1,1,3,3-Tetramethylguanidine (TMG) Tetramethyl Guanidine CAS NO: 80-70-6 Purity: 99.5% min Water: 0.15% ... max 1,1,3,3-TetramethylGuanidineMolecular Formula: C5H13N3CAS NO:80-70-6Physicochemical Properties: Colorless oily liquid, inflammable, with flash ... in alkaline water solution. Quality Index: Appearance: Colorless transparent liquid, no visible mechanical impurity. Purity: ≥99.5%Water: ≤0.15 ...