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CAS NUMBER |
110-44-1 |
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INCI NAME |
Sorbic acid |
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DEFINITION |
Sorbic acid (synonym: 2,4-hexadienoic acid) is a natural, straight-chained fatty acid. It is widely been used as a preservative in foods and cosmetics. For equal preservative power, only three parts of sorbic acid must be used to equal four parts of potassium sorbate. Purity >99% (FCC grade), Kosher. Fine white to off-white, free-flowing powder. Barely soluble in water (about 1% at 20°C, and 4% at 90°C). Somewhat better soluble in plant oils and propylene glycol (1% at 20% and 10% at 90°C). |
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USAGE |
It can be used typical concentration 0.05-0.3% (if used alone) or 0.05-0.15% (if used in combination with other preservatives). Under certain conditions, sorbic acid may oxidize and cause slight color changes in the cosmetic product. This can normally be prevented by adding 0.1–0.3% citric acid to the product. |
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APPLICATIONS |
All kinds of cosmetic products like creams, lotions, shampoos, makeup & sunscreen products. |
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