Betaine Hydrochloride Trimethyl-glycine lactone hydrochloride CAS No.: 590-46-5 Molecular Formula: C 5H 11NO Betaine Hydrochloride [Synonyms]1-Carboxy-N,N,N ... -trimethylmethanaminium, chloride; Betaine Hydrochloride[CAS No. ]: 590-46-5[Molecular Formula]: C 5H 11NO ... )10ppm max.Arsenic 2ppm max.Ignite residue0.2% max. Betaine Hydrochloride