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Thursday, December 20, 2007

Manual Liquid Dishwash Detergent Update


Formula No. 25

Posted: Nov. 12, 2007

Source: International Specialty Products


% Wt



Dodecyl Benzene Sulphonic Acid (DDBSA)


Sodium Hydroxide (50%)

Sodium Lauryl Sulphate (29%)



Lauryl Dimetyl Amine Oxide (30%)


N-Octyl pyrrolidone, (Surfadone LP-100)


Fragrance, Dye, Preservative etc.


Formula Instructions

  1. Charge the mixing vessel with water, and commence stirring.
  2. Add the DDBSA while mixing and SLOWLY add the sodium hydroxide solution. (Caution – this is an exothermic reaction - releases heat. Cool the mixing vessel if necessary)
  3. Check & adjust the pH to neutral with either more sodium hydroxide or phosphoric acid, as needed.
  4. While stirring, add the remaining ingredients in the order given and mix until homogenous.

Additional Information:

Dodecyl Benzene Sulphonic Acid (DDBS)

surfactant, function as dispersant, detergency and foaming

Sodium Lauryl Sulphate (SLS)

surfactants, function as emulsifier, foaming agent, wetting agent

Lauryl Dimethyl Amine Oxide

a non-ionic detergent, function as a foam stabilizer / booster, and may help to reduce the skin irritation potential of DDBS

N-octyl pyrrolidone (Surfadone LP-100)

improves the wetting performance of the aqueous solution, aids the penetration and solubilization of greasy soils and in conjunction with the other surfactants increases the viscosity of the product, removing the need for electrolyte or thickeners

Note: For Pinoy Visitors

You can buy the raw materials, in retail, at the following chemical supply companies: Alysons’ Chemical Enterprises, Inc., L.G. Atkimsons Import-Export, Inc., HI-Q Commercial, Inc. NECO Philippines, Inc, Glee Chemicals, V.A.Son’s Chemical Inc., Himmel Industries, Inc., and more, just see your DPC Commercial & Industrial Book Yellow Pages – chemical section.

If you want to use ionized water, you can buy at Alysons’ Chemical.

If these companies do not have the specific raw materials, ask for equivalents. Or you can contact International Specialty Products, the supplier of N-octyl pyrrolidone (Surfadone LP-100), customer service office email: for alternative ingredients. 

Sodium Lauryl Sulfate

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