Description

1H,1H,8H,8H-Octafluoro-3,6-Dioxaoctane-1,8-Diol is a high-purity fluorinated diol building block, a key intermediate in advanced material synthesis. Its unique structure, featuring a polyether backbone flanked by perfluorinated segments terminated with hydroxyl groups, provides exceptional chemical resistance and surface-modifying properties. This compound is essential for manufacturers in the specialty polymer, electronics, and high-performance coatings industries seeking to incorporate fluorinated characteristics into their products. CAS No. 129301-42-4.

Application

• Fluorinated Polymer Synthesis: A critical monomer for producing high-performance fluorinated polyurethanes, polyesters, and epoxy resins with enhanced chemical, thermal, and weathering resistance.
• Surface Modifiers & Additives: Used to create surface-active agents and additives that impart oil, water, and stain repellency to textiles, leather, and paper.
• Electronic Materials: Serves as a precursor for dielectric materials, photoresists, and other electronic chemicals where low dielectric constant and high stability are required.
• Specialty Coatings & Adhesives: Incorporated into formulations for high-durability coatings, sealants, and adhesives that must perform in harsh chemical or outdoor environments.
• Pharmaceutical & Agrochemical Intermediates: Acts as a versatile building block for synthesizing novel fluorinated active ingredients and prodrugs.
• Liquid Crystal & OLED Materials: Utilized in the development of fluorinated components for display and lighting technologies to improve performance and longevity.

Basic Information

Product Name	1H,1H,8H,8H-Octafluoro-3,6-Dioxaoctane-1,8-Diol
CAS No.	129301-42-4
Molecular Formula	C8H8F8O4
Molecular Weight	320.14 g/mol
Synonyms	Octafluoro-3,6-dioxaoctane-1,8-diol; 1,8-Dihydroxyoctafluoro-3,6-dioxaoctane; 3,6-Dioxaoctane-1,8-diol, 1H,1H,8H,8H-octafluoro-; Perfluoro(3,6-dioxaoctanediol); F-Diol (FD); Fluorinated PEG Diol; HFIP Dimer Diol (informal); Bis(2,2,2-trifluoroethoxy)methanediol (derivative-based name)
EINECS	Contact for details

Quality Control

Our 1H,1H,8H,8H-Octafluoro-3,6-Dioxaoctane-1,8-Diol is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and Karl Fischer titration, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our production adheres to cGMP principles where applicable, ensuring reliability for sensitive applications in pharmaceuticals and electronics.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive) and should be stored in a cool, dry place, ideally at 15-25°C, under an inert atmosphere such as nitrogen or argon for long-term storage to prevent moisture uptake and potential degradation. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5% w/w
Melting Point	Contact for details
Heavy Metals (as Pb)	≤ 10 ppm

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