2,5-Diaminopyridine

Base Information

Chemical Name:2,5-Diaminopyridine
CAS No.:4318-76-7
Molecular Formula:C5H7N3
Molecular Weight:109.131
Hs Code.:29333999
European Community (EC) Number:626-246-4
NSC Number:175741
UNII:H6OLZ060HI
DSSTox Substance ID:DTXSID20195765
Nikkaji Number:J51.294J
Wikidata:Q27279708
Mol file:4318-76-7.mol

Synonyms:2,5-DIAMINOPYRIDINE;4318-76-7;PYRIDINE-2,5-DIAMINE;2,5-Pyridinediamine;Pyridine, 2,5-diamino-;Diaminopyridine (VAN);2,5-diamino pyridine;MFCD00129023;UNII-H6OLZ060HI;NSC 175741;BRN 0108741;H6OLZ060HI;NSC-175741;5-22-11-00252 (Beilstein Handbook Reference);Nc1ccc(N)nc1;Pyridine,5-diamino-;2,5-diamino-pyridine;WLN: T6NJ BZ EZ;SCHEMBL34048;YSZC148;2,5-Diaminopyridine, 97%;SCHEMBL24077008;DTXSID20195765;GEO-04049;NSC175741;AKOS007930448;AC-5938;CS-W011281;SB75612;AS-13208;DA1;J51.294J;LS-131133;A6984;AM20080612;FT-0610268;EN300-156258;AC-907/25014078;J-507283;Q27279708;Z385438796

Suppliers and Price of 2,5-Diaminopyridine

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

TRC
2,5-Diaminopyridine
1g
$ 75.00

Sigma-Aldrich
2,5-Diaminopyridine 97%
10g
$ 545.00

Sigma-Aldrich
2,5-Diaminopyridine 97%
1g
$ 90.20

Sigma-Aldrich
2,5-Diaminopyridine 97%
5g
$ 428.00

Matrix Scientific
2,5-Diaminopyridine 95+%
5g
$ 280.00

Matrix Scientific
2,5-Diaminopyridine 95+%
1g
$ 93.00

Crysdot
Pyridine-2,5-diamine 97%
1g
$ 70.00

Chemenu
2,5-Diaminopyridine 97%
25g
$ 299.00

Biosynth Carbosynth
2,5-Diaminopyridine
2 g
$ 180.00

Biosynth Carbosynth
2,5-Diaminopyridine
5 g
$ 300.00

Total 68 raw suppliers

Chemical Property of 2,5-Diaminopyridine

Chemical Property:

Appearance/Colour:Yellow to purple crystalline powder
Vapor Pressure:0.000182mmHg at 25°C
Melting Point:110.3°C
Refractive Index:1.676
Boiling Point:329.1 °C at 760 mmHg
PKA:6.48(at 20℃)
Flash Point:179.1 °C
PSA：64.93000
Density:1.251 g/cm³
LogP:1.40840
Storage Temp.:Keep in dark place,Inert atmosphere,Room temperature
XLogP3:-0.2
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:0
Exact Mass:109.063997236
Heavy Atom Count:8
Complexity:74.1

Purity/Quality:

99% ^*data from raw suppliers

2,5-Diaminopyridine ^*data from reagent suppliers

Safty Information:

Pictogram(s): Xi
Hazard Codes:Xi
Statements: 36/37/38
Safety Statements: 26-36

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C1=CC(=NC=C1N)N
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.

Technology Process of 2,5-Diaminopyridine

There total 11 articles about 2,5-Diaminopyridine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 84.0%

: 69080-06-4
2-azido-5-nitropyridine

: 4318-76-7
pyridine-2,5-diamine

Guidance literature:: With hydrogenchloride; indium; In tetrahydrofuran; at 20 ℃; for 5h;

Reference yield: 55.0%

: 624-28-2
2,5-dibromopyridine

: 4318-76-7
pyridine-2,5-diamine

Guidance literature:: With [Cu₂(2,7-bis(pyridin-2-yl)-l,8-naphthyridine)(OH)(CF₃COO)3]; tetrabutylammomium bromide; ammonia; caesium carbonate; In ethylene glycol; at 140 ℃; for 16h; chemoselective reaction; Sealed tube;
DOI:10.1016/j.catcom.2012.11.027