overview: chinese name: polyurethane catalyst a33 alias: catalyst a33, polyurethane catalyst a33, catalyst a33, blowing catalyst a33, blowing catalyst, polyurethane blowing catalyst, catalyst a-33, po ...

overview: tetramethylethylenediamine is a colorless transparent liquid with a slight ammonia odor. miscible with water, miscible with ethanol and most organic solvents. chinese name: tetramethylethyl ...

overview: n-formylmorpholine (nfm) is an important organic solvent and fine chemical raw material. it is a colorless and transparent liquid at room temperature. it has the chemical properties of ami ...

overview: n-formylmorpholine (nfm) is an important organic solvent and fine chemical raw material. it is a colorless and transparent liquid at room temperature. it has the chemical properties of ami ...