Grundinformationen
- Standard-SMILES
CC(=O)c1ccc(C)s1- InChIKey
YOSDTJYMDAEEAZ-UHFFFAOYSA-N- Summenformel
- C7H8OS
- Durchschnittliche Molmasse
- 140,2 g/mol
- Monoisotopische Masse
- 140,02958605
Namen und Bezeichner
- Bevorzugter Name
- 2-Acetyl-5-methylthiophene
- IUPAC
- 1-(5-methylthiophen-2-yl)ethanone
- Lokaler Name
- 1-(5-Methyl-2-thienyl)ethan-1-on
- Englischer Name
- 1-(5-Methyl-2-thienyl)ethan-1-one
- Summenformel
- C7H8OS
- Molmasse
- 140.2
Namen und Synonyme
2-Acetyl-5-methylthiophene1-(5-methylthiophen-2-yl)ethanoneEthanone, 1-(5-methyl-2-thienyl)-1-(5-Methyl-2-thienyl)ethan-1-one1-(5-Methyl-2-thienyl)ethanone1-(5-METHYLTHIOPHEN-2-YL)ETHAN-1-ONEKetone, methyl 5-methyl-2-thienyl5-methyl-2-acetylthiopheneMethylthienylcetone2-methyl-5-acetylthiopheneMethyl 5-methyl-2-thienyl ketoneMethylthienylcetone [French]
Weitere Namen anzeigen
-Methyl-5-acetylthiophene2-Acetyl-5-metylthiophene1-(5-methyl-2-thienyl)-ethanon2-Acetyl-5-methylthiophene,98%2-Acetyl-5-methylthiophene >
BRN 0110854EINECS 237-181-2UNII-2HS3I278W9Thiophene, 2-acetyl-5-methylAI3-159002HS3I278W9FEMA NO. 4643YOSDTJYMDAEEAZ-UHFFFAOYSA-
Datenbank-Bezeichner
- CAS
13679-74-8- PubChem CID
- 83655
- DTXSID
DTXSID10159932- ChEBI
CHEBI:173589- UNII
- 2HS3I278W9
- EC Number
- 237-181-2
- Nikkaji
- J45.610A
Eigenschaften
Berechnete Struktureigenschaften
- XLogP
- 2
- Polarare Oberfläche (TPSA)
- 45,3 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 2
- Frei drehbare Bindungen
- 1
- Schwere Atome
- 9
- Formalladung
- 0
- Komplexität
- 122
Physikochemische Eigenschaften
- Schmelzpunkt
- 24 · 24-28 °C(lit.)
- Siedepunkt
- 65 · 65-67 °C1 mm Hg(lit.)
- Dichte
- 1.106 g/mL · 1.106 g/mL at 25 °C(lit.)
- Brechungsindex
- 20 · n20/D 1.561(lit.)
- FEMA
- 4643 · 4643 | 2-ACETYL-5-METHYLTHIOPHENE
- Flammpunkt
- 230 °F · >230 °F
- storage temp.
- 2 · under inert gas (nitrogen or Argon) at 2–8 °C
- Aggregatzustand
- Low Melting Crystalline Mass, Powder or Crystals
- Wichte
- 1.119 · 1.119
- Farbe
- White to pale yellow
- Geruch (Odor)
- 1 % · at 1.00 % in propylene glycol. sweet spicy honey hawthorn almond acacia hyacinth caramellic graham cracker
- Geruchsart
- spicy
- JECFA Number
- 2107 · 2107
- BRN
- 110854 · 110854
- InChI
- 1S/C7H8OS/c1-5-3-4-7(9-5)6(2)8/h3-4H,1-2H3
- InChIKey
- YOSDTJYMDAEEAZ-UHFFFAOYSA-N
- SMILES
- CC(=O)c1ccc(C)s1
- LogP
- 2.04 · 2.04
- CAS Datenbank
- 13679 · 13679-74-8(CAS DataBase Reference)
- NIST chemische Informationen
- 2 · 2-Acetyl-5-methylthiophene(13679-74-8)
Sicherheit und Regulatorisches
Sicherheitsdaten
- wgk
- 3
- ridadr
- UN 3335
- hs_code
- 29349990
- RTECS-Nr.
- OB4972000
- risk_code
- 20/21/22
- hazard_code
- Xn,Xi
- hazard_note
- Irritant
- safety_code
- 36/37-22
- hazard_class
- STENCH
- Speicherklasse
- 11 - Combustible Solids
Chemie und Industrie
Anwendungen
Verwenden2-Acetyl-5-methylthiophene may be used in the preparation of:2-ethyl-5-methylthiophene(5-methylthiophen-2-yl)glyoxal(2E)-1-(5-methylthiophen-2-yl)-3-(pyridin-3-yl)prop-2-en-1-oneethyl 3-(5-methylthiophen-2-yl)-3-oxopropanoate
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