... rubber, butadiene nitrile and so on. Polymerized-2,2,4-trimethyl-1,2-dihydroquinoline (RD/TMQ)Commodity Name: Rubber Antioxidant ... ,2,4-trimethyl-1,2-dihydroquinoline CAS NO:26780-96-1 Molecular Weight: 173.26 Specification: AppearanceSoften pointLoss on dryingAshAmber to brown ... 100 0.50% Max0.50% MaxProperties: Amber to brown flake or powder. Gravity 1.05, solube in benzol, chloroform and acetone, ...