Description

β-Angelica Lactone (CAS NO 591-11-7) is a versatile lactone compound that serves as a key intermediate and building block in organic synthesis. Its reactive lactone ring makes it valuable for constructing more complex molecular architectures, particularly in the pharmaceutical and fine chemical sectors. This product is essential for R&D chemists and production units seeking a reliable, high-purity starting material for synthesizing active pharmaceutical ingredients (APIs), agrochemicals, and specialty polymers.

Application

• Synthesis of pharmaceutical intermediates and active pharmaceutical ingredients (APIs).
• Production of agrochemicals, including herbicides and plant growth regulators.
• Manufacturing of specialty polymers and resins as a monomer or cross-linking agent.
• Used as a flavor and fragrance intermediate due to its lactone structure.
• Organic synthesis reagent for constructing heterocyclic compounds.
• Research and development in academic and industrial laboratories.

Basic Information

Product Name	β-Angelica Lactone
CAS No.	591-11-7
Molecular Formula	C5H6O2
Molecular Weight	98.10 g/mol
Synonyms	5-Methyl-2(3H)-furanone; 3-Methyl-2-buten-4-olide; 4-Hydroxy-3-methyl-2-butenoic acid lactone; 3-Methylbut-2-en-4-olide; Angelica lactone; β-Angelica lactone; 3-Methyl-2-buten-4-olide; 5-Methylfuran-2(3H)-one
EINECS	209-707-1

Quality Control

Our β-Angelica Lactone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets the highest standards of purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, it is recommended to keep it under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.