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Lab Chemicals
pH Indicator (Solid)
p-NITROPHENOL INDICATOR
p-NITROPHENOL INDICATOR AR
4-Nitrophenol
Article No.
05010
Grade
AR
Purity
CAS No.
100-02-7
Molecular Formula
C
6
H
5
NO
3
Molecular Weight
139.11
H.S. Code
2908.9990
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
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
Packings
25 g
(00025)
100 g
(00100)
500 g
(00500)
Specifications
Appearance
Yellow to brown crystalline powder or crystals and/or chunks
pH 5.4 - 7.5
Colourless to yellow
Melting range
110 - 115°C
Absorption maxima (buffer pH 5.4)
316 - 320 nm
Absorption maxima (buffer pH 7.5)
398 - 402 nm
Safety Information and Hazard Symbols
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
Revision Date :
08-May-2023