Description

Oxirane, Methyl-, Polymer With Oxirane, Monooctadecyl Ether (CAS 72230-58-1) is a specialized nonionic surfactant and polymeric emulsifier derived from ethylene oxide and propylene oxide chemistry. This compound is valued for its excellent emulsifying, dispersing, and stabilizing properties in complex formulations. It is primarily used by manufacturers in the personal care, coatings, and agrochemical industries seeking to improve product performance and stability.

Application

• Personal Care & Cosmetics: Acts as a key emulsifier and stabilizer in creams, lotions, and ointments, providing a smooth texture and enhancing shelf life.
• Coatings & Paints: Serves as a pigment dispersant and grinding aid, improving color development and stability in water-based and solvent-based systems.
• Agrochemical Formulations: Used as an emulsifier and adjuvant in pesticide and herbicide concentrates, aiding in spray application and active ingredient delivery.
• Industrial Cleaners: Functions as a surfactant and coupling agent in heavy-duty degreasers and cleaning concentrates.
• Textile Processing: Employed as a leveling agent and dye dispersant to ensure uniform color uptake and processing.
• Polymerization: Can be utilized as a nonionic surfactant in emulsion polymerization processes for synthetic rubbers and plastics.

Basic Information

Product Name	Oxirane, Methyl-, Polymer With Oxirane, Monooctadecyl Ether
CAS No.	72230-58-1
Molecular Formula	(C3H6O.C2H4O)x.C18H38O
Molecular Weight	Variable (Polymer)
Synonyms	Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy-, ether with octadecanol, block polymer with 1,2-propanediol; PEG-PPG Stearyl Ether; PPG-PEG Stearyl Ether; Polyoxyethylene Polyoxypropylene Stearyl Ether; EO/PO Block Copolymer Stearyl Ether; Steareth-x (where x refers to EO/PO ratio); Nonionic Surfactant 72230-58-1; Emulsifier 72230-58-1
EINECS	Contact for details

Quality Control

Our Oxirane, Methyl-, Polymer With Oxirane, Monooctadecyl Ether is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent performance, including assay, hydroxyl value, and cloud point determination. Certificates of Analysis (COA) documenting purity and key physical-chemical parameters are available upon request to support your quality assurance protocols.

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 which may affect performance.

Specification

Item	Specification
Appearance (25°C)	White to off-white waxy solid or paste
Identification (IR)	Conforms
Assay	≥ 98.0%
Hydroxyl Value (mg KOH/g)	Contact for details
Cloud Point (1% in water, °C)	Contact for details
Moisture (Karl Fischer)	≤ 1.0%
pH (5% solution)	5.0 - 7.0

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