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Dodecyldimethylamine oxide (LDAO / DDAO) or Lauramine Oxide is an amphoteric surfactant that acts as a foam booster and viscosity modifier in personal and home care formulations. It exhibits excellent performance across broad pH ranges and enhances mildness in cleansers. Also identified as Dodecyldimethylamine oxide and DDAO by speciality chemical suppliers and manufacturers, it finds usage in body washes, shampoos, and household cleaners.
Dodecyldimethylamine oxide (LDAO / DDAO) or Lauramine Oxide is an amphoteric surfactant that acts as a foam booster and viscosity modifier in personal and home care formulations. It exhibits excellent performance across broad pH ranges and enhances mildness in cleansers. Also identified as Dodecyldimethylamine oxide and DDAO by speciality chemical suppliers and manufacturers, it finds usage in body washes, shampoos, and household cleaners.
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Beauty & Personal Care, Oleochemicals
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Cosmetic Ingredients, Surfactants
Surfactants & Foaming Agents, Amphoteric
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Chemical Properties & Specifications
Acute Tox. 4 (30.8%), Skin Irrit. 2 (88.7%), Eye Dam. 1 (81%), Aquatic Acute 1 (75.2%), Aquatic Chronic 2 (26.6%), Aquatic Chronic 3 (39.3%)
P264, P264+P265, P270, P273, P280, P301+P317, P302+P352, P305+P354+P338, P317, P321, P330, P332+P317, P362+P364, P391, and P501
In biochemistry, LDAO is a "go-to" detergent for solubilising membrane-bound proteins and keeping them in their native, active conformation for X-ray crystallography or NMR
In industrial cleaning thickening synergist. When mixed with anionic surfactants like SLES, it creates a rod-like micelle structure that significantly increases the viscosity of the formula
Wetting agent in pesticide and herbicide formulations to improve the adhesion of the active ingredient to waxy leaf surfaces
It is Zwitterionic. At pH > 7, it behaves as a non-ionic surfactant (no charge). At pH < 3, it becomes protonated and behaves like a cationic surfactant. This makes it ideal for formulas that change state based on pH.
For LDAO, the CMC is approximately 1-2 mM in water at 25°C. This low CMC makes it a very efficient surfactant even at low concentrations.
High-quality grades are manufactured to be Nitrosamine-free. Procurement should ask for a "Nitrosamine Statement" especially if the product is being used in leave-on cosmetics.
High risk factor (Free Amine content). Ensure Active Matter is 30% and Free Amine < 0.5% to avoid odor issues.
Yes LDAO / DDAO is export ready with DAO / DDAO coa, sds with regulatory compliance documentations.
