... 5-bis(1,1-dimethylpropyl)-1,4-Benzenediol Appearance: white crystals powder Content: 98.0% Min CAS Number: 79- ... 74-3 2,5-bis(1,1-dimethylpropyl)-1,4-Benzenediol Chemical ... dimethylpropyl)hydroquinone;2,5-Di(tert-amyl)-1,4-benzohydroquinone; 2,5-Di(tert-amyl)hydroquinone;2 ... white crystals powderMelting point: 179-184 °CContent: 98.0% MinUse: it is used as a age resister,ect ...