E46607

Ethyl propiolate

99%

• Synonym(s): Ethyl acetylenecarboxylate
• Linear Formula: HC≡CCO₂C₂H₅
• CAS Number: 623-47-2
• Molecular Weight: 98.10
• Beilstein: 878250
• EC Number: 210-795-8
• MDL number: MFCD00009184
• UNSPSC Code: 12352100
• PubChem Substance ID: 24894572
• NACRES: NA.22

Properties

• Assay: 99%
• form: liquid
• refractive index: n20/D 1.412 (lit.)
• bp: 120 °C (lit.)
• density: 0.968 g/mL at 25 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: CCOC(=O)C#C
• InChI: 1S/C5H6O2/c1-3-5(6)7-4-2/h1H,4H2,2H3
• InChI key: FMVJYQGSRWVMQV-UHFFFAOYSA-N

Description

Application

Halogenated derivatives were used as substrates for direct, asymmetric alkynylation of cyclic ß-ketoesters using chiral phase-transfer catalysts. Also employed in a one-pot , four-component synthesis of benzene-1,2,3,5-tetracarboxylates promoted by Ph₃P.

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Warning
• Hazard Statements: H226,H315,H319,H335
• Precautionary Statements: P210 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 77.0 °F - closed cup
• Flash Point(C): 25 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves