2,2',4,4'-Tetrahydroxybenzophenone, 500mg Back Catalog number: 682235 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 95408 Aroclor 1262 & Tetrachloro-m-xylene Price on request X9190 Styrene Price on request S-4054-30K-XYX5 Dibenzothiophene in Xylene Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO S-4054-0-XY S Price on request