COA Center




Uncoupler of oxidative phosphorylation used as reference substance in chromatography of DNP amino acids.
a-Dinitrophenol, 2,4-DNP, DNP


25 g (00025)

100 g (00100)

1GBA000060 1GBA000180
Article No. 03461 Grade AR
Purity 98% CAS No. 51-28-5
Molecular Formula C6H4N2O5 Molecular Weight 184.10
H.S. Code 2908.9990 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Yellow powder
Odour Sweet, musty Melting point/ Freezing point [°C] 108 - 112 °C
Vapour density 6.35 Density [g/cm3] 1.683
Solubility in water [% weight] Partially soluble in water


Appearance Yellow colored powder Assay (acidimetric; on dried basis) Min 98.0%
Purity (by HPLC) Min 98.0% Melting point (after drying) 112 - 116°C
Water (H2O) About 30% pH transition range (pH 2.6 - 4.0) Slightly pale yellow to yellow

Safety Information and Hazard Symbols

Skull and Crossbones Environment Health Hazard
Symbol: GHS06, GHS08, GHS09
Signal Word: Danger
UN No.: 1320
IMCO Class No.: 4.1,6.1
Packing Group: I
Hazardous Statement: H301-H311-H331-H373-H400
Precaution Statement: P261-P273-P280-P301 + P310-P311
Revision Date: 13-Mar-2024

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