... as an organic alkali, it is corrosive, resolvable to water, methylbenzene, propanone or acetyl, able to dissolve such plastics ... common rubber, liable to be hydrolyzed into tetramethylurea in alkaline water solution. Quality Index: Appearance: Colorless transparent liquid, no ... visible mechanical impurity. Purity: ≥99.5%Water: ≤0.15%Package: Galvanized iron drums with net weight ...