Lanphos PET11 is a phosphate ester manufactured with phosphorous pentoxide, containing both mono- and di-esters. Its primary advantage lies in its excellent stability in high concentrations of acid, alkali, and electrolyte. This product finds applications in cutting fluids, leather processing, agrochemicals, emulsion polymerization, and pigment dispersion.

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

Functions: Surfactant, Surfactant (Anionic)

Labeling Claims: Acid-free

Applicable Processes: Emulsion Polymerization, Leather Manufacturing

Technical Data Sheet

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Identification & Functionality

Agrochemical Functions
Fluids & Lubricants Functions
Industrial Additives Functions

Features & Benefits

Labeling Claims
Product Highlights

The main advantage of a phosphate ester over a conventional anionic is it’s excellent stability in high concentration of acid, alkali and electrolyte.

Applications & Uses

Fluids & Lubricants Type
Fluids & Lubricants End Use
Industrial Additives End Use

Lanphos PET11 is used in applications such as:

  • Cutting fluids
  • Leather processing
  • Agrochemicals
  • Emulsion polymerisation
  • Pigment dispersion


Physical Form
Viscous pale amber liquid (at 25°C)
Soluble in
Typical Properties
ValueUnitsTest Method / Conditions
Acid Value32.0 - 40.0mg KOH/g-
Viscosity (at 25°C)9378cP-
Specific Gravity (at 40°C)1.13--
Pour Point9.0°C-
Flash Pointmin. 150°CClosed Cup

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Regional Availability
  • Canada
  • Mexico
  • USA
Packaging Information

Lanphos PET11 can be supplied in bulk road tankers, IBC’s and 200kg nett drums.

Storage & Handling

Storage Conditions
  • Stainless steel, polyethylene or glass lined equipment is necessary for the storage of Lanphos PET11 in order to prevent corrosion and subsequent contamination.
  • Lanphos PET11 can separate on standing and at low temperatures.
  • May require agitation and warming prior to use.