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

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-P310-P304-P340 -P320-P330-P405-P501
Packing Group I