497-23-4
Product Name:
2(5H)-Furanone
Formula:
C4H4O2
Synonyms:
γ-Crotonolactone;2-Buten-1,4-olide
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Liquid |
|---|---|
| Boiling Point | BP: 86-87 °C at 12 mm Hg |
| Melting Point | 4-5 °C |
| Flash Point | 101 °C (214 °F) (Closed cup) |
| Solubility | Soluble in water |
| Density | 1.185 mg/L at 25 °C |
| LogP | log Kow = -0.60 |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Refractive Index | Index of refraction: 1.469 at 20 °C/D |
| Kovats Retention Index | 876 871 863 862.8 |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P321:Specific treatment (see … on this label). P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 84.07 g/mol |
|---|---|
| XLogP3 | -0.6 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 84.021129366 g/mol |
| Monoisotopic Mass | 84.021129366 g/mol |
| Topological Polar Surface Area | 26.3 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 93.7 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
But-2-en-4-olide is a butenolide. It is a tautomer of a but-3-en-4-olide.

