p-NITROPHENOL INDICATOR AR

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC3667 AR 100-02-7 C6H5NO3 139.11 2908.9990 60 Months

Packings

25 g,100 g,500 g

Physical Properties

Physical state at 20 °C Solid
Colour Slight Yellow
Odour Odorless
pH value 4.4
Melting point/ Freezing point [°C] 112 °C
Auto-ignition temperature [°C] 283 °C
Flash point [°C] 169 °C
Boiling point [°C] 279 °C
Evaporation rate <1
Vapour pressure mm/Hg 0.6 mmHg 120 °C
Density [g/cm3] 1.27
Solubility in water [% weight] Slightly soluble in cold water
Partition coefficient Log Pow octanol / water at 20°C 1.91

Specifications

Appearance Yellow to brown crystalline powder or crystals and/or chunks
pH 5.4 - 7.5 Colourless to yellow
Melting range 110 - 114 deg C
Absorption maxima (buffer pH 5.4) 316 - 320 nm
Absorption maxima (buffer pH 7.5) 398 - 402 nm

Safety Information and Hazard Symbols

Exclamation Mark Health Hazard
Symbol GHS07, GHS08
Signal Word Warning
UN No. 1663
IMCO Class No. 6.1
Packing Group III
Hazardous Statement H302-H312-H332-H373
Precaution Statement P280
Risk Statement
Safety Statement
Revision Date : 07-Jan-2022