Description

4-tert-Butyl-3-Methoxybenzoic Acid is a versatile benzoic acid derivative characterized by its tert-butyl and methoxy substituents, which impart unique steric and electronic properties. This compound serves as a valuable high-purity synthetic intermediate in advanced chemical synthesis, where precise molecular architecture is critical. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a sterically hindered benzoic acid moiety.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its substitution pattern influences bioactivity.
• Liquid Crystal & OLED Materials: Serves as a precursor for mesogens and electron-transport materials in display and lighting technologies.
• Polymer Modification: Employed to introduce functional groups into polymer chains, enhancing properties like solubility, thermal stability, or adhesion.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex organic molecules and exploring new reaction pathways.
• Coordination Chemistry: Acts as a ligand or precursor for ligands in metal-organic frameworks (MOFs) and catalysts.

Basic Information

Product Name	4-tert-Butyl-3-Methoxybenzoic Acid
CAS No.	79822-46-1
Molecular Formula	C12H16O3
Molecular Weight	208.25 g/mol
Synonyms	3-Methoxy-4-tert-butylbenzoic Acid; 4-(1,1-Dimethylethyl)-3-methoxybenzoic Acid; Benzoic acid, 4-(1,1-dimethylethyl)-3-methoxy-; 4-tert-Butyl-m-anisic Acid; 3-Methoxy-4-(tert-butyl)benzoic Acid; 4-tert-Butyl-3-methoxy-benzoic Acid; 4-tert-Butyl-3-methoxybenzoicacid
EINECS	Contact for details

Quality Control

Our 4-tert-Butyl-3-Methoxybenzoic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical specifications. Our quality commitment supports applications requiring high-purity intermediates under cGMP or ISO 9001 frameworks where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, 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	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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