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p-NITROPHENOL INDICATOR AR

4-Nitrophenol

COAs

Packings

25 g (00025)

100 g (00100)

500 g (00500)

1GBA000032 1GBA000180 1GBAB00091
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Article No. 05010 Grade AR
Purity CAS No. 100-02-7
Molecular Formula C6H5NO3 Molecular Weight 139.11
H.S. Code 2908.9990 Shelf Life 60 Months

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 - 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

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
Revision Date: 08-May-2023

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