2,4,6,8-Tetramethyl-2,4,6,8-tetraazabicyclo[3.3.0]-3,7-oxandione

EPA 606 Phthalate Esters in Waste Water by GC-ECD 6 Analytes, each 2000µg/mL in hexane; units: 5x1mL, 1x5mL 1224.4 Bis(2-ethylhexyl) phthalate [117-81-7] 1227.19 Benzyl butyl phthalate [85-68-7] 1226.16 Di-n-butyl phthala

p-Isopropyl toluene

2-Methyl-5-nitroaniline, 100 µg/ml, Acetonitrile,