This site requires that javascript be enabled. Please configure your browser in the tools or configuration section.
2(5H)-Furanone, 98% - CAS 497-23-4 - Formula C4H4O2


Certificate of Analysis

2(5H)-Furanone, 98%

CAS: 497-23-4 MDL: MFCD00005376  EINECS: 207-839-3
Not regulated for shipping
Alternate Name: 2-Buten-1,4-olide


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
Please login or select country.

Chemical Properties

Formula: C4H4O2  Flash point: 101°(213°F)
Formula weight: 84.07  Density: 1.197
Melting point: 3-4° Refractive Index: 1.4690
Boiling point: 212-214° 

Literature References

Reaction with lithiated o-methylbenzophenone derivatives gives fused tricyclic products which are readily converted to arylnaphthofuranone lignans: J. Chem. Soc., Perkin 1, 3013 (1995):

Other References

Beilstein: 383585
Harmonized Tariff Code:   2932.20

GHS Hazard and Precautionary Statements

Hazard Statements : H315-H319

Causes skin irritation. Causes serious eye irritation.

Precautionary Statements : P280-P305+P351+P338-P362-P321-P332+P313-P337+P313

Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Take off contaminated clothing and wash before reuse. Specific treatment (see label). If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Get medical advice/attention.

Harmful or Irritant

Risk & Safety

Risk Phrases: 36/38
Irritating to eyes and skin.
Safety Phrases: 26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves.
RTECS: LU3453000