Fumed silica

With the support of national policies, the development of butyrolactam (2-pyrrolidone) industry has accelerated

Butyrolactam, also known as 2-pyrrolidone and 2-pyrrolidone, has a chemical formula of C4H7NO and is an organic compound. Butyrolactam appears as a colorless liquid, miscible in carbon tetrachloride, …

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