Description

tert-Butyl Methyl Terephthalate is a high-purity organic intermediate of significant importance in advanced chemical synthesis. This compound serves as a critical building block for the production of specialty polymers, pharmaceuticals, and fine chemicals, offering precise molecular architecture for downstream reactions. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and performance materials sectors seeking reliable, high-quality raw materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring the tert-butyl ester and methyl ester functional groups.
• Polymer & Resin Synthesis: Serves as a monomer or co-monomer in the production of specialized polyesters and high-performance engineering plastics.
• Liquid Crystal & OLED Material Production: Used in the synthesis of organic electronic materials and liquid crystal compounds for display technologies.
• Agrochemical Synthesis: Intermediate in the manufacture of advanced herbicides, fungicides, and plant growth regulators.
• Organic Synthesis & Research: A versatile reagent in academic and industrial R&D laboratories for constructing complex organic molecules.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other specialty chemicals requiring a terephthalate backbone.

Basic Information

Product Name	tert-Butyl Methyl Terephthalate
CAS No.	104141-93-7
Molecular Formula	C13H16O4
Molecular Weight	236.26 g/mol
Synonyms	1,4-Benzenedicarboxylic acid, 1-(1,1-dimethylethyl) 4-methyl ester; Methyl 4-(tert-butoxycarbonyl)benzoate; 4-(tert-Butoxycarbonyl)benzoic acid methyl ester; Terephthalic acid, mono-tert-butyl ester mono-methyl ester; TBMT; tert-Butyl methyl benzene-1,4-dicarboxylate
EINECS	Contact for details

Quality Control

Our tert-Butyl Methyl Terephthalate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency suitable for demanding synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every 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	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details
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.