| Melting point: |
138-143 °C (lit.) |
| Boiling point: |
267 °C (lit.) |
| Density |
1.135 g/cm3 (20℃) |
| vapor density |
3.7 (vs air) |
| vapor pressure |
1.08 mm Hg ( 100 °C) |
| refractive index |
1.6339 (estimate) |
| Flash point: |
156 °C |
| storage temp. |
Store below +30°C. |
| solubility |
Soluble in alcohol, chloroform, ether and hot benzene. |
| form |
Powder or Flakes |
| pka |
4.17(at 25℃) |
| Colour Index |
76060 |
| color |
White, gray, or purple to brown |
| PH Range |
NonQ uorescence (3.1) to orange/yellow Q uorescence (4.4) |
| PH |
9 (50g/l, H2O, 20℃) |
| Water Solubility |
47 g/L (25 ºC) |
| Merck |
14,7285 |
| BRN |
742029 |
| Exposure limits |
TLV-TWA 0.1 mg/m3 (ACGIH 1989); TWA
skin 0.1 mg/m3 (MSHA and OSHA); IDLH
25 mg/m3 (NIOSH); carcinogenicity: Animal Inadequate Evidence (IARC).
. |
| Stability: |
Stable, but oxidizes when exposed to air. Incompatible with oxidizing agents. Store under inert atmosphere. |
| Major Application |
Nanoparticles, liquid crystal displays, chemical mechanical polishing, bottom antireflective coatings, electrochromic materials, inks, rubber, hair dyes, cosmetics, treatment of virus skin infection |
| InChIKey |
CBCKQZAAMUWICA-UHFFFAOYSA-N |
| LogP |
-0.84 at 20℃ |
| CAS DataBase Reference |
106-50-3(CAS DataBase Reference) |
| IARC |
3 (Vol. 16, Sup 7) 1987 |
| NIST Chemistry Reference |
1,4-Benzenediamine(106-50-3) |
| EPA Substance Registry System |
p-Phenylenediamine (106-50-3) |