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Bitrex (denatonium benzoate)

A quaternary ammonium compound used as a bittering agent in CDA and IMS formulations. Detectable by taste at 50 parts per billion; MW 446. Not toxic at denaturant concentrations but intensely aversive. Requires LC-UV or LC-MS/MS for analytical detection (not detectable by headspace GC-FID).

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Related terms

27 CFR Part 21Completely Denatured Alcohol (CDA)Country liquor (India)EU Directive 92/83/EECIndustrial Methylated Spirit (IMS)Mahua liquorPyridineSpecial Methylated Spirit (SMS / SDA)T-permit

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