Description

4-Methoxy-3-Methylbenzoic Acid is a versatile aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique substitution pattern makes it a valuable intermediate for creating complex molecules with specific electronic and steric properties. This compound is essential for research and development chemists and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a methoxy-methyl benzoate scaffold.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its aromatic core provides structural stability.
• Liquid Crystal & OLED Materials: Serves as a starting material for synthesizing advanced organic electronic materials and liquid crystal compounds.
• Dye & Pigment Manufacturing: Intermediate for producing specialized azo dyes and high-performance pigments.
• Polymer Modification: Used to introduce functional groups into polymer chains to alter physical properties like solubility and thermal stability.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex molecular architectures.

Basic Information

Product Name	4-Methoxy-3-Methylbenzoic Acid
CAS No.	6880-04-2
Molecular Formula	C9H10O3
Molecular Weight	166.17 g/mol
Synonyms	3-Methyl-4-methoxybenzoic acid; 4-Methoxy-m-toluic acid; 4-Methoxy-3-methylbenzoic acid; Benzoic acid, 4-methoxy-3-methyl-; 3-Methyl-p-anisic acid; 4-Methoxy-3-methyl-benzoic acid; 6880-04-2 (CAS)
EINECS	Contact for details

Quality Control

Our 4-Methoxy-3-Methylbenzoic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	145 - 150 °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.