Description

C18E4 is a high-purity, non-ionic surfactant belonging to the polyoxyethylene alkyl ether family. This compound is valued for its excellent emulsifying, wetting, and dispersing properties in a wide range of industrial formulations. It serves as a critical performance additive for manufacturers in the agrochemical, coatings, textile, and personal care industries seeking reliable and consistent raw materials.

Application

• As a primary emulsifier and stabilizer in agricultural pesticide and herbicide formulations.
• Key ingredient in industrial and institutional cleaning and degreasing products.
• Used as a wetting and dispersing agent in paints, coatings, and inks.
• Formulation component in textile processing for scouring, dyeing, and finishing.
• Surfactant base for metalworking fluids and lubricants.
• Raw material for personal care products such as creams and lotions (subject to grade suitability).
• Used in the production of polymer emulsions and latex.
• Research and development applications in academic and industrial laboratories.

Basic Information

Product Name	C18E4
CAS No.	59970-10-4
Molecular Formula	C26H54O5
Molecular Weight	446.71 g/mol
Synonyms	Polyoxyethylene (4) stearyl ether; Steareth-4; PEG-4 stearyl ether; α-Stearyl-ω-hydroxy-poly(oxy-1,2-ethanediyl); Octadecyl alcohol, ethoxylated (4 EO); Brij S4; Ceteareth-4 (when derived from cetyl-stearyl alcohol blend); Polyethylene glycol monostearyl ether (n=4)
EINECS	261-985-1

Quality Control

Our C18E4 is manufactured under a strict quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, hydroxyl value, and ethylene oxide content determination, to meet precise specifications. Certificates of Analysis (COA) documenting purity and key physical-chemical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white waxy solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Hydroxyl Value	Contact for details
Ethylene Oxide Content	Contact for details
Water Content (KF)	≤ 1.0%
Melting Point	Contact for details

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