p-Xylene Back Catalog number: 31531 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDD-237 2,3,7-Tribromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 92257 Semi-Volatile Surrogate Standard Price on request 676609 1-Chloro-2,4-dinitrobenzene, 100 µg/ml, Methanol, Price on request