P-Phenylenediamine CAS 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)