... % Min CAS Number: 79-74-3 2,5-bis(1,1-dimethylpropyl)-1,4-Benzenediol Chemical name: 2,5-Di-tert-amylhydroquinone (DTAHQ ... ); Santovar A; Santovar TAHQ;2,5-Bis(1,1-dimethylpropyl)-1,4-benzenediol; 2,5-Bis(1,1-dimethylpropyl)hydroquinone;2,5-Di(tert-amyl ... -tert-amylhydroquinone; 2,5-Di-tert-pentylhydroquinone;AH 25; Antage DAH; DAH; DAHQ; DTAHQ; Lowinox AH 25; NSC 455; NSC 6267;CAS ...