Grundinformationen
- Standard-SMILES
C/C=C(\C)C(=O)O- InChIKey
UIERETOOQGIECD-ONEGZZNKSA-N- Summenformel
- C5H8O2
- Durchschnittliche Molmasse
- 100,12 g/mol
- Monoisotopische Masse
- 100,05242949
Namen und Bezeichner
- Bevorzugter Name
- Tiglic acid
- IUPAC
- (E)-2-methylbut-2-enoic acid
- Lokaler Name
- (E)-2-Methylbut-2-ensure
- Englischer Name
- Tiglic acid
- Summenformel
- C5H8O2
- Molmasse
- 100.12
Namen und Synonyme
TIGLIC ACID80-59-1(E)-2-Methylbut-2-enoic acidTiglinic acidtrans-2,3-Dimethylacrylic acidtrans-2-Methyl-2-butenoic acidtrans-2-Methylcrotonic acid(E)-2,3-Dimethylacrylic acid(E)-2-Methyl-2-butenoic acid(E)-2-Methylcrotonic acid2-Butenoic acid, 2-methyl-, (2E)-Crotonic acid, 2-methyl-, (E)-
Weitere Namen anzeigen
tiglicFEMA 35992-METHYL-2-BUTENOIC ACID2-METHYLCROTONIC ACID2-METHYLBUT-2-ENOIC ACIDNSC 8999
2-Butenoic acid, 2-methyl-, (E)-2,3-Dimethylacrylic acid, (E)-FEMA No. 3599trans-alpha,beta-Dimethylacrylic acid2-methyl-2E-butenoic acidI5792N03HCNSC-8999NSC-44235
Datenbank-Bezeichner
- CAS
13201-46-2、80-59-1- PubChem CID
- 125468
- DTXSID
DTXSID80883257- ChEMBL
CHEMBL52416- ChEBI
CHEBI:9592- UNII
- I5792N03HC
- EC Number
- 201-295-0、236-167-3
- Nikkaji
- J100.741F、J4.252H
Eigenschaften
Berechnete Struktureigenschaften
- XLogP
- 1
- Polarare Oberfläche (TPSA)
- 37,3 Ų
- H-Brücken-Donoren
- 1
- H-Brücken-Akzeptoren
- 2
- Frei drehbare Bindungen
- 1
- Schwere Atome
- 7
- Formalladung
- 0
- Komplexität
- 103
Physikochemische Eigenschaften
- Schmelzpunkt
- 61 · 61-64 °C(lit.)
- Siedepunkt
- 95 · 95-96 °C12 mm Hg(lit.)
- Dichte
- 0.969 g/mL · 0.969 g/mL at 25 °C(lit.)
- Brechungsindex
- 81 · nD81 1.4342
- FEMA
- 3599 · 3599 | 2-METHYL-TRANS-2-BUTENOIC ACID
- Flammpunkt
- 101 °C · 101°C
- storage temp.
- 2 · 2-8°C
- Löslichkeit
- Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
- pka
- pK (25°) 5.02
- Aggregatzustand
- Crystalline Powder and Chunks
- Wichte
- 0.969 · 0.969
- Farbe
- White to beige
- Geruch (Odor)
- 10 % · at 10.00 % in dipropylene glycol. sweet dry spicy woody caramel
- Geruchsart
- spicy
- Biologische Quelle
- synthetic
- Wasserlöslichkeit
- SOLUBLE IN HOT WATER
- Merck
- 14 · 14,9433
- JECFA Number
- 1205 · 1205
- BRN
- 1236500 · 1236500
- Major Application
- flavors and fragrances
- Kosmetik-Inhaltsstoffe Funktionen
- PERFUMING
- InChI
- 1S/C5H8O2/c1-3-4(2)5(6)7/h3H,1-2H3,(H,6,7)/b4-3+
- InChIKey
- UIERETOOQGIECD-ONEGZZNKSA-N
- SMILES
- C\C=C(/C)C(O)=O
- LogP
- 1.35 · 1.35
- CAS Datenbank
- 80 · 80-59-1(CAS DataBase Reference)
- NIST chemische Informationen
- 2 · 2-Butenoic acid, 2-methyl-, (E)-(80-59-1)
- EPA chemische Informationen
- 2 · 2-Butenoic acid, 2-methyl-, (2E)- (80-59-1)
Sicherheit und Regulatorisches
Sicherheitsdaten
- wgk
- 2
- tsca
- TSCA listed
- ridadr
- UN 3261 8/PG 2
- hs_code
- 29161980
- RTECS-Nr.
- GQ5430000
- risk_code
- 34-36/37/38
- hazard_code
- C,Xi
- safety_code
- 26-36/37/39-45-24/25-27
- hazard_class
- 8
- packing_group
- III
- Speicherklasse
- 11 - Combustible Solids
- Giftige Stoffe Daten
- 80-59-1(Hazardous Substances Data)
- Hazard Classifications
- Eye Irrit. 2Skin Irrit. 2STOT SE 3
Chemie und Industrie
Anwendungen
Beschreibungfrarc.s-2-Methyl-2-butenoic acid has a sweet, warm, spicy odor. May be synthesized from 2-hydroxy-2-methylbutyronitrile.
OccurrenceReported found in celery leaves and stalk, cocoa, mango, dried bonito and Roman chamomile oil
VerwendenTiglic acid is the stable isomer of angelic acid. Tiglic acid was found as glyceride in croton oil, as butyl ester in the oil of the Roman camomile, and as geranyl tiglate in oil of geranium. Tiglic a cid is formed during the charcoaling of maple wood.
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Ergänzende Hinweise
DefinitionChEBI: A 2-methylbut-2-enoic acid having its double bond in trans-configuration.
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