... a glassy solid,apt to water absorbing;the speed of absorbing water varies with different derivative ions. ... It is soluble in water and organic solvents as acetic acid,glycol, ... cation & anion.Usage:It is an important water-soluble compound with the properties of flocculation,thickening, ... -2000Free substance≤%0.50.50.5Time for water-soluble(h)1-20.5-20.5-2Hydrolysis rate%≤ ...