Betaine surfactants SIL Sodium Isostearoyl Lactylate CAS 66988-04-3

Betaine surfactants

It is generated by the reaction of fatty tertiary amines and salt chloroacetate, consisting of cocoylpropyl betaine, dodecyl betaine, cetyl betaine, and lauroyl propyl betaine. It is milder than the first 3 and is presently the major surfactant in infant hair shampoo.

In 1940, the American DuPont Business invented and used this sort of compound. Like amino acid surfactants, this sort of surfactant has solid detergency and low irritation, and the solution is weakly acidic. Animal experiments have proven that this kind of substance is much less toxic. It is a suitable surfactant.


( surfactants in shampoos)

Amino acid surfactants

Made from a combination of coconut oil and amino acids, it is safe, mild, and non-irritating. The most crucial point is that it is naturally weakly acidic and fulfills the pH needs of healthy and balanced skin and hair. It is the suitable surfactant in baby hair shampoo. They are “cocoyl glycine,” “cocoyl glutamate disodium,” and so on

From the perspective of chemical properties, its pH worth is in between 5.5 and 6.5, which is weakly acidic and near the pH worth of human skin. Therefore, it is mild and skin-friendly and appropriate for all hair kinds; amino acid surfactants are zwitterionic and conveniently soluble in water. It is very easy to rinse tidy.

But it also has limitations. Amino acid surfactants are a number of to lots of times more pricey than common surfactants, and the majority of are shampoos specially created babies and young kids. The drawbacks of amino acid surfactants are that they are not rich in foam and have weak decontamination ability.

The phenomenon of solidification and turbidity of surfactants in winter is generally as a result of the low temperature causing some of its elements to crystallize or speed up.


(surfactants in shampoos)

What if surfactant solidifies and ends up being turbid in wintertime?

This is a physical sensation and does not have a considerable influence on the effectiveness of surfactants. In order to fix this trouble, the following techniques can be taken:

1. Increase the temperature: Place the surfactant in a warm environment or increase its temperature by heating to ensure that the taken shape or precipitated elements will progressively liquify and the surfactant will certainly return to a clear state. However, it must be kept in mind that the temperature level needs to be prevented when heating up to avoid influencing the surfactant’s performance.

2. Mixing: For surfactants that have strengthened or come to be turbid, they can be restored to a consistent state by mixing. Mixing can help taken shape or sped up components redisperse into the fluid and improve surfactant clarity.

3. Include solvent: Sometimes, an appropriate amount of solvent can be included in thin down the surfactant, consequently boosting its coagulation and turbidity. Nonetheless, the added solvent must be compatible with the surfactant and needs to not affect its use result.

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    Betaine surfactants It is generated by the reaction of fatty tertiary amines and salt chloroacetate, consisting of cocoylpropyl betaine, dodecyl betaine, cetyl betaine, and lauroyl propyl betaine. It is milder than the first 3 and is presently the major surfactant in infant hair shampoo. In 1940, the American DuPont Business invented and used this sort…