Vendas quentes Geogard Ultra Sodium Gluconolactone Benzoate matéria-prima cosmética

English name:Geogard Ultra
It is a preservative system used in cosmetics, personal care products, and other fields. It usually has good preservative properties, can effectively inhibit the growth of microorganisms, extend the shelf life of products, and has good safety and compatibility.
INCI Name: Gluconic acid - δ - lactone is an ester formed by dehydration between the carboxyl group of gluconic acid and the hydroxyl group within the molecule.
Appearance: It is a white crystalline or crystalline powder, almost odorless, with a sweet taste followed by a sour taste
Relative molecular weight: 178.14,
Specific rotation:+61.7 ° (c=1)
Easy to dissolve in water (60g/100mL), slightly soluble in ethanol (1g/100mL), almost insoluble in ether, hydrolyzed in water to form an equilibrium mixture of gluconic acid and its δ - lactone and γ - lactone. The pH of the newly prepared 1% aqueous solution is 3.6, and after 2 hours, it becomes pH 2