Description

Potassium 3-Sulphonatopropyl 3-(3,5-Di-tert-Butyl-4-Hydroxyphenyl)Propionate is a high-performance, water-soluble phenolic antioxidant salt, offering superior stability in aqueous systems. This compound is engineered to effectively inhibit oxidative degradation, thereby extending the service life and maintaining the integrity of sensitive formulations. It is a critical additive for industries requiring robust, non-volatile antioxidant protection in challenging environments, from advanced polymer processing to functional fluid applications.

Application

• Primary antioxidant in water-based polymer dispersions, latexes, and emulsions.
• Stabilizer for synthetic fibers (e.g., polyamides, polyesters) during high-temperature processing and finishing.
• Additive in hydraulic fluids, metalworking fluids, and other industrial lubricants to prevent oxidation and sludge formation.
• Stabilizing agent in adhesives, sealants, and coatings where water solubility or compatibility is required.
• Intermediate in the synthesis of more complex polymer-bound or macromolecular antioxidants.
• Potential use in personal care formulations as a stabilizer for sensitive ingredients.

Basic Information

Product Name	Potassium 3-Sulphonatopropyl 3-(3,5-Di-tert-Butyl-4-Hydroxyphenyl)Propionate
CAS No.	94159-70-3
Molecular Formula	C24H39KO6S
Molecular Weight	494.73 g/mol
Synonyms	Potassium 3-(3,5-Di-tert-butyl-4-hydroxyphenyl)propionate Sulfopropyl Ester; Irganox® 1425 WL; 3-(3,5-Di-tert-butyl-4-hydroxyphenyl)propionic Acid 3-Sulfopropyl Ester Potassium Salt; Potassium 3-(3,5-Bis(1,1-dimethylethyl)-4-hydroxyphenyl)-1-propanesulfonate Propanoate; Phenol, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, 3-(3-sulfopropyl) propanoate, potassium salt (1:1); Water-soluble Irganox 1425; Antioxidant 1425 Potassium Salt
EINECS	Contact for details

Quality Control

Our production of Potassium 3-Sulphonatopropyl 3-(3,5-Di-tert-Butyl-4-Hydroxyphenyl)Propionate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and consistent performance standards. A Certificate of Analysis (COA) documenting purity, physical properties, and test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider an inert atmosphere. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
pH (10% aqueous solution)	6.0 - 8.0
Sulfated Ash	Conforms

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