p-Nitrophenol Indicator AR
4-Nitrophenol
Product Code. |
01865 |
Grade |
AR |
Purity |
99.5% |
CAS No. |
100-02-7 |
Molecular Formula |
C6H5NO3 |
Molecular Weight |
139.11 |
H.S.Code |
2908.99900 |
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 |
Packaging
Specification
| Appearance | Yellow to brown crystalline powder or crystals and/or chunks |
| pH 5.4 - 7.5 | Colourless to yellow |
| Melting range | 110 - 114°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