Description

3,5-Di-tert-Butylbenzoic Acid Methyl Ester is a high-purity, sterically hindered aromatic ester valued for its role as a versatile chemical intermediate and building block in advanced organic synthesis. Its molecular structure, featuring bulky tert-butyl groups, imparts unique steric and electronic properties that are critical for developing specialized polymers, stabilizers, and fine chemicals. This compound is essential for R&D and production chemists in the polymer additives, pharmaceutical, and agrochemical sectors seeking to modify material properties or create novel molecular architectures.

Application

• Polymer Additives: Serves as a key precursor in the synthesis of high-performance light stabilizers (HALS) and antioxidants for plastics and coatings, enhancing durability against UV degradation and thermal oxidation.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs), where its hindered benzoate structure can be leveraged to fine-tune drug molecule properties.
• Agrochemical Synthesis: Acts as a building block for creating advanced crop protection agents and herbicides, contributing to molecular stability and efficacy.
• Fine Chemical Production: Employed in organic synthesis for constructing complex molecules, including ligands for catalysts and specialty chemicals for electronics.
• Material Science Research: Utilized in developing novel polymeric materials and organic semiconductors where controlled steric hindrance is required.

Basic Information

Product Name	3,5-Di-tert-Butylbenzoic Acid Methyl Ester
CAS No.	64277-87-8
Molecular Formula	C16H24O2
Molecular Weight	248.36 g/mol
Synonyms	Methyl 3,5-Di-tert-butylbenzoate; Benzoic acid, 3,5-bis(1,1-dimethylethyl)-, methyl ester; 3,5-Bis(tert-butyl)benzoic acid methyl ester; Methyl 3,5-bis(tert-butyl)benzoate; DTBBM; 3,5-DTBB Methyl Ester
EINECS	Contact for details

Quality Control

Our 3,5-Di-tert-Butylbenzoic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (IR, NMR), to ensure high purity and consistent composition. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your project requirements.

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 heat, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	73 - 77 °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.