Description

1H,4H-Octafluorobutane CAS NO 377-36-6 is a fully fluorinated alkane derivative, characterized by its gaseous state under standard conditions. This high-purity fluorocarbon is valued for its chemical inertness, thermal stability, and excellent dielectric properties, making it a critical component in advanced manufacturing and research. It is essential for industries requiring precise and reliable specialty gases, including electronics manufacturing, pharmaceutical research, and aerospace engineering.

Application

• Electronics Manufacturing: Used as a precision etchant and cleaning agent in semiconductor fabrication and plasma etching processes.
• Pharmaceutical & Chemical Synthesis: Serves as a versatile fluorinating agent and an intermediate in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Aerospace & Refrigeration: Functions as a stable heat transfer fluid and a component in specialty refrigerant blends for demanding thermal management systems.
• Analytical Standards: Employed as a calibration standard and reference material in gas chromatography (GC) and mass spectrometry (MS) for accurate environmental and industrial analysis.
• Fire Suppression: A key ingredient in advanced, clean-agent fire extinguishing systems where non-corrosiveness and electrical non-conductivity are paramount.
• Polymer Industry: Acts as a monomer or a modifier in the production of high-performance fluoropolymers with enhanced chemical and thermal resistance.

Basic Information

Item	Details
Product Name	1H,4H-Octafluorobutane
CAS No.	377-36-6
Molecular Formula	C4H2F8
Molecular Weight	202.04 g/mol
Synonyms	Octafluorobutane; Perfluorobutane; FC-338; R-338; 1,1,1,2,2,3,3,4,4-Nonafluorobutane (common misnomer); FC-338 (pfc); F-C 338; HFC-338pcc; C4F8; Tetrafluorocarbon polymer etchant gas
EINECS	206-786-3

Quality Control

Our 1H,4H-Octafluorobutane is manufactured under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including gas chromatography (GC) and FTIR spectroscopy, to ensure high purity and consistency. We provide traceable Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most critical applications.

Storage

Preserve in a tightly closed, approved pressure cylinder in a cool, well-ventilated area. Protect from physical damage, direct sunlight, and heat sources. Store away from incompatible materials such as strong alkali metals. Cylinder temperature should not exceed 50°C (122°F).

Specification

Item	Specification
Appearance	Colorless Gas
Identification (IR)	Conforms
Assay (GC)	≥ 99.5%
Moisture (KF)	≤ 10 ppm
Acidity (as HF)	≤ 1 ppm
Non-condensable Gases	≤ 0.1%
High Boiling Residue	≤ 10 ppm

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