Description

(4-Methoxyphenyl)Methyl Isobutyrate CAS NO 71172-26-4 is a specialized aromatic ester compound valued for its role as a versatile chemical intermediate and fragrance ingredient. Its molecular structure, featuring a methoxyphenyl group, makes it a key building block for synthesizing more complex molecules in fine chemical and pharmaceutical manufacturing. This product is essential for R&D chemists and production specialists in the fragrance, agrochemical, and pharmaceutical industries seeking reliable, high-purity intermediates.

Application

• Fragrance and Flavor Intermediate: Serves as a precursor or a direct component in the synthesis of sophisticated aromatic compounds for perfumery and flavorings.
• Pharmaceutical Synthesis: Used as a key building block in the research and development of active pharmaceutical ingredients (APIs), particularly those requiring substituted phenyl motifs.
• Agrochemical Manufacturing: Acts as an intermediate in the production of certain pesticides and herbicides, leveraging its aromatic backbone.
• Organic Synthesis & Research: A valuable reagent for academic and industrial laboratories exploring new chemical entities, coupling reactions, and ester chemistry.
• Polymer Additives: Can be utilized in the modification of polymers or as a precursor for specialty plasticizers and stabilizers.

Basic Information

Product Name	(4-Methoxyphenyl)Methyl Isobutyrate
CAS No.	71172-26-4
Molecular Formula	C13H18O3
Molecular Weight	222.28 g/mol
Synonyms	p-Methoxybenzyl Isobutyrate; 4-Methoxybenzyl Isobutyrate; (4-Methoxybenzyl) 2-Methylpropanoate; Isobutyric Acid 4-Methoxybenzyl Ester; p-Methoxybenzyl 2-Methylpropanoate; Anisyl Isobutyrate; 4-Methoxybenzyl Isobutanoate
EINECS	Contact for details

Quality Control

Our (4-Methoxyphenyl)Methyl Isobutyrate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Standard quality parameters include assay by GC/HPLC, identity confirmation (IR, NMR), and control of key impurities. Certificates of Analysis (COA) documenting full specifications are available upon request to support your quality assurance protocols.

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, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.495 - 1.505
Specific Gravity (20°C)	1.040 - 1.060

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