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Lab Chemicals
pH Indicator (Solid)
m-NITROPHENOL INDICATOR
m-NITROPHENOL INDICATOR AR
3-Nitrophenol
Article No.
05005
Grade
AR
Purity
99%
CAS No.
554-84-7
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
Yellow
Melting point/ Freezing point [°C]
97°C
Density [g/cm3]
1.48
Solubility in water [% weight]
Slight (0.1-1%)
Packings
5 g
(00005)
25 g
(00025)
Specifications
Appearance
Brownish yellow coloured powder
Assay (acidimetric)
Min 99%
Melting point
95 - 99 deg C
pH 6.6 - 8.6
Colourless to yellow-orange
Absorption maxima (buffer pH 6.6)
329 - 333 nm
Absorption maxima (buffer pH 11.0)
389 - 393 nm
Specific absorptivity A1%/1cm (λmax; 0.05 g/L; buffer pH 6.6)
130 - 150
Specific absorptivity A1%/1cm (λmax; 0.05 g/L; buffer pH 11.0)
100 - 120
Safety Information and Hazard Symbols
Symbol: GHS05, GHS07
Signal Word: Danger
UN No.: 1663
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H302-H315-H318
Precaution Statement: P280-P305 + P351 + P338
Revision Date :
14-Dec-2013