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Home » Products » Chemical Series » Polyether series » Propylene Glycol Block Polyether » Industrial Grade Propylene Glycol Block Polyether L44 (CAS 9003-11-6)Surfactant for Pharmaceutical & Cosmetics

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Industrial Grade Propylene Glycol Block Polyether L44 (CAS 9003-11-6)Surfactant for Pharmaceutical & Cosmetics

Propylene Glycol Block Polyether L44 (CAS 9003-11-6) is a nonionic polyoxypropylene-polyoxyethylene copolymer. As a high-performance surfactant, it acts as an emulsifier, dispersant, and antistatic agent, with stable properties ( HLB 12, 45–50°C cloud point in 1% aqueous solution) and wide industrial applicability.
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Propylene Glycol Block Polyether L44(CAS 9003-11-6): Overview

Propylene glycol block polyether L44 (also called PPG block polyether L44, CAS 9003-11-6) is a versatile polyoxypropylene-polyoxyethylene block copolymer. As a high-performance nonionic surfactant, it functions as an emulsifier, dispersant, and wetting agent, widely applied in industries like pesticides, coatings, inks, and pharmaceuticals.
It features excellent water solubility, low toxicity, and stable chemical properties, enhancing product uniformity and processing efficiency. Its customizable compatibility makes it a favored auxiliary for industrial formulations, balancing performance and cost-effectiveness.
                                

Product Advantage

  1. Excellent Chemical Stability
    It maintains stable performance (pH 5.0–7.0 in 1% solution, ≤1.0% moisture content) under typical industrial conditions, ensuring consistent effectiveness in long-term storage and diverse formulations.
  2. Multi-Functional Surfactant Performance
    With HLB value 12, it functions as an emulsifier, dispersant, and wetting agent in one, reducing the need for multiple additives and cutting formulation costs.
  3. Low-Toxicity & Wide Compatibility
    Its low-toxicity feature suits applications in sensitive scenarios (e.g., pharmaceuticals), while it blends well with most raw materials, adapting to complex industrial production systems.
  4. Long-Lasting Antistatic Protection
    It provides durable antistatic effects for synthetic fibers, solving static-related processing issues and improving product quality stability.


Technical Specifications 

Parameter
Specification
Chemical Name
Polyoxypropylene-polyoxyethylene block copolymer (Propylene glycol block polyether)
CAS Number
9003-11-6
Type
Nonionic surfactant
Appearance
Colorless to pale yellow transparent liquid
Cloud Point (1% Aqueous Solution)
45–50°C
Moisture Content
≤1.0%
pH Value (1% Aqueous Solution)
5.0–7.0
HLB Value
12
Solubility
Excellent water solubility; miscible with most organic solvents
Stability
Chemically stable under normal industrial conditions (avoid strong acids/bases)
Toxicity
Low toxicity


Product Uses

  1. Antistatic Agent in Synthetic Fibers
    Applied in synthetic fiber processing to deliver long-lasting antistatic protection, preventing static buildup that disrupts production or affects product usability.
  2. Component in Low-Foam Detergents
    Blended into low-foam, high-efficiency synthetic detergents (paired with L31/L61), suitable for industrial cleaning scenarios requiring minimal foam.
  3. Dispersant in Coatings/Inks
    Used as a dispersant in coating and ink formulations to enhance particle uniformity, improving product consistency and application performance.


Product Operate Guide

Add L44 directly to the formulation system (dosage adjusted based on specific needs, typically 0.5–5% of total mass). Stir evenly at room temperature; for high-viscosity systems, pre-dilute with water (1:1 ratio) to ensure uniform dispersion. Avoid contact with strong acids/bases to maintain stability.


FAQ

  1. What is L44's HLB value?
    Its HLB value is 10, making it suitable for oil-in-water emulsification and moderate-polarity system applications.
  2. Can L44 be used in food-related products?
    It is not recommended for food use; it is primarily designed for industrial, pharmaceutical, and coating applications.
  3. What's the shelf life of L44?
    When stored in a dry, ventilated area, its shelf life is 2 years in sealed packaging.

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