Description

4-n-Octylphenol 3Eo is a nonionic surfactant intermediate belonging to the alkylphenol ethoxylate family. This compound is valued for its role in synthesizing surfactants with excellent emulsifying, wetting, and dispersing properties. It is a critical raw material for formulators in the industrial cleaning, agrochemical, textile, and paint & coatings sectors seeking reliable performance and supply chain stability.

Application

• Surfactant Synthesis: Primary intermediate for manufacturing nonionic surfactants (alkylphenol ethoxylates - APEOs).
• Industrial & Institutional (I&I) Cleaners: Used in the production of detergents, degreasers, and emulsifiers for hard-surface cleaning.
• Agrochemical Formulations: Acts as an emulsifier and dispersant in pesticides, herbicides, and adjuvant systems.
• Textile Processing: Employed in scouring, dyeing, and finishing agents to improve wetting and leveling.
• Paints & Coatings: Serves as a component in the production of emulsifiers for latex paints and coating additives.
• Metal Working Fluids: Used in formulating coolants and lubricants for their emulsification properties.
• Oilfield Chemicals: Potential application in demulsifiers and drilling fluid additives.

Basic Information

Product Name	4-n-Octylphenol 3Eo
CAS No.	51437-91-3
Molecular Formula	C20H34O4 (Typical for 3 EO adduct)
Molecular Weight	~338.48 g/mol
Synonyms	4-n-Octylphenol ethoxylate (3 EO); p-Octylphenol polyoxyethylene (3) ether; Octylphenol 3-mole Ethoxylate; Octylphenol EO (3); 4-(n-Octyl)phenol, ethoxylated; Poly(oxy-1,2-ethanediyl), α-(4-octylphenyl)-ω-hydroxy- (3 EO); APEO (3 EO); Triton™ X-45 type surfactant intermediate; Nonylphenol ethoxylate alternative (C8 chain).
EINECS	Contact for details

Quality Control

Our 4-n-Octylphenol 3Eo is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent composition, purity, and performance. Certificates of Analysis (COA) documenting key parameters such as ethoxylate distribution, hydroxyl value, and moisture content are provided to guarantee compliance with your formulation requirements.

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 heat sources to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0% (Main component)
Hydroxyl Value	Contact for details
Moisture (KF)	≤ 0.5%
pH (5% solution)	5.0 - 7.0
Ethylene Oxide (EO) Content	~3 moles

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