p-NITROPHENOL INDICATOR

p-NITROPHENOL INDICATOR AR

4-Nitrophenol

Article No.

05010

Grade

Purity

CAS No.

100-02-7

Molecular Formula

C₆H₅NO₃

Molecular Weight

139.11

H.S. Code

2908.9990

Shelf Life

60 Months

MSDS

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

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

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