2,5-Diaminopyridine

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

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)
Fp	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)

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 Information

Provider	Language
2,5-Diaminopyridine	English
SigmaAldrich	English

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.

2,5-Diaminopyridine Preparation Products And Raw materials

Raw materials	2-Bromo-3-Ethoxy-6-Nitropyridine-->Carbamic acid, 2,5-pyridinediylbis-, diethyl ester (9CI)-->2-azido-5-nitropyridine-->PYRIDINE-2,5-DICARBOXAMIDE-->2,5-Dibromopyridine-->Hydrochloric acid-->2-Amino-5-nitropyridine
Preparation Products	Carbamic acid, (6-amino-3-pyridinyl)-, 1,1-dimethylethyl ester (9CI)

Diaminopyridine,2 6-DIAMINOPYRIDINE 99+% &,2,6-Diaminopyridine,>98% Phenazopyridine hydrochloride 6'-BUTOXY-2,6-DIAMINO-3,3'-AZODIPYRIDINE, 99 1-(5-Nitropyridin-2-yl)piperazine 2,4-DIAMINOPYRIDINE 2-Amino-6-methyl-5-nitropyridine 2,5-Diaminopyridine NITRO-PAPS DISODIUM SALT Diethyl 1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylate 3-Aminopyridine 2,3-DIAMINOPYRIDINE,2,3-Diaminopyridine,98%,2,3-Diaminopyridine99% 2,5-PYRIDINEDICARBOXYLIC ACID 2-Aminopyridine Iminodiacetonitrile 2,5-DIAMINOPYRIDINE 2HCL,2,5-DIAMINOPYRIDINE DIHYDROCHLORIDE,2,5-Diaminopyridine dihydrochloride 96%,2,5-Diaminopyridine-2-hydrochloride,2,5-Diaminopyridine HCl 5-NITRO-2-ANILINO PYRIDINE 5-NITRO-2-BENZYLAMINO PYRIDINE 4-Dimethylaminopyridine

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