StartseiteMCPWorkbenchSkills
StartseiteWorkbenchBenachrichtigungenMein Bereich
Huagongshe Open Project:[email protected]KI-Anbindung: llms.txt · MCP-AnleitungDatenschutz · Nutzungsbedingungen · Supportv1.7.8
Zurück
HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HCID 9956Erstellt: 27. Oktober 2026

Pyridin-2,3-diyldiamin

PYRIDINE-2,3-DIAMINE · 2,3-pyridinediamine · 3-DiaMinopyridine · 2,3-diamino-pyridin · 2,3-DIAMINOPYRIDINE · TIMTEC-BB SBB004339 · Pyridin-2,3-diaMine · Pyridine, 2,3-diamino-

https://huagongshe.com/de/chemical/9956

Molekülstruktur von Pyridin-2,3-diyldiamin

Identifikatoren & physikalische Daten

CAS No.452-58-4
SummenformelC5H7N3
Durchschnittliche Molmasse109,13 g/mol
Monoisotopische Masse109,06399722 g/mol
SMILESNc1cccnc1N
InChIKeyZZYXNRREDYWPLN-UHFFFAOYSA-N
PubChem CID9956
ChEBICHEBI:195591
EC No.207-200-9
DTXSIDDTXSID0051493
Lokaler NamePyridin-2,3-diyldiamin

Chemische & physikalische Eigenschaften

XLogP-0,2
Polarare Oberfläche (TPSA)64,9
H-Brücken-Donoren2
H-Brücken-Akzeptoren3
Frei drehbare Bindungen0
Schwere Atome8
Formalladung0
Komplexität74,1
Collision Cross Section118.5 Ų [M+H]+ [CCS Type: DTBuffer gas: N2Ionization: ESI+Dataset: TOXCASTSource Identifier: DTXSID0051493]
Schmelzpunkt110-115 °C (lit.)
Siedepunkt195°C 55mm
Dichte1.1118 (rough estimate)
Brechungsindex1.5340 (estimate)
Flammpunkt205 °C
LagerbedingungenKeep in dark place,Sealed in dry,Room Temperature
LöslichkeitH2O: soluble50mg/mL, opaque (brown to very dark brown)100 g/L (20 ºC)
AggregatzustandSolid
pKa (Säurekonstante)6.78±0.36(Predicted)
FarbeVery Dark Brown
BRN109869
InChI1S/C5H7N3/c6-4-2-1-3-8-5(4)7/h1-3H,6H2,(H2,7,8)
InChIKeyZZYXNRREDYWPLN-UHFFFAOYSA-N
SMILESNc1cccnc1N
CAS Datenbank452-58-4(CAS DataBase Reference)
NIST chemische Informationen2,3-Pyridinediamine(452-58-4)

Sicherheit & Vorschriften

GHS-EinstufungDangerH301 (15.2%): Toxic if swallowed [Danger Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 46 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 3 (15.2%)
F9
Wassergefährdungsklasse (WGK)3
UN-TransportnummerUN 2811
Zollcode29333999
RTECS-Nr.US7548000
R-Sätze (R)22-36/37/38-25
GefahrensymboleXn,Xi,T
hazard_noteIrritant
Sicherheitshinweise (S)26-36/37-45-37/39-28A-36
Gefahrenklasse6.1Eye Irrit. 2Skin Irrit. 2STOT SE 3
VerpackungsgruppeII
Lagerklasse11 - Combustible Solids

Anwendungen & Verwendung

Verwenden

2,3-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.