738271

3-Butynoic acid

95%

• 동의어(들): 2-Ethynylacetic acid
• 실험식(Hill 표기법): C₄H₄O₂
• CAS Number: 2345-51-9
• Molecular Weight: 84.07
• MDL number: MFCD02258494
• UNSPSC 코드: 12352100
• NACRES: NA.22

속성

• Quality Level: 100
• 분석: 95%
• 양식: powder
• mp: 70-80 °C
• SMILES string: OC(=O)CC#C
• InChI: 1S/C4H4O2/c1-2-3-4(5)6/h1H,3H2,(H,5,6)
• InChI key: KKAHGSQLSTUDAV-UHFFFAOYSA-N

설명

애플리케이션

Some of the applications of 3-butynoic acid are:

• Synthesis of functionalized γ-butyrolactones and tetrahydrofurans via Conia-ene cyclizations.
• Synthesis of allenoates for [2+2] cycloadditions with alkenes.
• Phosphine-catalyzed synthesis of highly functionalized coumarins.
• Synthesis of various useful organotin reagents via radical hydrostannation of 3-butynoic acid.

안전성 정보

• 픽토그램: GHS06,GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H301 + H311,H314
• 예방조치 성명서: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P361 + P364
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable