... . Easy soluble in water, ethanol,acetone, also in liquid sulfur dioxide, ethylamine, aniline; but insoluble in glycerol, or phosphorus trichloride. Its ... . Load or unload carefully.ItemsNormsSuperior-gradeFirst-gradeQualified-gradeFerric chloride (FeCl3) ≥98.796.092.0Ferrous chloride (FeCl2) ≤0.702.04.0Insoluble residue ≤0 ...