Biochem Chemopharma

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 [°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) °C 110 - 113
pH 2.8 - 4.0 Slightly greenish yellow
to greenish yellow
Water % About 30
 

Safety Information and Hazard Symbols

Flame 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 H228-H300-H311-H330 H373-H400
Precaution Statement P301-P310a-P304-P340 -P320-P330-P405-P501a
Packing Group I