Description

Methyl Heptafluorobutyrate CAS NO 356-24-1 is a high-purity fluorinated ester, a key intermediate in advanced chemical synthesis. Its value lies in its unique combination of high volatility and chemical stability, making it an essential building block for performance materials. This compound is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring precise fluorination.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs) containing perfluoroalkyl groups.
• Agrochemical Synthesis: Used in the production of advanced herbicides and pesticides where fluorinated compounds enhance biological activity and stability.
• Fluorinated Surfactant & Polymer Production: Serves as a key monomer or intermediate for creating high-performance, oil- and water-repellent coatings and materials.
• Electrolyte Additive for Lithium-ion Batteries: Employed in the formulation of advanced electrolytes to improve battery performance and safety.
• Analytical Chemistry & Derivatization Agent: Used in GC-MS and other analytical techniques for the detection and quantification of specific compounds.
• Specialty Solvent: Acts as a solvent for specialized reactions and cleaning processes in electronics and precision manufacturing.

Basic Information

Product Name	Methyl Heptafluorobutyrate
CAS No.	356-24-1
Molecular Formula	C5H3F7O2
Molecular Weight	228.07 g/mol
Synonyms	Methyl Perfluorobutyrate; Methyl 2,2,3,3,4,4,4-Heptafluorobutanoate; Heptafluorobutyric Acid Methyl Ester; Methyl 4,4,5,5,6,6,6-Heptafluoro-3-oxahexanoate; MFB; Perfluorobutyric Acid Methyl Ester; Methyl HFB; 2,2,3,3,4,4,4-Heptafluorobutanoic Acid Methyl Ester
EINECS	206-608-5

Quality Control

Our Methyl Heptafluorobutyrate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC and NMR, to ensure high purity and consistency suitable for demanding synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is between 2°C and 25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	1.50 - 1.55 g/mL
Refractive Index (n20/D)	1.300 - 1.310

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