Description

1-(4-Methylphenyl)-1,3-Butanedione is a high-purity diketone derivative, also known as 4-Methylbenzoylacetone, with the CAS number 4023-29-4. This compound serves as a versatile and critical chemical intermediate and chelating agent in advanced synthesis. It is primarily required by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the production of complex molecules and metal complexes.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for heterocyclic compounds.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides as a precursor for bioactive molecules.
• Metal Chelation & Extraction: Acts as an effective ligand for complexing transition metals like copper, nickel, and iron in analytical and separation processes.
• Organic Synthesis: Employed in Claisen condensations and other reactions to construct complex carbon skeletons in fine chemicals.
• Coordination Chemistry: Used in academic and industrial research to develop novel catalysts and metal-organic frameworks (MOFs).
• Dye & Pigment Manufacturing: Serves as an intermediate in the synthesis of certain organic colorants and photostabilizers.

Basic Information

Product Name	1-(4-Methylphenyl)-1,3-Butanedione
CAS No.	4023-29-4
Molecular Formula	C11H12O2
Molecular Weight	176.21 g/mol
Synonyms	4-Methylbenzoylacetone; 4-Methylphenyl-1,3-butanedione; p-Tolyl-1,3-butanedione; 1-(p-Tolyl)-1,3-butanedione; 4-Methylbenzoylmethane; 1,3-Butanedione, 1-(4-methylphenyl)-; 4'-Methyl-2,4-pentanedione; EINECS 254-729-5
EINECS	254-729-5

Quality Control

Our 1-(4-Methylphenyl)-1,3-Butanedione is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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 heat, sparks, and open flame. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	60 - 64 °C
Loss on Drying	≤ 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.