Description

Butanoic Acid CAS NO 3639-20-1 is a short-chain carboxylic acid valued for its role as a versatile chemical intermediate and flavoring agent. Its importance lies in its ability to serve as a key building block for synthesizing esters, plasticizers, and other derivatives used across multiple industries. This product is essential for manufacturers in the food & flavor, pharmaceutical, chemical synthesis, and agricultural sectors seeking a reliable source of high-purity butanoic acid.

Application

• Flavor and Fragrance Industry: Used as a flavoring agent and as a precursor for manufacturing esters like ethyl butyrate, which impart fruity notes to food products and beverages.
• Chemical Synthesis: Serves as a fundamental intermediate for producing plasticizers, cellulose acetate butyrate (CAB) plastics, and various other organic compounds.
• Animal Feed Additive: Employed as an additive to promote gut health and inhibit the growth of harmful bacteria in livestock nutrition.
• Pharmaceutical Intermediates: Utilized in the synthesis of active pharmaceutical ingredients (APIs) and other medicinal compounds.
• Industrial Solvents: Functions as a solvent or co-solvent in specific extraction and formulation processes.
• Perfumery: Acts as a component in fragrance compositions for soaps, detergents, and cosmetics.

Basic Information

Product Name	Butanoic Acid
CAS No.	3639-20-1
Molecular Formula	C4H8O2
Molecular Weight	88.11 g/mol
Synonyms	Butyric Acid; n-Butyric Acid; Propylformic Acid; Ethylacetic Acid; 1-Propanecarboxylic Acid; Butanic Acid; Butanoic Acid; Buttersäure (German); Acide Butyrique (French)
EINECS	222-861-1

Quality Control

Our Butanoic Acid is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for every shipment, detailing key parameters such as assay, identity, and impurity profiles. The product can be manufactured to meet various industry standards, including Food Chemical Codex (FCC) and Kosher requirements, upon request.

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 clearly labeled and handling procedures are followed.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Refractive Index (20°C)	1.3970 - 1.3990
Density (20°C)	0.957 - 0.961 g/mL
Water Content (KF)	≤ 0.1%
Residue on Ignition	≤ 0.01%

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