cas number: 900 polyacrylamide (pam) as flocculant cas 9003-05-8

cas number: 900 polyacrylamide (pam) as flocculant cas 9003-05-8
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  • Is polyacrylamide contaminated with acrylamide?
  • Polyacrylamide is of low toxicity but its precursor acrylamide is a neurotoxin and carcinogen. Thus, concerns naturally center on the possibility that polyacrylamide is contaminated with acrylamide. Considerable effort is made to scavenge traces of acrylamide from the polymer intended for use near food.
  • Is polyacrylamide a polyolefin?
  • Polyacrylamide is a polyolefin. It can be viewed as polyethylene with amide substituents on alternating carbons. Unlike various nylons, polyacrylamide is not a polyamide because the amide groups are not in the polymer backbone.
  • What is the pH range of polyacrylamide?
  • In the pH range of 3 to 9, it can maintain a good degree of stability; at high pH, the viscosity will be increased gradually. Miscibility: in generally used concentration, polyacrylamide has miscibility with most water-soluble natural or synthetic resins, latex systems, and most of the salts.
  • Is polyacrylamide toxic to humans?
  • Toxicity: Polyacrylamide itself is non-toxic, but if it contains polymerized monomers (a double bond), it would be toxic to humans. For this reason, upon the completion of its preparation, a certain amount of sodium bicarbonate should be added to remove residual monomers. The above information is edited by the chemicalbook of Dai Xiongfeng.