Description

2,4-Pentanedione, 3-Methylene- (7Ci,8Ci,9Ci) is a specialized diketone derivative with a reactive methylene group, serving as a versatile chemical intermediate. Its unique structure makes it valuable for synthesizing complex heterocyclic compounds and functional materials. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors seeking to build novel molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing pyrazole or isoxazole rings.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Coordination Chemistry: Acts as a precursor for β-diketone ligands used in metal-organic frameworks (MOFs) and catalysts.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers and resins.
• Organic Synthesis: A versatile reagent for Claisen condensations and the formation of carbon-carbon bonds in complex molecule assembly.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of organic colorants and photostabilizers.

Basic Information

Product Name	2,4-Pentanedione, 3-Methylene- (7Ci,8Ci,9Ci)
CAS No.	26187-43-9
Molecular Formula	C6H8O2
Molecular Weight	112.13 g/mol
Synonyms	3-Methylene-2,4-pentanedione; 3-Methylenepentane-2,4-dione; 2,4-Pentanedione, 3-methylene-; Acetylacetone, methylene-; Methyleneacetylacetone; 1,1-Diacetyl-1-propene; 1,1-Diacetylpropene; 1-Propene-1,1-diyldi(ethanone)
EINECS	Contact for details

Quality Control

Our production of 2,4-Pentanedione, 3-Methylene- adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee it meets your precise research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
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.