company tower banner
Stepan Company Company Logo
MERPOL® A is an alcohol phosphate that offers attributes such as low foam generation, effective wetting, and reliable emulsification. It serves a range of applications, including metal processing, composite handling, printing ink manufacturing, and coatings. Classified within the chemical group of alcohol phosphate esters, its functions encompass being a plastic anti-static agent, pigment dispersant, and textile lubricating agent.

Functions: Anti-Foaming Agent, Anti-Static Agent, Dispersant, Emulsifier, Leveling Agent, Surfactant, Surfactant (Anionic), Viscosity Modifier, Wetting Agent

Chemical Family: Organophosphates, Phosphate Esters, Phosphorous-based Compounds

Message our experts with questions
Liban Jirmo avatar

Liban Jirmo

Technical Sales

Sr. Technical Sales Development Specialist at Stepan Company

Steve Miller avatar

Steve Miller

Technical Sales

Please reach out to me with any questions, I am happy to assist you in finding the right product or learning more about our storefront

Knowde Enhanced TDS

Identification & Functionality

Industrial Additives Functions
Plastics & Elastomers Functions

Features & Benefits

Industrial Additives Features
Functional Properties
  • Surface tension reduction
  • Wetting agent/emulsifier
  • Ink and print paste wetting agent, viscosity modifier
  • Anti-foaming agent for paper processing
  • Leveling agent and anti-foamer in coatings

Applications & Uses

Application Format
Fluids & Lubricants Type
Bath & Shower Applications
Fluids & Lubricants End Use
Industrial Additives End Use
End Product Uses
  • Chemical Manufacture
  • Metal Processing
  • Petroleum
  • Plastics and Printing Ink Manufacture
  • Textiles & Synthetic Fibers
  • Cosmetics
  • Paper
  • Soap and Chemical Specialties
Product Applications
  • Clean-In-Place (CIP).
  • Ware Washing.
  • Automatic Dishwash Detergents.
  • Metal Cleaning.
  • Machine Floor Scrubbing.
  • Cleaning in Food and Beverage Production.
  • Parts Washing.
  • Industrial and Commercial Laundry.

Properties

Physical Form
Appearance
Water-white clear liquid (at 25°C)
Stable in
Acids (at 25°C), Bases (at 25°C)
Typical Properties
ValueUnitsTest Method / Conditions
Density (at 25°C)1.07g/ml-
Cloud Pointmax. 25°C-
Actives Content100%-
Boiling Point (760 mm Hg)200°C-
pH (1% in Deionized Water at 25 °C)5 - 7--
Critical Micelle Concentration (CMC)0.005%-
Flash Point138°CTAG Flash Point Tester
HLB6.7--
Draves Wetting (% product required for 25 sec, at 25°C)0.06%-
Draves Wetting (% product required for 25 sec, at 25°C)0.13%-
Ross-Miles Foam Height (40 °C, in 0.1% aqueous, Soft Water, Initial)40mm-
Ross-Miles Foam Height (40 °C, in 0.1% aqueous, Soft Water, 10 min)40mm-
Ross-Miles Foam Height (40 °C, in 0.1% aqueous, Hard Water, Initial)15mm-
Ross-Miles Foam Height (40 °C, in 0.1% aqueous, Hard Water, 10 min)5mm-
Surface Tension (in 0.10% aqueous solution)26dynes/cm-

Regulatory & Compliance

Clearances

All components of MERPOL A are listed in the following countries: United States (TSCA listed), Europe (EINECS listed), Canada (DSL listed), China (ENCSC listed), and Australia (AICS listed). Product composition is considered a trade secret. It is the responsibility of the formulator to review the chemical control regulations for each country where the end product is intended to be sold or used.

Safety & Health

Toxicity

MERPOL A is practically non-toxic orally (Oral LD50 = 7500 mg/kg in rats) and causes severe skin and mild eye irritation.

Packaging & Availability

Packaging Type
Standard Packaging

MERPOL A is available in bulk and 55 gallon drums.

Storage & Handling

Storage & Handling

Normal safety precautions (i.e., gloves and safety goggles) should be employed when handling MERPOL A. Contact with eyes and skin should be avoided. MERPOL A should be stored in a cool, dry place in closed containers.