Description

Dimethyl 4-Methylphthalate is a high-purity organic ester compound, identified by CAS number 20116-65-8. It serves as a versatile and valuable chemical intermediate, prized for its reactivity and consistent quality in synthesis. This product is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable raw materials for advanced production processes.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Plasticizer Precursor: Acts as a monomer or intermediate in the manufacture of specialty polymers, resins, and plasticizers.
• Dye & Pigment Manufacturing: Employed in the synthesis of complex organic dyes, pigments, and colorants.
• Flavor & Fragrance Industry: Serves as a starting material for the production of certain aromatic compounds.
• Organic Synthesis & Research: A valuable reagent in academic and industrial research laboratories for developing new chemical entities.

Basic Information

Product Name	Dimethyl 4-Methylphthalate
CAS No.	20116-65-8
Molecular Formula	C11H12O4
Molecular Weight	208.21 g/mol
Synonyms	4-Methylphthalic Acid Dimethyl Ester; Dimethyl 4-Methyl-1,2-benzenedicarboxylate; 1,2-Benzenedicarboxylic Acid, 4-Methyl-, Dimethyl Ester; 4-Methylphthalic Acid Dimethyl Ester; Methyl 4-Methylphthalate; Phthalic Acid, 4-Methyl-, Dimethyl Ester
EINECS	243-558-5

Quality Control

Our Dimethyl 4-Methylphthalate is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets exacting purity and consistency standards. A Certificate of Analysis (COA) detailing specific results for identity, assay, and impurity profiles is provided with each 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 area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Individual impurity ≤ 1.0%

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