Pure Glycerin

glycerin pure 99.7% usp grade  while pure glycerine is colorless and has a sweet taste, less pure glycerol stands out due to its usually brown color. It can also vary in color. In crude glycerine, the sweet taste that pure glycerine has is masked by the higher salt content. Otherwise, this substance has the same properties as pure glycerol. It dissolves in water and attracts moisture. Because it is less pure, crude glycerine is mainly used for industrial purposes.