Ascorbic acid E300

E300 ascorbic acid, Vitamin C – L-ascorbic acid or Vitamin C left-handed with the chemical formula C6H8O6. Vitamin C is a food additive belonging to the category of antioxidants and acidity regulators with the number E300. It finds its application in the food, pharmaceutical, cosmetics and as a laboratory reagent. Ascorbic acid is a powerful antioxidant that slows down the aging process. In the food industry used as an antioxidant and acidity regulator. The price includes the cost of the packaging.


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Ascorbic acid common name vitamin C. It is completely soluble in water, which causes an easy process of formulation of pharmaceutical products, dietary supplements, food products. Used in brewing as a pH regulator. In large quantities, it is used by food and drink producers. Vitamin C is added to virtually all food products to enrich their composition in this compound and extend their shelf life. In pharmacy and in cosmetic products e.g. creams, it fights free radicals and thus inhibits skin aging processes as well as wrinkles. L-ascorbic acid is the basis for the production of salts and esters, which are used in the food industry as antioxidants and acidity regulators. Manufacturers of fruit preserves add vitamin C to jam, juices, purees. The antioxidant which is ascorbic acid is designed to extend the shelf life of food products by inhibiting the oxidation reaction. It has acidity and antioxidant regulating properties, which is why it is widely used as a food additive with the symbol E300. It limits adverse chemical changes in products such as fats, fruits and vegetables. Protects food products from discoloration and browning. It also has an acidifying or preserving effect. It inhibits the formation of poisonous nitrosamines in cured meats and maintains their natural color. Also used to treat pool water.

Uses for vitamin C / ascorbic acid:

  • preserves food (extends shelf life)
  • regulates acidity (pH regulator)
  • retains the natural color of products
  • has antioxidant and reducing properties
  • fights the formation of free radicals
  • natural and ecological food additive


  • Name of substance: L-ascorbic acid
  • CAS number: 50-81-7
  • EC number: 200-066-2
  • Form: solid
  • White color
  • Odor: no smell
  • pH: about 2.2 – 2.8 (2% H2O, 20 ° C)
  • Density: ~ 1.65g / cm³
  • Bulk weight: about 500 – 900 kg / m³
  • Solubility:
  • in water: 330 g / l (24 ° C)
  • in organic solvents:
  • in ethanol: 20 g / l (20 ° C)


Description automatically translated, binding is the Polish language version.






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ERP Identifier

EU 1510