α-Methylene-γ-butyrolactone

• Catalog No.: 66735
• CAS Number: 547-65-9
• M. F.: C5H6O2
• M. W.: 98.09994
• Purity: ≥97.0% (GC)

SYNONYMS

• Title: α-亚甲基-γ-丁内酯
• IUPAC name: 3-methylideneoxolan-2-one
• IUPAC Traditional name: tulipalin A
• Synonyms: 2-甲烯基丁内酯; 3-Methylenedihydro-2(3H)-furanone; alpha-Methylene-gamma-butyrolactone; Tulipane

DATABASE IDS

• CAS Number: 547-65-9
• Beilstein Number: 107939
• MDL Number: MFCD00005407
• PubChem SID: 24884906

PROPERTIES

• Contains: ~1% 2,6-di-tert-butyl-4-methylphenol as stabilizer
• Empirical Formula (Hill Notation): C5H6O2
• Grade: purum
• Purity: ≥97.0% (GC)
• Boiling Point: 86-88 °C/12 mmHg(lit.)
• Density: 1.119 g/mL at 25 °C(lit.)
• Flash Point: 37 °C
• Flash Point: 98.6 °F
• Refractive Index: n20/D 1.472(lit.)
• Refractive Index: n20/D 1.472
• GHS Signal Word: Warning
• GHS Hazard statements: H226-H317
• European Hazard Symbols: Harmful (Xn)
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• GHS Precautionary statements: P280
• Risk Statements: 10-42/43
• Safety Statements: 23-36/37-45
• Storage Temperature: 2-8°C
• German water hazard class: 3

DETAILS

Description (English)

Application
Very reactive Michael-acceptor; the α-methylene-γ-butyrolactone ring system exists in many natural products of biological interest

Description (简体中文)

Application
强反应性 Michael 受体；α-亚甲基-γ-丁内酯环系存在于许多具有生物学意义的天然产物中