Synonyms: N,N-Diethyl-N-[(2,6-dimethylphenyl­carbamoyl)­methyl]­benzyl­ammonium benzoate, Benzyldiethyl(2,6-xylyl­carbamoyl­methyl)­ammonium benzoate, THS 839 CAS: 3734-33-6 Molecular Formula: C21H29N2O · C7H5O2 Molecular Weight: 446.58 g/mol Test Specification Appearance White crystalline powder Identification A (by IR) Pass test Identification B (by UV) Pass test Identification C (by Chemical) Pass test Identification D (by Chemical) Pass test Residue on Ignition 0.1% max. Melting Point 163 - 170 Deg. C Assay 99.0% min. Acidity (3% aq. solution) 6.5 - 7.5 Chloride 0.20% max. Loss on Drying 1.0% max.