 2024, 08:00 Hrs [IST] The Directorate General of Foreign Tr ...

Global 4,4’-oxydiphthalic anhydride (ODPA) market was valued at US$ 1,294.8 million in 2023 and is projected to surpass the market size of US$ 2,255.3 million by 2032 at a CAGR of 6.36% during the ...

MOSCOW, January 30. /TASS/. Sibur sees growth prospects for maleic anhydride (MAH) demand on the Russian market after its production was launched in 2022, Member of the Management Board, Executive ...

Three persons manufacturing contraband drugs were held along with the seizure of substantial quantities of raw material used ...

a wholly-owned subsidiary of Koppers Holdings Inc. (NYSE: KOP), today announced that the company will discontinue phthalic anhydride production at its facility in Stickney, Illinois, in 2025.