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Aako BV
P.O. Box 205
3830 AE Leusden
The Netherlands
KvK 31009627

Genamin STAC

CAS number:
112-03-8, 67-63-0
INCI:
Steartrimonium Chloride
EINECS number:
203-909-1, 200-661-7
Functionality
Active ingredient
Non Governmental organization
-

General description

Cationic surfactant for the cosmetic industry

As a cationic surfactant, Genamin STAC is adsorbed onto negatively charged surfaces without leaving a visible film, for example on the hair. Because of this and its associated properties, Genamin STAC is especially suitable as an active ingredient for hair cosmetics. Genamin STAC offers a good softening and a good antistatic effect for normal hair.

Applications

Genamin STAC is used mainly in creme rinses and hair conditioners. The concentration required is 0.5% - 2.0%, relative to the active substance. The concentration required depends on the hair. The more damaged the hair is the more Genamin STAC will be used to achieve best effect.
Other possible applications are in the manufacture of antistatic fixatives for permanent waving, hair lotions, shampoos and styling creams.

Hair damaged by bleaching, permanent waving or excessive degreasing tends to mat. Genamin STAC, used in cream aftertreatment preperations, considerably improves the wet combing properties and the condition of the hair.
Genamin STAC is absorbed onto the hair from aqueous and alcoholic solutions as well as from emulsions (dispersions) also in combination with other additives, such as film-forming agents and fatty components, and, because of the reduction in surface resistance, prevents the hair flying after combing.

Genamin STAC can be used in combination with other cationic surfactants to allow special effects with regard to wet and dry combing properties and the feel of the shampooed hair.
Genamin STAC is compatible with nonionic and am-photeric surfactants. It reacts with anionic surfactants by forming electroneutral salts; most of these are only sparingly soluble in water but stable solutions can be obtained by using an excess of an anionic compound.
No signs of incompatibility were observed with mixtures consisting of Genamin STAC and commercial film-forming agents such as polyvinyl pyrrolidone, PVA and PVP/VA.

pH stability
As a quaternary ammonium salt Genamin STAC pos-sesses excellent stability over a wide pH range. It differs from tertiary amines in that the cation persists also in alkaline medium.

Solubility
Genamin STAC is soluble in aqueous preparations and well suited to be formulated into clear systems.

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Aako BV
P.O. Box 205
3830 AE Leusden
The Netherlands
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