Amorphous powder or filamentous crystals, colour from white to yellowish with weak specific smell, electrified, hygroscopic. The copolymer of 2-methyl-5-vinylpyridine and N-vinylpyrrolidone is used as an adjuvant in the production of vaccines.
أخبرنا بما تحتاجه واحصل على عروض أسعار من موردين موثوقين