This product is white or off-white powder; almost odorless; hygroscopic. This product is insoluble in water, ethanol, chloroform or ether. This product has a high capillary/water content capacity, a large specific surface, extremely strong hydration capacity (HK: 5.6), high and rapid water absorption (58.5%), strong water absorption and swelling capacity, a swelling coefficient of 2.25-2.30, and polyethylene Pyrrolidone has the same complexing ability and can complex a variety of substances, such as phenols, iodine, etc.
