Merck
All Photos(1)

8.07246

Sigma-Aldrich

1,4-Phenylenediamine

for synthesis

Synonym(s):
1,4-Phenylenediamine
Empirical Formula (Hill Notation):
C6H8N2
CAS Number:
Molecular Weight:
108.14
MDL number:
EC Index Number:
203-404-7

Quality Level

vapor pressure

0.01 hPa ( 20 °C)

assay

≥98.0% (GC)

form

solid

autoignition temp.

567 °C

potency

80 mg/kg LD50, oral (Rat)
>7940 mg/kg LD50, skin (Rabbit)

pH

9 (20 °C, 50 g/L in H2O)

bp

267 °C/1013 hPa

mp

139-141 °C

transition temp

flash point 156 °C

density

1.135 g/cm3 at 20 °C

bulk density

600 kg/m3

storage temp.

2-30°C

InChI

1S/C6H8N2/c7-5-1-2-6(8)4-3-5/h1-4H,7-8H2

InChI key

CBCKQZAAMUWICA-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Identity (IR): passes test

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Sens. 1 - STOT SE 1 Oral

Storage Class Code

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup

Certificate of Analysis

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