303666

2-Butynoic acid

98%

• 동의어(들): Tetrolic acid
• Linear Formula: CH₃C≡CCO₂H
• CAS Number: 590-93-2
• Molecular Weight: 84.07
• EC Number: 209-695-7
• MDL number: MFCD00004363
• UNSPSC 코드: 12352100
• PubChem Substance ID: 24858137
• NACRES: NA.22

속성

• Quality Level: 100
• 분석: 98%
• 양식: solid
• mp: 78-80 °C (lit.)
• 작용기: carboxylic acid
• SMILES string: CC#CC(O)=O
• InChI: 1S/C4H4O2/c1-2-3-4(5)6/h1H3,(H,5,6)
• InChI key: LUEHNHVFDCZTGL-UHFFFAOYSA-N

설명

일반 설명

The rotational spectrum of 2-butynoic acid was measured by pulsed supersonic-jet Fourier transform microwave spectroscopy.[1]

애플리케이션

2-Butynoic acid was employed as synthon in a variety of reactions, including cycloacylation of phenols to flavones and chromones,[2] and cyclization to γ-butyrolactones.[3] It was also used in synthesis of Z-trisubstituted olefins via γ-alkylation.[4]

안전성 정보

• 픽토그램: GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H314
• 예방조치 성명서: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 3
• 개인 보호 장비: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges