Description

Methyl 2,2-Dimethylacetoacetate is a versatile β-ketoester derivative, valued as a key synthetic building block in organic chemistry. Its structure, featuring a reactive methylene group flanked by carbonyl and ester functionalities, makes it an essential intermediate for constructing complex molecular frameworks. This compound is primarily utilized by the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of heterocyclic compounds, active pharmaceutical ingredients (APIs), and various drug candidates.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides, leveraging its reactivity to form pyrazole and other heterocyclic cores.
• Fine Chemical Production: Serves as a building block for dyes, pigments, flavors, and fragrances requiring specific alkylacetoacetate structures.
• Polymer Chemistry: Acts as a monomer or co-monomer in specialty polymer formulations and as a modifier in resin production.
• Chemical Research & Development: Employed in academic and industrial R&D for method development and the synthesis of novel organic compounds.
• Coordination Chemistry: Can function as a ligand or precursor for metal-organic complexes and catalysts.

Basic Information

Product Name	Methyl 2,2-Dimethylacetoacetate
CAS No.	38923-57-8
Molecular Formula	C7H12O3
Molecular Weight	144.17 g/mol
Synonyms	2,2-Dimethyl-3-oxobutanoic acid methyl ester; Methyl 3-oxo-2,2-dimethylbutyrate; 3-Oxo-2,2-dimethylbutyric acid methyl ester; 2,2-Dimethylacetoacetic acid methyl ester; Methyl dimethyacetoacetate; Methyl 2,2-dimethyl-3-oxobutyrate; Dimethyl methyl acetoacetate; MDMAA
EINECS	Contact for details

Quality Control

Our Methyl 2,2-Dimethylacetoacetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC/HPLC for purity and identity confirmation (IR, NMR), to ensure it meets precise specifications for industrial and research applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.420 - 1.430
Density (g/mL, 20°C)	1.010 - 1.030

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