TECHNICAL DATA SHEET
2,4-DINITROPHENOL INDICATOR AR
a-Dinitrophenol, 2,4-DNP, DNP
Article No.
516350025
Molecular Formula
C
6
H
4
N
2
O
5
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 [°C]
108 - 112 °C
Vapour density
6.35
Density [g/cm3]
1.683
Solubility in water [% weight]
Partially soluble in water
Specifications
Assay % Min. 99Melting point (after drying) °C 110 - 113pH 2.8 - 4.0 Slightly greenish yellow to greenish yellowWater % About 30
Safety Information and Hazard Symbols
Symbol
GHS06, GHS08, GHS09
Signal Word
Danger
UN No
1320
IMCO Class No.
4.1,6.1
Hazardous Statement
H228-H300-H311-H330 H373-H400
Precaution Statement
P301-P310-P304-P340 -P320-P330-P405-P501
Packing Group
I