Description

3,5-Di-tert-Butylbenzoic Acid is a sterically hindered aromatic carboxylic acid derivative, valued for its role as a versatile intermediate and performance additive. Its molecular structure, featuring bulky tert-butyl groups adjacent to the carboxyl function, imparts unique chemical stability and influences reactivity, making it a critical building block in advanced syntheses. This compound is essential for manufacturers in the polymer, agrochemical, and specialty chemical industries seeking to develop high-performance materials and active ingredients.

Application

• Polymer Additives: Serves as a key precursor in the synthesis of high-performance light stabilizers (HALS) and antioxidants for plastics, coatings, and synthetic fibers to prevent degradation from UV exposure and thermal oxidation.
• Agrochemical Intermediates: Used in the manufacture of certain herbicides and plant growth regulators, where its bulky structure can enhance biological activity and environmental stability.
• Pharmaceutical Synthesis: Acts as a sterically hindered building block in the research and development of novel active pharmaceutical ingredients (APIs), particularly where controlled solubility or metabolic stability is desired.
• Ligand and Catalyst Design: Employed in organometallic chemistry to create specialized ligands for catalysts used in asymmetric synthesis and polymerization processes.
• Specialty Chemicals: Functions as an intermediate for dyes, pigments, and other fine chemicals requiring modified benzoic acid frameworks.

Basic Information

Product Name	3,5-Di-tert-Butylbenzoic Acid
CAS No.	16225-26-6
Molecular Formula	C15H22O2
Molecular Weight	234.33 g/mol
Synonyms	3,5-Bis(1,1-dimethylethyl)benzoic Acid; 3,5-Di-tert-butylbenzoic Acid; Benzoic acid, 3,5-bis(1,1-dimethylethyl)-; DTBA; 3,5-DTBA; 3,5-Di-t-butylbenzoic Acid
EINECS	240-328-1

Quality Control

Our 3,5-Di-tert-Butylbenzoic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing specific results for purity, melting point, and impurity profiles is provided with every shipment.

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 oxidizers, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	164 - 168 °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.