Description

Perfiuoroisobutylene CAS NO 382-21-8 is a highly fluorinated, reactive gaseous alkene used as a critical building block in advanced fluorochemical synthesis. Its unique perfluorinated structure makes it a valuable intermediate for creating materials with exceptional chemical resistance, thermal stability, and low surface energy. This compound is essential for R&D and production in the pharmaceutical, agrochemical, and specialty polymer industries, where it is used to introduce perfluoroisobutyl groups into target molecules.

Application

• Pharmaceutical Intermediate: Key precursor for synthesizing novel active pharmaceutical ingredients (APIs) with enhanced metabolic stability and bioavailability.
• Agrochemical Synthesis: Used in the production of advanced herbicides and pesticides, leveraging the fluorine effect to improve efficacy and environmental profile.
• Fluoropolymer Modification: Serves as a monomer or co-monomer for creating specialty fluoropolymers and fluoroelastomers with superior performance characteristics.
• Surface Treatment Agents: Building block for manufacturing high-performance water, oil, and stain repellents for textiles and coatings.
• Electronic Chemicals: Intermediate in the synthesis of specialty gases and etching agents used in semiconductor manufacturing.
• Research & Development: A versatile reagent in organic and medicinal chemistry research for introducing fluorinated functionalities.

Basic Information

Product Name	Perfiuoroisobutylene
CAS No.	382-21-8
Molecular Formula	C4F8
Molecular Weight	200.03 g/mol
Synonyms	Perfluoroisobutylene; 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-1-propene; Octafluoroisobutylene; PFIB; Isobutene, octafluoro-; 2-(Trifluoromethyl)-1,1,3,3,3-pentafluoropropene; Perfluoro-2-methylpropene
EINECS	206-851-3

Quality Control

Our Perfiuoroisobutylene is manufactured under stringent process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques including Gas Chromatography (GC) and FTIR spectroscopy. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed, appropriately rated cylinder or pressure vessel, protected from light and stored in a cool, well-ventilated area. Due to its gaseous and reactive nature, cylinders should be kept upright and secured. Store away from heat, ignition sources, and incompatible materials. Use and handle in accordance with all relevant safety data sheet (SDS) instructions and local regulations.

Specification

Item	Specification
Appearance	Colorless Gas
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Purity (GC Area %)	≥ 99.0%
Major Impurities (GC)	Per customer requirement
Moisture (KF)	≤ 50 ppm
Non-condensable Gases	≤ 0.5%

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