DePHOS® H-66 is an alcohol ethoxylate-based phosphate ester available in potassium salt form. It is designed for use in acid and alkali cleaners, spray cleaners, bottle washing, and metalworking processes. The product provides hydrotrope properties, ensuring compatibility and uniformity within formulations. It maintains stability in both acidic and alkaline environments and exhibits low foaming characteristics. Additionally, DePHOS® H-66 functions as a coupling agent, enabling effective incorporation of nonionic surfactants into low-to-moderately built detergent systems. Please submit a document request or general inquiry form if you’d like to access an SDS in another language.

Chemical Family: Phosphate Esters

Functions: Cleaning Agent, Coupling Agent, Detergent, Wetting Agent

Regional Availability: Europe, Global, North America, United Kingdom

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Technical Data

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Physical Form
Soluble In
Appearance
Clear, light yellow liquid (at 25°C)
Soluble in
Water
Dispersible in
Water
Typical Properties
ValueUnitsTest Method / Conditions
pH (at 5% aqueous solution)8.0 - 9.0--
Density (at 25°C)1.19 – 1.30g/mL-
Colormax. 3Gardner-
Solid Content49.0 - 51.0%-
Acid Value (at pH 9.0 - 9.5)15.0 Maxmg.KOH/g-
Cloud Point (at 4% in 9.3N Sodium Hydroxide)40 - 65°C-
Processing Information

Stable in acidic solutions, alkaline solutions and hard water.

Packaging & Availability

Regional Availability
  • Europe
  • Global
  • North America
  • United Kingdom

Storage & Handling

Shelf Life
12 months
Storage Information
  • Should be stored in suitable sealed containers below 30°C in a dry place out of direct sunlight.