3-Methyl-2-buten-1-ol
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Grundinformationen
- CAS
556-82-1- Standard-SMILES
CC(C)=CCO- InChIKey
ASUAYTHWZCLXAN-UHFFFAOYSA-N- Summenformel
- C5H10O
- Durchschnittliche Molmasse
- 86,13 g/mol
- Monoisotopische Masse
- 86,07316494
Überblick
Prenol is a member of prenols and an alkenyl alcohol.
Namen und Bezeichner
- Bevorzugter Name
- 3-Methyl-2-buten-1-OL
- IUPAC
- 3-methylbut-2-en-1-ol
- Lokaler Name
- 3-Methyl-2-buten-1-ol
- Englischer Name
- 3-Methyl-2-buten-1-ol
- Summenformel
- C5H10O
- Molmasse
- 86.13
Namen und Synonyme
3-METHYL-2-BUTEN-1-OL556-82-1Prenol3-Methylbut-2-en-1-olPrenyl alcohol2-Buten-1-ol, 3-methyl-3-Methyl-2-butenolDimethylallyl alcohol3-Methyl-2-butenyl alcoholFEMA No. 3647DTXSID20272062-methyl-2-buten-4-ol
Weitere Namen anzeigen
ISOPENTENOL3-METHYL-2-BUTENE-1-OLFEMA 3647ISOPENTENYL ALCOHOLISOBUTENYLCARBINOL
55MY0HM445NSC-158709DTXCID507206CHEBI:16019RefChem:175877gamma,gamma-Dimethylallyl alcohol209-141-43,3-Dimethylallyl alcohol
Datenbank-Bezeichner
- CAS
556-82-1- PubChem CID
- 11173
- DTXSID
DTXSID2027206- ChEMBL
CHEMBL3184952- ChEBI
CHEBI:16019- UNII
- 55MY0HM445
- EC Number
- 209-141-4
- Nikkaji
- J11.528B
Eigenschaften
Berechnete StruktureigenschaftenWird ergänzt
- XLogP
- 1
- Polarare Oberfläche (TPSA)
- 20,2 Ų
- H-Brücken-Donoren
- 1
- H-Brücken-Akzeptoren
- 1
- Frei drehbare Bindungen
- 1
- Schwere Atome
- 6
- Formalladung
- 0
- Komplexität
- 51
Experimentelle und physikochemische Eigenschaften
LipidsFatty Acyls [FA] -> Fatty alcohols [FA05]
PolymersOther Classes -> Alcohols and Polyols, Other
SpringerMaterials PropertiesBoiling point
FragrancesFragrance Ingredient (3-Methyl-2-buten-1-ol) -> IFRA transparency List
LogP0.91
Food AdditivesFLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
Density
0.85 g/cm³
Relative density of the vapour/air-mixture at 20 °C (air = 1): 1.1
0.844-0.852
Flavoring AgentsEU Flavoring substances
Viscosity3.5 mm²/s at 25 °C
Solubility
Solubility in water, g/100ml at 20 °C: 17 (good)
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
Danger
H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
P210, P233, P240, P241, P242, P243, P260, P264, P264+P265, P270, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P303+P361+P353, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P321, P330, P332+P317, P337+P317, P362+P364, P363, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 1853 reports by companies from 18 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Danger
H226: Flammable liquid and vapor [Warning Flammable liquids]
Gefahrenhinweise
Regulatory Information
Chemical: 2-Buten-1-ol, 3-methyl-
Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)
Status: Active Update: 23-10-2020 https://echa.europa.eu/registration-dossier/-/registered-dossier/1947
3-Methyl-2-buten-1-ol: Does not have an individual approval but may be used under an appropriate group standard
Other Safety InformationIMAP assessments - 2-Buten-1-ol, 3-methyl-: Human health tier I assessment
Fire HazardsFlammable. Above 50 °C explosive vapour/air mixtures may be formed.
Hazards Summary
A moderate skin irritant; [RTECS] A severe skin and eye irritant; [ICSC] Safe when used as a flavoring agent in food; [JECFA] Causes burns; Harmful by ingestion; [ECHA REACH Registrations] A skin and strong eye irritant; Toxic by ingestion; [Alfa Aesar MSDS]
UN Classification
Chemie und Industrie
Pharmakologische Informationen
Cellular LocationsCytoplasm
Verwendung und Herstellung
UsesUsed as a flavoring agent; [FDA] Used as an intermediate for citral and in cosmetics; [OECD SIDS: IUCLID Data Set]
Use Classification
Fragrance Ingredients
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
General Manufacturing Information2-Buten-1-ol, 3-methyl-: ACTIVE
Anwendungen
Beschreibung3-Methyl-2-buten-l-ol has a phenolic, metallic odor bearing a resemblance to iron gallate ink. May be synthesized from isoprene by hydration via prenyl acetate or by rearrangement of 3-methyll-buten-3-ol.
Verwenden3-Methyl-2-buten-1-ol is used as a reagent for protection of carboxylic acids as their 3-methyl-2-buten-1-yl (Prenyl) esters. It is also used in perfumery.
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