γ-Methylene-γ-butyrolactone

• Catalog No.: 66737
• CAS Number: 10008-73-8
• M. F.: C5H6O2
• M. W.: 98.09994
• Purity: ≥95.0% (GC)

SYNONYMS

• Title: γ-亚甲基-γ-丁内酯
• IUPAC name: 5-methylideneoxolan-2-one
• IUPAC Traditional name: α'-angelica lactone
• Synonyms: 5-甲基-2(3H)-呋喃酮; 5-Methylenedihydro-2(3H)-furanone; α′-Angelicalactone; α′-当归内酯

DATABASE IDS

• MDL Number: MFCD00042762
• CAS Number: 10008-73-8
• Beilstein Number: 1560870

PROPERTIES

• Contains: ~0.5% 2,6-di-tert-butyl-4-methylphenol as stabilizer
• Empirical Formula (Hill Notation): C5H6O2
• Grade: purum
• Purity: ≥95.0% (GC)
• Boiling Point: 80 °C/17 mmHg(lit.)
• Density: 1.096 g/mL at 25 °C(lit.)
• Flash Point: 90 °C
• Flash Point: 194 °F
• Refractive Index: n20/D 1.466(lit.)
• Refractive Index: n20/D 1.467
• GHS Signal Word: Danger
• GHS Hazard statements: H317-H334
• 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: P261-P280-P342 + P311
• Risk Statements: 42/43
• Safety Statements: 23-36/37-45
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Synthesis of halo enol lactones1

Description (简体中文)

Other Notes
卤烯醇内酯的合成1