Description

Dimethyl 4,5-Dimethylphthalate is a high-purity diester derivative of phthalic acid, specifically engineered for advanced chemical synthesis and material science applications. This compound serves as a critical intermediate and functional additive, valued for its consistent molecular structure and performance in demanding industrial processes. It is primarily utilized by manufacturers in the polymer, specialty chemical, and pharmaceutical sectors seeking reliable, high-quality raw materials for product development and research.

Application

• As a key plasticizer intermediate in the production of specialty polymers and resins, enhancing material flexibility and durability.
• As a precursor or building block in the synthesis of complex organic molecules for pharmaceuticals and agrochemicals.
• As a solvent or co-solvent in high-performance coatings, inks, and adhesive formulations.
• As a research chemical in academic and industrial laboratories for material science and organic chemistry studies.
• As a potential additive or modifier in lubricant and functional fluid formulations.
• In the development of specialty esters for fragrance and flavor compound synthesis.

Basic Information

Product Name	Dimethyl 4,5-Dimethylphthalate
CAS No.	17649-59-1
Molecular Formula	C₁₂H₁₄O₄
Molecular Weight	222.24 g/mol
Synonyms	1,2-Benzenedicarboxylic acid, 4,5-dimethyl-, dimethyl ester; 4,5-Dimethylphthalic acid dimethyl ester; Dimethyl 4,5-dimethyl-1,2-benzenedicarboxylate; 4,5-Dimethylphthalic Acid Dimethyl Ester; DMDMP; Phthalic acid, 4,5-dimethyl-, dimethyl ester
EINECS	Contact for details

Quality Control

Our Dimethyl 4,5-Dimethylphthalate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including GC and HPLC, to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all quality parameters is provided with each shipment and is 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 controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content	≤ 0.5%
Specific Gravity (20°C)	1.10 - 1.15
Refractive Index (20°C)	1.510 - 1.520

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