Basic information Description Chemical Properties Uses Production method Acute toxicity Irritation data Hazardous characteristics of explosive Flammability and hazard characteristics Storage characteristics Safety Related Supplier
p-Phenylenediamine Structure

p-Phenylenediamine

Chemical Properties

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)

Safety Information

Hazard Codes  T,N,T+,Xn
Risk Statements  23/24/25-36-43-50/53-63-36/37/38-45-40-48/22-67-52/53
Safety Statements  28-36/37-45-60-61-28A-24/25-23-53-26
RIDADR  UN 1673 6.1/PG 3
WGK Germany  3
RTECS  SS8050000
8-10-23
Autoignition Temperature 567 °C
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29215119
Hazardous Substances Data 106-50-3(Hazardous Substances Data)
Toxicity LD50 in rats (mg/kg): 80 orally, 37 i.p. (Burnett)
IDLA 25 mg/m3

MSDS

Usage And Synthesis

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