2,3-Diaminopyridine

2,3-Diaminopyridine
  • CAS No.:452-58-4
Other grades of this product :
2,3-Diaminopyridine Basic information
Product Name:2,3-Diaminopyridine
Synonyms:ASINEX-REAG BAS 01435295;2,3-diamino-pyridin;Pyridine, 2,3-diamino-;PYRIDINE-2,3-DIAMINE;TIMTEC-BB SBB004339;2,3-DIAMINOPYRIDINE;pyridine-2,3-diyldiamine;2,3-Diaminopyridine99%
CAS:452-58-4
MF:C5H7N3
MW:109.13
EINECS:207-200-9
Product Categories:Highly Purified Reagents;Other Categories;Pyridines, Pyrimidines, Purines and Pteredines;Amines;Pyridines;Refined Products by Sublimation;Pyridine;Pyridines derivates;Boronic Acid;C5;Heterocyclic Building Blocks
Mol File:452-58-4.mol
2,3-Diaminopyridine Chemical Properties
Melting point 110-115 °C (lit.)
Boiling point 195°C 55mm
density 1.1118 (rough estimate)
refractive index 1.5340 (estimate)
Fp 205 °C
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility H2O: soluble50mg/mL, opaque (brown to very dark brown)
form Solid
pka6.78±0.36(Predicted)
color Very Dark Brown
Water Solubility 100 g/L (20 ºC)
Sensitive Air Sensitive
BRN 109869
InChIKeyZZYXNRREDYWPLN-UHFFFAOYSA-N
CAS DataBase Reference452-58-4(CAS DataBase Reference)
NIST Chemistry Reference2,3-Pyridinediamine(452-58-4)
Safety Information
Hazard Codes Xn,Xi,T
Risk Statements 22-36/37/38-25
Safety Statements 26-36/37-45-37/39-28A-36
RIDADR UN 2811
WGK Germany 3
RTECS US7548000
9
Hazard Note Irritant
HazardClass 6.1
PackingGroup II
HS Code 29333999
MSDS Information
ProviderLanguage
Pyridine-2,3-diamine English
SigmaAldrich English
ACROS English
ALFA English
2,3-Diaminopyridine Usage And Synthesis
Chemical PropertiesBrown powder
Uses2,3-Diaminopyridine was used in the synthesis of 2,3-diaminopyridinium-4-hydroxybenzoate1. It was used as internal standard in analysis of poly(amidoamine)dendrimers having different terminal functionalities by capillary electrophoresis. It was used as reagent in synthesis of imidazopyridines and organometallic complexes.
General Description2,3-Diaminopyridine forms the bis-condensed Schiff base with salicylaldehyde. It forms charge transfer complex with tetrachloro-p-benzoquinone and tetracyanoethylene.
Purification MethodsIt crystallises from *benzene and sublimes in vacuo. [Beilstein 22/11 V 241.]
2,3-Diaminopyridine Preparation Products And Raw materials
Raw materialsEthyl acetate-->Palladium-->2-Amino-3-nitropyridine
Preparation Products4-Azabenzimidazole-->1-ACETYL-1H-1,2,3-TRIAZOLO[4,5-B]PYRIDINE-->8-CHLORO-[1,7]NAPHTHYRIDINE-->2-(2-PYRIDYL)BENZIMIDAZOLE

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