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HCID 12759Erstellt: 24. Oktober 2026

2,3,5-Trimethylpyridin

2,3,5-TRIMETHYLPYRIDINE · 2,3,5-TrimethyL · Pyridine, 2,3,5-trimethyl- · 235CO · 5-Collidine · 2,3,5-COLLIDINE · 2,3,5-Collidine, 98% · 3,5-Trimethylpyridine

https://huagongshe.com/de/chemical/12759

Molekülstruktur von 2,3,5-Trimethylpyridin

Identifikatoren & physikalische Daten

CAS No.695-98-7
SummenformelC8H11N
Durchschnittliche Molmasse121,18 g/mol
Monoisotopische Masse121,08914936 g/mol
SMILESCc1cnc(C)c(C)c1
InChIKeyGFYHSKONPJXCDE-UHFFFAOYSA-N
PubChem CID12759
EC No.211-786-1
DTXSIDDTXSID80219734
Lokaler Name2,3,5-Trimethylpyridin

Chemische & physikalische Eigenschaften

XLogP2
Polarare Oberfläche (TPSA)12,9
H-Brücken-Donoren0
H-Brücken-Akzeptoren1
Frei drehbare Bindungen0
Schwere Atome9
Formalladung0
Komplexität90
Kovats Retention Index105510601045.210761484
Schmelzpunkt-56.98°C (estimate)
Siedepunkt184 °C(lit.)
Dichte0.931 g/mL at 25 °C(lit.)
Brechungsindexn20/D 1.508(lit.)
Flammpunkt165 °F
LagerbedingungenInert atmosphere,Room Temperature
LöslichkeitChloroform (Slightly), Methanol (Slightly)SLIGHTLY SOLUBLE
pKa (Säurekonstante)6.53±0.20(Predicted)
AggregatzustandLiquid
Wichte0.94
FarbeClear colorless to very slightly yellow
BRN108832
InChI1S/C8H11N/c1-6-4-7(2)8(3)9-5-6/h4-5H,1-3H3
InChIKeyGFYHSKONPJXCDE-UHFFFAOYSA-N
SMILESCc1cnc(C)c(C)c1
CAS Datenbank695-98-7(CAS DataBase Reference)
NIST chemische InformationenPyridine, 2,3,5-trimethyl-(695-98-7)

Sicherheit & Vorschriften

GHS-EinstufungWarningH302 (10.4%): Harmful if swallowed [Warning Acute toxicity, oral]H312 (10.4%): Harmful in contact with skin [Warning Acute toxicity, dermal]H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H332 (10.4%): Harmful if inhaled [Warning Acute toxicity, inhalation]H335 (95.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P280, 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 48 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesAcute Tox. 4 (10.4%)Skin Irrit. 2 (100%)Eye Irrit. 2 (100%)STOT SE 3 (95.8%)
Wassergefährdungsklasse (WGK)3
UN-TransportnummerNA 1993 / PGIII
Zollcode29333990
R-Sätze (R)36/37/38-20/21/22
GefahrensymboleXi,T,Xn
hazard_noteToxic
Sicherheitshinweise (S)26-36-36/37
Gefahrenklasse6.1Eye Irrit. 2Skin Irrit. 2STOT SE 3
Lagerklasse10 - Combustible liquids

Anwendungen & Verwendung

Verwenden

2,3,5-Collidine is omeprazole intermediate which is the drug involved in proton pump inhibitors to block the production of stomach acid. It is used in the manufacture vitamin D3.