Description

2-Methylpropanoic Acid CAS NO 1356089-38-7 is a versatile short-chain carboxylic acid, also known as isobutyric acid, valued for its role as a key chemical intermediate and solvent in industrial synthesis. Its strong acid properties and organic solvent nature make it a critical reagent for modifying chemical structures and facilitating reactions. This product is essential for manufacturers in the pharmaceutical, agrochemical, and flavor & fragrance industries seeking reliable, high-purity raw materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Agrochemical Synthesis: Serves as a building block for herbicides, fungicides, and plant growth regulators.
• Flavor and Fragrance Agent: Employed as a precursor for esters that impart fruity and buttery notes in food and perfumery.
• Polymer and Resin Production: Acts as a modifier or cross-linking agent in specialty polymers and coatings.
• Organic Solvent: Utilized in various extraction and purification processes in chemical manufacturing.
• Chemical Research & Development: A valuable reagent for organic synthesis and process development in R&D laboratories.

Basic Information

Product Name	2-Methylpropanoic Acid
CAS No.	1356089-38-7
Molecular Formula	C4H8O2
Molecular Weight	88.11 g/mol
Synonyms	Isobutyric Acid; 2-Methylpropionic Acid; Dimethylacetic Acid; Isobutanoic Acid; Isopropylformic Acid; Propanoic acid, 2-methyl-; Isobuttersäure (German); Acide isobutyrique (French)
EINECS	Contact for details

Quality Control

Our 2-Methylpropanoic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for industrial and fine chemical applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Due to its nature as a strong acid/organic solvent, ensure containers are kept upright to prevent leakage.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.393 - 1.397
Density (20°C)	0.945 - 0.955 g/mL

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