GC test mixture OPTIMA 5 Amine for controlling the performance of fused silica capillary columns and the GC system. Contents:0.2 % diisobutylamine, 1 % diethanolamine, 0.2 % 2,6-dimethylaniline, 0.2 % o-propanolpyridine, 0.2 % dicyclohexylamine, 0.2 % dibenzylamine. This product contain harmful substances which must be specially labeled as hazardous. For detailed information please see SDS.