4-Dimethylaminopyridine CAS#1122-58-3

4-Dimethylaminopyridine Chemical Properties

Boiling point 

162 °C

bulk density

520kg/m3

density 

0.906 g/mL at 25 °C

vapor pressure 

0.169 hPa at 20 °C

refractive index 

n20/D 1.431

Fp 

110 °C

storage temp. 

Store below +30°C.

solubility 

methanol: 50 mg/mL, clear

pka

pKa (20°): 9.7

form 

prilled

color 

off-white to yellow

Odor

characteristic odor

PH

11 (60g/l, H2O, 20℃)

PH Range

9.7 (10% aq soln)

Water Solubility 

76 g/L (25 ºC)

Merck 

14,3389

BRN 

110354

Stability:

Stable. Incompatible with acids, oxidizing agents.

InChI

1S/C7H10N2/c1-9(2)7-3-5-8-6-4-7/h3-6H,1-2H3

InChIKey

VHYFNPMBLIVWCW-UHFFFAOYSA-N

SMILES

CN(C)c1ccncc1

LogP

1.34 at 25℃

CAS DataBase Reference

1122-58-3(CAS DataBase Reference)

NIST Chemistry Reference

4-Pyridinamine, N,N-dimethyl-(1122-58-3)

EPA Substance Registry System

4-(Dimethylamino)pyridine (1122-58-3)

Safety Information

Risk Statements 

25-34-24/25-36/37/38-27-36-24-20-61-40-23/24/25-67-66-21/22-11-36/37-22-19

Safety Statements 

36/37/39-45-28A-26-28-36/37-53-27-22-16

RIDADR 

UN 2811 6.1/PG 2

WGK Germany 

3

RTECS 

US8400000

Autoignition Temperature

420 °C

Hazard Note 

Toxic/Corrosive

TSCA 

TSCA listed

HazardClass 

8

PackingGroup 

II

HS Code 

29333999

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials

Hazard Classifications

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

Toxicity

LD50 orally in Rabbit: 140 mg/kg LD50 dermal Rabbit 90 mg/kg