Description

Propanoic Acid, 2-Methyl-, 1,1-Dimethylpropyl Ester is a specialized ester derivative of 2-methylpropanoic acid, valued for its role as a versatile chemical intermediate and solvent. This compound is particularly significant for its ability to introduce the bulky tert-pentyl (1,1-dimethylpropyl) group into target molecules, which can modify physical properties and reactivity. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and fragrance industries for synthesis and formulation work.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) where the tert-pentyl ester group acts as a protecting group or is incorporated into the final drug structure.
• Agrochemical Synthesis: Serves as a key building block in the production of advanced pesticides and herbicides, leveraging its specific steric profile.
• Flavor and Fragrance Ingredient: Employed as a precursor for esters that contribute fruity or floral notes in high-value aroma chemical production.
• Specialty Solvent: Functions as a solvent for resins, polymers, and other organic compounds in research and niche manufacturing processes.
• Organic Synthesis Reagent: Utilized in academic and industrial laboratories for esterification reactions and the preparation of complex organic molecules.
• Polymer Modification: Acts as a monomer or modifier in the synthesis of specialty polymers with tailored properties.

Basic Information

Product Name	Propanoic Acid, 2-Methyl-, 1,1-Dimethylpropyl Ester
CAS No.	194784-93-5
Molecular Formula	C9H18O2
Molecular Weight	158.24 g/mol
Synonyms	2-Methylpropanoic acid 1,1-dimethylpropyl ester; Isobutyric acid tert-pentyl ester; tert-Pentyl isobutyrate; 1,1-Dimethylpropyl 2-methylpropanoate; 2,2-Dimethylbutyl isobutyrate (related isomer); Neopentyl isobutyrate (common misnomer); tert-Amyl isobutyrate
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 2-Methyl-, 1,1-Dimethylpropyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request, supporting compliance in regulated applications.

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 heat, sparks, and open flame. This material may be moisture-sensitive; ensure containers are kept tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.405 - 1.415
Density (20°C)	0.86 - 0.88 g/mL

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