694126

Methoxyallene

technical grade

• Synonym(s): 1-Methoxy-1,2-propadiene, Methyl propadienyl ether, NSC 363923
• Empirical Formula (Hill Notation): C₄H₆O
• CAS Number: 13169-00-1
• Molecular Weight: 70.09
• NACRES: NA.22
• PubChem Substance ID: 329761238
• UNSPSC Code: 12352100
• MDL number: MFCD00153022
• Form: liquid

Properties

• grade: technical grade
• Quality Level: 200
• form: liquid
• refractive index: n20/D 1.429
• density: 0.832 g/mL at 25 °C
• functional group: ether
• storage temp.: 2-8°C
• SMILES string: COC=C=C
• InChI: 1S/C4H6O/c1-3-4-5-2/h4H,1H2,2H3
• InChI key: RRWJXAJEGRDMQH-UHFFFAOYSA-N

Description

Application

Reactant involved in:

• Multicomponent reactions with nitriles and carboxylic acids followed by cyclocondensation for synthesis of enantiopure pyridines
• Intermolecular hydroamination
• One-pot synthesis of alkoxy and (alkylsulfanyl)-substituted pyrroles and dihydropyridines
• Intermolecular [4+2] cycloaddition with dienes
• Allenyl cyclization and subsequent transformation into dicarbonyl, cyclopentenones, and butenolide compounds
• Insertion reactions of C-C pi-bonds into alkylidenesilacyclopropanes

Safety Information

• pictograms: GHS02
• signalword: Danger
• hcodes: H225
• pcodes: P210
• Hazard Classifications: Flam. Liq. 2
• Storage Class: 3 - Flammable liquids
• wgk: WGK 3
• flash_point_f: -20.0 °F
• flash_point_c: -28.9 °C
• ppe: Eyeshields, Faceshields, Gloves