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HCID 33515Erstellt: 26. Oktober 2026

2,4-Dichlorpyridin

2,4-Dichlorpyridine · IFLAB-BB F2108-0071 · 2,4-DICHLOROPYRIDINE · Pyridine, 2,4-dichloro- · 2,4-Dichloropyridine>2,4 dicloropyridine 98% · 2,4-Dichloropyridine,97% · 2,4-Dichloropyridine 97% · 2,4-Dichloropyridine ,98%

https://huagongshe.com/de/chemical/33515

Molekülstruktur von 2,4-Dichlorpyridin

Identifikatoren & physikalische Daten

CAS No.26452-80-2
SummenformelC5H3Cl2N
Durchschnittliche Molmasse147,99 g/mol
Monoisotopische Masse146,96425446 g/mol
SMILESClc1ccnc(Cl)c1
InChIKeyTYPVHTOETJVYIV-UHFFFAOYSA-N
PubChem CID33515
EC No.247-717-7
DTXSIDDTXSID20181047
Lokaler Name2,4-Dichlorpyridin

Chemische & physikalische Eigenschaften

XLogP2,4
Polarare Oberfläche (TPSA)12,9
H-Brücken-Donoren0
H-Brücken-Akzeptoren1
Frei drehbare Bindungen0
Schwere Atome8
Formalladung0
Komplexität76,8
Schmelzpunkt-1 °C
Siedepunkt189-190 °C (lit.) 76-78 °C/23 mmHg (lit.)
Dichte1.37
Brechungsindex1.55-1.554
Flammpunkt189-190°C
LagerbedingungenInert atmosphere,2-8°C
LöslichkeitChloroform
AggregatzustandYellow to Pale Orange Liquid
pKa (Säurekonstante)0.12±0.10(Predicted)
FarbeColorless to Red to Green
BRN108666
InChIInChI=1S/C5H3Cl2N/c6-4-1-2-8-5(7)3-4/h1-3H
InChIKeyTYPVHTOETJVYIV-UHFFFAOYSA-N
SMILESC1(Cl)=NC=CC(Cl)=C1
CAS Datenbank26452-80-2(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungDangerH302 (93.8%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P262, P264, P264+P265, P270, P271, P272, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P321, P330, P332+P317, P333+P317, P337+P317, P361+P364, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 48 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (93.8%)
Wassergefährdungsklasse (WGK)3
UN-Transportnummer2810
Zollcode29333990
RTECS-Nr.NC3410400
R-Sätze (R)25-38-41-43-36/37/38-20/22
GefahrensymboleT,Xi,Xn
hazard_noteHarmful/Irritant
Sicherheitshinweise (S)26-36/37/39-45-36
Gefahrenklasse6.1Acute Tox. 4 OralEye Dam. 1Skin Irrit. 2Skin Sens. 1
VerpackungsgruppeIII
Lagerklasse10 - Combustible liquids

Anwendungen & Verwendung

Verwenden

2,4-Dichloropyridine is a versatile reactant used in the preparation of host materials for light-emitting diodes with heterocyclic cores. Also used in the preparation of sulfonylated pyridines, pyrazine and quinoline via aromatic nucleophilic substitution of azines with sodium sulfinates.

2,4-Dichloropyridine|Huagongshe