Vitamin C, also known as L-ascorbic acid, is an essential nutrient for humans. Vitamin C is easily soluble in water, slightly soluble in ethanol, but insoluble in ether, chloroform, benzene, petroleum ether, oils, and fats. Now, China is a major producer and exporter. More than 80% of vitamin C in the US market comes from China.
2-Phenylbenzimidazole-5-sulfonic is an organic compound that belongs to the class of benzimidazole derivatives. Its chemical formula is C13H10N2O3S. It is used as a UV absorber in sunscreen skin care cosmetics.
English
