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| It is mainly used for the production of azo dyes and sulfur dyes, and is also employed in the manufacturing of black D for fur, blue-black DB for fur, brown NZ for fur, as well as rubber aging inhibitors DNP, 288, DOP, and DBP. Para-phenylenediamine is also used as a raw material for cosmetic hair dye Ursil D, gasoline polymerization inhibitor, and developer. | |||||||||
106-50-3
futurechemical
106-50-3
p-Phenylenediamine Basic information | |
Description Chemical Properties Uses Production method Acute toxicity Irritation data Hazardous characteristics of explosive Flammability and hazard characteristics Storage characteristics | |
Product Name: | p-Phenylenediamine |
CAS: | 106-50-3 |
MF: | C6H8N2 |
MW: | 108.14 |
EINECS: | 203-404-7 |
Mol File: | 106-50-3.mol |
p-Phenylenediamine Chemical Properties | |
Melting point | 138-143 °C (lit.) |
Boiling point | 267 °C (lit.) |
bulk density | 600kg/m3 |
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) |
Fp | 156 °C |
storage temp. | Store below +30°C. |
solubility | Soluble in alcohol, chloroform, ether and hot benzene. |
pka | 4.17(at 25℃) |
form | Powder or Flakes |
Colour Index | 76060 |
color | White, gray, or purple to brown |
PH | 9 (50g/l, H2O, 20℃) |
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 |
Henry's Law Constant | 7.1×102 mol/(m3Pa) at 25℃, Yaws (2003) |
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 |
Cosmetics Ingredients Functions | HAIR DYEING |
InChI | 1S/C6H8N2/c7-5-1-2-6(8)4-3-5/h1-4H,7-8H2 |
InChIKey | CBCKQZAAMUWICA-UHFFFAOYSA-N |
SMILES | Nc1ccc(N)cc1 |
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) |
