2,4-DINITROPHENOL INDICATOR AR

a-Dinitrophenol, 2,4-DNP, DNP

Article No. 516350025 Molecular Formula C6H4N2O5
H.S. Code 2908.9990 Molecular Weight 184.11
CAS No. 51-28-5

Packing 25 GM

516350025

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Physical Properties

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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

Safety Information and Hazard Symbols

Skull and Crossbones Health Hazard Environment
Symbol GHS06, GHS08, GHS09
Signal Word Danger
UN No 1320
IMCO Class No. 4.1,6.1
Hazardous Statement H300-H311+H331-H400- H372
Precaution Statement P264-P271-P280-P301+P310-P302+P352-P304+P340-P403+P233-P501
Packing Group I
 

Specifications

Assay Min. 99 %
Melting point (after drying) 110 - 113°C
pH transition range 2.8 - 4.0 Slightly greenish yellow to greenish yellow
Water (H2O) About 30 %
Appearance Yellow colored powder