.alpha.-Dinitrophenol 1-Hydroxy-2,4-dinitrobenzene 2,4-DNP 2,4-Dinitrofenol 2,4-Dinitrophenol 51-28-5 Aldifen Chemox pe DNP Dinitrofenolo Dinitrophenol EK 102 Fenoxyl Carbon N NSC 1532 NSC1532 Nitro kleenup Nitrophen Nitrophene Phenol, .alpha.-dinitro- Phenol, 2,4-dinitro- Solfo Black 2B Supra Solfo Black B Solfo Black BB Solfo Black G Solfo Black SB Tertrosulphur Black PB Tertrosulphur PBR WLN: WNR BQ ENW X 32