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HCID 25916Erstellt: 4. November 2026

3-Ethyl-2,5-dimethylpyrazin

Pyrazine, 3-ethyl-2,5-dimethyl- · 2-Ethyl-3,6-dimethylpyrazine · 2,5-DIMETHYL-3-ETHYLPYRAZINE · FEMA 3149 · 2,6-DIMETHYL-3-ETHYLPYRAZINE · 3-ethyl-2,5-dimethyl-Pyrazine · 3-Ethyl-2,5-Methylpyrazine · 3,6-Dimethyl-2-ethylpyrazine

https://huagongshe.com/de/chemical/25916

Molekülstruktur von 3-Ethyl-2,5-dimethylpyrazin

Identifikatoren & physikalische Daten

CAS No.13360-65-1
SummenformelC8H12N2
Durchschnittliche Molmasse136,19 g/mol
Monoisotopische Masse136,10004839 g/mol
SMILESCCc1nc(C)cnc1C
InChIKeyWHMWOHBXYIZFPF-UHFFFAOYSA-N
PubChem CID25916
ChEMBLCHEMBL95123
ChEBICHEBI:199156
EC No.236-417-1
DTXSIDDTXSID1065423
Lokaler Name3-Ethyl-2,5-dimethylpyrazin

Chemische & physikalische Eigenschaften

XLogP1,5
Polarare Oberfläche (TPSA)25,8
H-Brücken-Donoren0
H-Brücken-Akzeptoren2
Frei drehbare Bindungen1
Schwere Atome10
Formalladung0
Komplexität103
DuftstoffeFragrance Ingredient (3-Ethyl-2,5-dimethylpyrazine) -> IFRA transparency List
AromastoffeEU Flavoring substances
Siedepunkt180-181 °C(lit.)
Dichte0.965 g/mL at 25 °C(lit.)
FEMA3149 | 2-ETHYL-3,(5 OR 6)-DIMETHYLPYRAZINE
Brechungsindexn20/D 1.5015(lit.)
Flammpunkt157 °F
LagerbedingungenSealed in dry,Room Temperature
LöslichkeitChloroform (Slightly), Ethyl Acetate (Slightly)
pKa (Säurekonstante)2.61±0.10(Predicted)
AggregatzustandOil
FarbeColourless
Geruchroasted odor, reminiscent of nuts
Geruchsartnutty
JECFA Number775
Kosmetik-Inhaltsstoffe FunktionenPERFUMING
LogP (Verteilungskoeffizient)2.07
EPA chemische InformationenPyrazine, 3-ethyl-2,5-dimethyl- (13360-65-1)

Sicherheit & Vorschriften

GHS-EinstufungWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 1017 reports by companies from 2 notifications to the ECHA C&L Inventory.
Regulatorische InformationenChemical: Pyrazine, 3-ethyl-2,5-dimethyl-Chemical: Pyrazine, 2-ethyl-3,?-dimethyl-Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)Pyrazine, 3-ethyl-2,5-dimethyl-: Does not have an individual approval but may be used under an appropriate group standardPyrazine, 2-ethyl-3,?-dimethyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Weitere SicherheitsinformationenIMAP assessments - Pyrazine, 2-ethyl-3,?-dimethyl-: Environment tier I assessment
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
R-Sätze (R)22-36/37/38
GefahrensymboleXn
Sicherheitshinweise (S)26

Anwendungen & Verwendung

Verwenden

2-Ethyl-3,6-dimethylpyrazine is a flavour-active and non-volatile compound identified in thermally treated yeast extracts. It is also useful in the synthesis of new flavour additive species of pyrazines.