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2,5-Diaminopyridine

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2,5-Diaminopyridine Basic information

Product Name:
2,5-Diaminopyridine
Synonyms:
  • 2,5-diamino-pyridin
  • 2,5-DIAMINOPYRIDINE
  • TIMTEC-BB SBB004342
  • PYRIDINE-2,5-DIAMINE
  • 2,5-Diaminopyridine, 97+%
  • 2,5-Diaminopyridine,98+%
  • 2,5-Pyridinediamine
  • 2,5-Diaminopyridine ISO 9001:2015 REACH
CAS:
4318-76-7
MF:
C5H7N3
MW:
109.13
EINECS:
626-246-4
Product Categories:
  • Pyridine
  • Pyridines derivates
  • Pyridines
  • C5
  • Heterocyclic Building Blocks
  • pyridine series
  • compounds of pyridine
Mol File:
4318-76-7.mol
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2,5-Diaminopyridine Chemical Properties

Melting point:
110.3°C
Boiling point:
180 °C/12 mmHg (lit.)
Density 
1.1118 (rough estimate)
refractive index 
1.5340 (estimate)
Flash point:
180°C/12mm
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
pka
6.48(at 20℃)
CAS DataBase Reference
4318-76-7(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
RIDADR 
UN2671
WGK Germany 
3
RTECS 
US7555000
HazardClass 
6.1
PackingGroup 
II
HS Code 
29333999

MSDS

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2,5-Diaminopyridine Usage And Synthesis

Chemical Properties

Yellow to purple crystalline powder

Uses

2,5-Diaminopyridine may be used in the preparation of 6-acetamidoimidazo[ 1,2-a]pyridine. It may be used in the preparation of organo-soluble polyimides by reacting with different dianhydride monomers. These polyimides form the precursor for preparing novel polyimide-silica composites.

General Description

2,5-Diaminopyridine is a disubstituted pyridine that can be prepared by the reduction of 5-nitro-2-aminopyridine using 10%Pd/C.

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