Customization: | Available |
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CAS No.: | 3238-40-2 |
Formula: | C6h4o5 |
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Good quality 2,5-Furandicarboxylic acid with 99% purity CAS 3238-40-2
p-Phenylenediamine Basic information | |
Product Name: | p-Phenylenediamine |
CAS: | 106-50-3 |
MF: | C6H8N2 |
MW: | 108.14 |
EINECS: | 203-404-7 |
p-Phenylenediamine Chemical Properties | |
Melting point | 139 °C |
Boiling point | 267 °C(lit.) |
density | 1.135 g/cm3 (20ºC) |
vapor density | 3.7 (vs air) |
vapor pressure | 1.08 mm Hg ( 100 °C) |
refractive index | 1.6339 (estimate) |
Fp | 156 °C |
storage temp. | 2-8°C |
solubility | Soluble in alcohol, chloroform, ether and hot benzene. |
pka | 4.17(at 25ºC) |
form | Powder or Flakes |
Colour Index | 76060 |
color | White, gray, or purple to brown |
PH | 9 (50g/l, H2O, 20ºC) |
PH Range | NonQ uorescence (3.1) to orange/yellow Q uorescence (4.4) |
Water Solubility | 47 g/L (25 ºC) |
Merck | 147,285 |
BRN | 742029 |
Items | Specifications | Results |
Appearance | White powder/flake | White powder/flake |
Content | ≥99.9% | 0.9998 |
M-phenylenediamine | ≤100ppm | 50ppm |
O-phenylenediamine | ≤100ppm | 45ppm |