Octanohydroxamic acid
Caprylhydroxamic acid, an ideal organic acid, has excellent anti-bacterial activity at neutral pH, and can be used in a formula system free of chemical preservative. Caprylhydroxamic acid is an organic acid that keeps the non-ionizing state in the whole process from acid to neutral, an optimal anti-bacterial organic acid. With the high chelation effect, it can inhibit the active elements required for molds and limit the environment required for microbial growth. Caprylhydroxamic acid is compatible with the majority of raw materials, not affected by surfactant, protein or other raw materials in the system, able to compound with alcohol, glycol and other preservatives. It can be added at normal temperature under high temperature condition, widely used in gel, essence, emulsion, cream, shampoo, shower and other skin care and hair care products.
Key Technical Parameters:
| Appearance | White crystalline powder sheet |
| Assay | ≥99.0% |
| Melting point | 78~81ºC |
| Heavy metal | ≤10 ppm |
| Chlorophenol | To comply with BP tests |
| Heavy Metals | ≤10 ppm |
| Loss on drying | ≤0.5% |
| Hydroxylamine hydrochloride | ≤10 ppm |
Applications:
Octanohydroxamic Acid is more and more widely used in cosmetics. In addition to being used as a chelating agent in cosmetics, it is also used as a tyrosinase inhibitor in whitening products, and even as a preservative synergist widely used in cosmetics.
There are currently 227 formulas containing caprylyl hydroxamic acid, which are used in eye products, lip products, baby products, washing products, and products in contact with mucous membranes.
Function:
1. Caprylhydroxamic Acid can chelate with Fe2+ and Fe3+ excellently. Then, it can stop mold to get Fe.Caprylhydroxamic Acid has the best length(C8) of C chain to promote degradation of cell membrane structures.
2.It can take place of traditional preservatives when applied to the cosmetic.it is still effective when pH is neutral;
3. Caprylhydroxamic Acid is compatible with most cosmetic ingredient.
4. Caprylhydroxamic Acid may be used in emulsion,anhydrous and surfactant systems.these include creams,lotions,shower gels and make-up.
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