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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.

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Retailer Compliance Status

Name (CAS Number)
Water (7732-18-5) Sign in to view
Acetaldehyde (75-07-0) Sign in to view
Ethylene glycol (107-21-1) Sign in to view
Ethylene oxide (75-21-8) Sign in to view

Regulatory & Advisory Status

Name (CAS Number)
Acetaldehyde (75-07-0)
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Ethylene glycol (107-21-1)
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Ethylene oxide (75-21-8)
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Water (7732-18-5)
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Compliance information powered by UL's ChemADVISOR™ Regulatory Database.


Stepan Company is a major developer and manufacturer of anionic, nonionic, cationic, and amphoteric agents for Household, Institutional, and Industrial Cleaner applications. Its AMMONYX® amine oxides enhance foaming, viscosity, and emulsion in shampoos, soaps, lotions, detergents, and more. Stepan’s BIO-SOFT® biodegradable surfactants provide ecofriendly cleaning for a wide range of uses.

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