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BIO-SOFT DR-139 is approved for use in Direct Release applications under the surfactant screen of the U.S. EPA Safer Choice Standard and is listed on CleanGredients. It meets the standards to be used in U.S. EPA Safer Choice formulations for outdoor use. As an effective degreaser, wetting agent, and solubilizer, BIO-SOFT DR-139 is the nonionic solution you should turn to when formulating an outdoor cleaner. Whether it be a car wash, boat wash, outdoor cleaner, pressure washer, etc., BIO-SOFT DR-139 is the versatile nonionic surfactant that will help meet your formulating needs. Furthermore, the handling properties of BIO-SOFT DR-139 benefit from its low pour point and clarity.


Aircraft Cleaning, All Purpose Cleaning, Automotive Additives, Car/Truck Wash, Degreasers, Graffiti Removal, Hard Surface Care, Heavy Duty Cleaning, Industrial Cleaning, Light Duty Cleaning, Paint Strippers, Swimming Pool Maintenance, Vehicle Care

Chemical Description


Chemical Groups

Alcohol Ethoxylates, Alkoxylates, Ethoxylates, Nonionic Surfactants


Household, Institutional and Industrial Cleaning, Industrial Products


% Active:85
Cloud Point, °C:56 (1% aqueous)
Density, g/ml:1.02
Draves Wetting, sec @ 25°C:8 (0.1% aqueous)
Flash Point, PMCC, °C:>94
Pour Point, °C:<-35
Specific Gravity @ 25°C:1.02
Viscosity, cps @ 25°C:73
Viscosity, cps @ (#)°C:40
RVOC, U.S. EPA %:4

Regions of Availability

North America: Canada, USA