Description

Zonyl® FSO is a high-performance, nonionic fluorosurfactant based on a unique fluorinated polyether chemistry. This compound is engineered to deliver exceptional wetting and leveling properties, even at extremely low concentrations in challenging formulations. It is a critical additive for industries requiring superior surface modification and compatibility in aqueous and solvent-based systems. The CAS number for this material is 101027-76-3.

Application

• As a powerful wetting and leveling agent in water-based industrial coatings and inks.
• To improve substrate wetting and film formation in architectural paints and primers.
• As a key surfactant in fire-fighting foams (AFFF) for rapid film formation and fuel suppression.
• To enhance surface coverage and reduce defects in electronic chemical formulations, including photoresists and PCB coatings.
• As a processing aid and anti-cratering agent in adhesive and sealant manufacturing.
• For improving the spreadability and performance of agricultural pesticide and herbicide formulations.
• In metal treatment and cleaning solutions to ensure uniform surface contact and rinsing.
• As a specialty additive in oilfield chemicals to modify surface tension in various downhole applications.

Basic Information

Product Name	Zonyl® FSO
CAS No.	101027-76-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	FSO 100; Zonyl FSO 100; Fluorad FC-430 (historical/related); Fluorinated polyether glycol; Ethoxylated fluorinated alcohol; Poly(oxy-1,2-ethanediyl), .alpha.-(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)-.omega.-hydroxy-; Nonionic fluorosurfactant FSO
EINECS	Contact for details

Quality Control

Our Zonyl® FSO is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. While specific grades may vary, our products undergo rigorous analytical testing, including assay, impurity profiling, and performance property verification. A Certificate of Analysis (COA) detailing the specific results for your batch is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and excessive heat. For long-term storage, consider using under an inert atmosphere to maintain product stability.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms
Assay (Fluorinated Content)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
pH (1% Solution)	5.0 - 7.0
Surface Tension (0.1% aq.)	≤ 22 dynes/cm

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