Description

tert-Butyl 3-Methoxybenzoate is a high-purity organic ester compound, serving as a versatile and valuable chemical intermediate. Its primary value lies in its role as a protected carboxylic acid derivative, enabling precise synthetic transformations in complex organic synthesis. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and advanced material sectors who require reliable building blocks for creating active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a protected benzoic acid moiety.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where the tert-butyl ester group offers specific reactivity advantages.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing advanced organic electronic materials and liquid crystal compounds.
• Fragrance & Flavor Intermediate: Employed in the controlled synthesis of complex aromatic esters used in specialty fragrance and flavor formulations.
• Polymer Modification Agent: Acts as a monomer or modifier in the production of specialty polymers and resins to impart specific chemical properties.
• Organic Synthesis Reagent: A versatile reagent in academic and industrial laboratories for introducing the 3-methoxybenzoate group under mild conditions.

Basic Information

Product Name	tert-Butyl 3-Methoxybenzoate
CAS No.	58656-97-6
Molecular Formula	C12H16O3
Molecular Weight	208.25 g/mol
Synonyms	3-Methoxybenzoic Acid tert-Butyl Ester; Benzoic Acid, 3-Methoxy-, 1,1-Dimethylethyl Ester; tert-Butyl m-Methoxybenzoate; 1,1-Dimethylethyl 3-Methoxybenzoate; m-Methoxybenzoic Acid tert-Butyl Ester; 3-Methoxybenzoic Acid 1,1-Dimethylethyl Ester; t-Butyl 3-Methoxybenzoate
EINECS	Contact for details

Quality Control

Our tert-Butyl 3-Methoxybenzoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting purity, assay, and impurity profiles to support your quality and regulatory 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 strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Specific Gravity (20°C)	1.04 - 1.08

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