Also known as dimethyl tiphenylamine, colorless to light yellow oily liquid, with a pungent odor, easy to oxidize in the air or under the sun and use the ze darkened. Relative density (20 ℃ / 4 ℃) 0.9555, freezing point 2.0 ℃, boiling point 193 ℃, flash point (opening) 77 ℃, flash point 317 ℃, vi...
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