2,4-DINITROPHENOL INDICATOR AR 516350025 Reagents 51-28-5 | C6H4N2O5

TECHNICAL DATA SHEET

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

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

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

Safety Information and Hazard Symbols

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