Calsoft® OS-45S is a biodegradable, high-purity sodium oleic sulfonate recognized for its exceptional wetting, solubilization, and low-foam detergency properties. It remains a pumpable liquid above 32°F, ensuring versatility across household, institutional, and industrial (HI&I) applications. With its sulfonate chemical family classification, Calsoft® OS-45S functions as a wetting agent, processing aid, and flotation aid. It is also utilized as a crystal growth inhibitor and plays a crucial role as an ore leaching assistant in applicable processes.

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Identification & Functionality

Features & Benefits

Base Chemicals Features
Industrial Additives Features

Applications & Uses

Markets
Applications
Applicable Processes
Industrial Additives End Use
Product Application
  • Industrial Cleaning Compounds: Calsoft® OS-45S is a great solubilizer, excellent wetting agent, and low-foaming detergent perfect for food processing and cleaning applications.
  • Emulsion Polymerization: Calsoft® OS-45S offers consistent emulsification in various latex applications. Perfect for styrene butadiene carboxylated latex (carpet and paper coatings).
  • Specialty Applications
    • Wetting agent for dust control
    • Electrochemical processing aid
    • Floatation agent in wastewater treatment
    • Ore leaching assistant
    • Crystal growth controller 
    • Defoamer in acid media (such as phosphoric acid production)

Properties

Color (Properties)
Physical Form
Soluble In
Appearance
Clear brown liquid (at 25°C)
Odor
Slight
Typical Properties
ValueUnitsTest Method / Conditions
Active Content45wt%-
Solids Content51wt%-
Unsulfonated Fatty Acids6wt%-
Inorganic Salt2wt%-
Color20-Gardner
pH (as is)6.5--
Viscosity (at 25ºC)240cPs-
Liquid Density (at 25°C)9.2lbs/Gal-
Cloud Point12.2ºC-
Solubility In WaterInfinite--

Regulatory & Compliance

Packaging & Availability

Packaging Type
Supplied by
Packaging Information

Calsoft® OS-45S is available in 55-gallon polyethylene drums (net weight 500 lb/227kg), and bulk (tank rail and tank truck).

Storage & Handling

Storage & Handling Information

Keep containers tightly closed in a dry, coo,l and well-ventilated place. Employ normal safety precautions (i.e. gloves and safety goggles) when handling. Do not get in my eyes. Avoid skin and clothing contact. Spilled material is slippery on walkways and highways. Foams profusely when hit with a stream of water.