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HCID 33166Erstellt: 3. November 2026

2-Isopropyl-3-methoxypyrazin

Bean pyrazine · Pyrazine, 2-methoxy-3-(1-methylethyl)- · 2-METHOXY-3-ISOPROPYLPYRAZINE · FEMA 3358 · 3-isopropyl-2-methoxypyrazine · 47527-u · FEMA NUMBER 3358 · Thymol Impurity?39

https://huagongshe.com/de/chemical/33166

Molekülstruktur von 2-Isopropyl-3-methoxypyrazin

Identifikatoren & physikalische Daten

CAS No.25773-40-4
SummenformelC8H12N2O
Durchschnittliche Molmasse152,19 g/mol
Monoisotopische Masse152,09496301 g/mol
SMILESCOc1nccnc1C(C)C
InChIKeyNTOPKICPEQUPPH-UHFFFAOYSA-N
PubChem CID33166
ChEMBLCHEMBL96852
EC No.247-256-1
DTXSIDDTXSID4067147
Lokaler Name2-Isopropyl-3-methoxypyrazin

Chemische & physikalische Eigenschaften

XLogP2
Polarare Oberfläche (TPSA)35
H-Brücken-Donoren0
H-Brücken-Akzeptoren3
Frei drehbare Bindungen2
Schwere Atome11
Formalladung0
Komplexität117
ArzneimittelPharmaceuticals -> Listed in ZINC15
DuftstoffeFragrance Ingredient (2-Methoxy-3(5 and 6)-isopropylpyrazine) -> IFRA transparency List
AromastoffeEU Flavoring substances
Siedepunkt120.00 to 125.00 °C. @ 20.00 mm Hg120-125 °C (20 mmHg)
Dichte0.996 g/mL at 25 °C (lit.)
Brechungsindexn20/D 1.494(lit.)
FEMA3358 | 2-METHOXY-3(5 AND 6)-ISOPROPYLPYRAZINE
Flammpunkt152 °F
LagerbedingungenSealed in dry,Room Temperature
pKa (Säurekonstante)0.81±0.10(Predicted)
Aggregatzustandclear liquid
FarbeColorless to Orange to Green
Geruchgreen pea odor
Biologische Quellesynthetic
Geruchsartearthy
JECFA Number790
Henry-Konstante2.1×101 mol/(m3Pa) at 25℃, Wu et al. (2022)
Kosmetik-Inhaltsstoffe FunktionenPERFUMING
InChI1S/C8H12N2O/c1-6(2)7-8(11-3)10-5-4-9-7/h4-6H,1-3H3
InChIKeyNTOPKICPEQUPPH-UHFFFAOYSA-N
SMILESCOc1nccnc1C(C)C
LogP (Verteilungskoeffizient)2.37
CAS Datenbank25773-40-4(CAS DataBase Reference)
NIST chemische InformationenPyrazine, 2-methoxy-3-(1-methylethyl)-(25773-40-4)
EPA chemische InformationenPyrazine, 2-methoxy-3-(1-methylethyl)- (25773-40-4)

Sicherheit & Vorschriften

GHS-EinstufungThis chemical does not meet GHS hazard criteria for 5.9% (86 of 1452) of reports.WarningH302 (88.8%): 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 1452 reports by companies from 10 notifications to the ECHA C&L Inventory.
Regulatorische InformationenChemical: Pyrazine, 2-methoxy-3-(1-methylethyl)-Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)Pyrazine, 2-methoxy-3-(1-methylethyl)-: Does not have an individual approval but may be used under an appropriate group standardPyrazine, methoxy(1-methylethyl)-: Does not have an individual approval but may be used under an appropriate group standard
Weitere SicherheitsinformationenIMAP assessments - Pyrazine, 2-methoxy-3-(1-methylethyl)-: Environment tier I assessment
Hazard Classes and CategoriesAcute Tox. 4 (88.8%)Skin Irrit. 2 (100%)
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
UN-TransportnummerUN 1230 3/PG 2
Zollcode29339900
R-Sätze (R)36/37/38-39/23/24/25-23/24/25-11
GefahrensymboleXi,T,F
Sicherheitshinweise (S)26-36/37/39-24/25-45-36/37-16-7-36/37/38
Lagerklasse10 - Combustible liquids
GefahrenklasseEye Irrit. 2Skin Irrit. 2STOT SE 3