m-Phenylenediamine CAS#108-45-2

m-Phenylenediamine Chemical Properties

Boiling point 

282-284 °C

bulk density

600kg/m3

density 

1,139 g/cm3

vapor density 

3.7 (vs air)

vapor pressure 

0.62 mm Hg ( 100 °C)

refractive index 

1.6339

Fp 

>230 °F

storage temp. 

Store below +30°C.

solubility 

350g/l

pka

5.11, 2.50(at 20℃)

form 

pellets

color 

Yellow to light tan or brown gray

PH

8 (100g/l, H2O, 20℃)

Water Solubility 

350 g/L (25 ºC)

Sensitive 

Air Sensitive

Merck 

14,7283

BRN 

471357

Exposure limits

ACGIH: TWA 0.1 mg/m3

Stability:

AIR SENSITIVE

Cosmetics Ingredients Functions

HAIR DYEING

Cosmetic Ingredient Review (CIR)

m-Phenylenediamine (108-45-2)

InChI

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

InChIKey

WZCQRUWWHSTZEM-UHFFFAOYSA-N

SMILES

Nc1cccc(N)c1

LogP

-0.39 at 20℃

CAS DataBase Reference

108-45-2(CAS DataBase Reference)

NIST Chemistry Reference

1,3-Benzenediamine(108-45-2)

IARC

3 (Vol. 16, Sup 7) 1987

EPA Substance Registry System

1,3-Phenylenediamine (108-45-2)

Safety Information

Risk Statements 

23/24/25-36-43-50/53-68-40

Safety Statements 

28-36/37-45-60-61-28A

RIDADR 

UN 1673 6.1/PG 3

WGK Germany 

2

RTECS 

SS7700000

F 

8-10-23

Autoignition Temperature

560 °C

TSCA 

TSCA listed

HazardClass 

6.1

PackingGroup 

III

HS Code 

29215119

Storage Class

6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects

Hazard Classifications

Acute Tox. 3 Dermal
Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Aquatic Acute 1
Aquatic Chronic 1
Eye Irrit. 2
Muta. 2
Skin Sens. 1

Hazardous Substances Data

108-45-2(Hazardous Substances Data)

Toxicity

LD50 in rats (mg/kg): 650 orally; 283 i.p. (Burnett)