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STEPFAC™ 8181 PT3K

1 of 20 products in this brand
STEPFAC™ 8181 PT3K is a 100% active potassium-neutralized salt of an alkyl polyethoxyethanol phosphate ester, serving as a dispersant in oil-based systems and as a compatibility agent in high-electrolyte aqueous systems. Classified within the chemical group of ethoxylated phosphate esters, its functions span dispersant, emulsifier, adjuvant, and wetting agent roles.

Functions: Dispersant, Dispersant, Emulsifier, Emulsifier (O/W), Wetting Agent

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

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Features & Benefits

Biodegradability

Product is readily biodegradable.

Applications & Uses

I&I Cleaning Applications
Applications

STEPFAC 8181 PT3K can be used as a dispersant in a variety of agricultural applications, including suspension concentrates (SC), suspoemulsions (SE) and oil dispersions.

Properties

Physical Form
Appearance
Clear to slightly hazy, light amber liquid (at 25°C)
Typical Properties
ValueUnitsTest Method / Conditions
Density (at 25°C)1.06g/ml
Flash Pointmin. 100°CPMCC Flash Point Tester
pH (in 5% 1:1 IPA/H₂O)6.9
Pour Point-22.5°C
Regulated Volatile Organic Chemicals0%U.S. EPA
Viscosity (at 25°C)1200cPs

Regulatory & Compliance

Clearances

The international inventories (country clearances) for STEPFAC 8181 PT3K can be found in Section 15 of the Safety Data Sheet (SDS). 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.

Packaging & Availability

Standard Packaging

STEPFAC 8181 PT3K is available in drum, tote, and bulk quantities.

Storage & Handling

Storage & Handling
  • Non-Bulk Storage Recommendations: STEPFAC 8181 PT3K should be stored in closed containers and kept in a cool, dry place away from incompatible materials (see Section 10 of the Safety Data Sheet (SDS)). If material is frozen it should be heated gently and stirred to ensure it is homogeneous before use.
  • Bulk Storage Recommendations: STEPFAC 8181 PT3K should be stored in vessels of 316 stainless steel or fiberglass with a corrosion liner. Heating and agitation are recommended for outside storage. Material should be stored between 50 – 100 °F (10 – 38 °C). An internal hairpin coil of 316 stainless steel with low pressure steam (under 50 psig) should be used if heating is required. Pumps, pipes and transfer lines should be 316 stainless steel.
  • It is recommended that STEPFAC 8181 PT3K be stored in sealed containers kept in a well ventilated area away from sparks, fire and open flame. Avoid overheating or freezing. Equipment should be grounded when transferring or using material. Normal safety precautions (e.g., gloves and safety goggles) should be employed when handling STEPFAC 8181 PT3K. Contact with eyes, nose or skin should be avoided. Wash thoroughly after handling STEPFAC 8181 PT3K. See the SDS for further information.