Synonym(s): y-Crotonolactone; 2-Buten-1,4-olide
Formula: C4H4O2
Formula Weight: 84.07
CAS No.: 497-23-4
Purity: 98%
Density: 1.185g/mLat 25°C(lit.)
Application: A versatile reagent used in Michael addition reactions for synthesis of lignans. Also employed in three-component Michael-Aldol reactions with an aldehyde anda thiolate or carbanion.
Storage: 2-8°C
Packaging: 1, 5 g in glass bottle
Beilstein Registry Number: 383585
EC No.: 207-839-3
Boiling Point: 86-87°C/12mmHg(lit.)
Melting Point: 4-5°C(lit.)
Refractive Index: n20/D 1.469(lit.)
Empirical Formula (Hill Notation): C4H10N2Si