Vitamin C
  • Vitamin CVitamin C

Vitamin C

China H&Z® Vitamin C is a colorless crystal, odourless, acidic taste. Soluble in water and ethanol. Stable in dry air , and its solution is not stable. As well as, vitamin C takes part in many metabolism procedures in the human body, helps decrease brittleness of blood capillaries and increase body resistance

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Product Description

Dependable good quality and very good credit score standing are our principles, which will help us at a top-ranking position. Adhering towards the tenet of "quality initial, shopper supreme" for Online Exporter China High Quality Vitamin C Powder with Competitive Price CAS 50-81-7, We H&Z® are trying to get for in depth cooperation with sincere shoppers, attaining a new result in of glory with customers and strategic partners. Online Exporter China 50-81-7, L-Ascorbic Acid, We believe in establishing healthy customer relationships and positive interaction for business. Close cooperation with our customers has helped us to create strong supply chains and reap benefits. Our merchandise have gained us widespread acceptance and the satisfaction of our worldwide valued clients.

China Ascorbic Acid/Vitamin C Factory

Ascorbic Acid/Vitamin C CAS NO:50-81-7

L(+)-Ascorbic acid Chemical Properties



Melting point:190-194°C (dec.)


Boiling point:227.71°C (rough estimate)

Density:1,65 g/cm3

Refractive index :21°(C=10, H2O)

Solubility H2O: 50 mg/mL at 20°C, clear, nearly colorless


Color:white to slightly yellow

PH:1.0 - 2.5 (25℃, 176g/L in water)


Ascorbic Acid/Vitamin C Description:

1.H&Z® Vitamin C is involved in collagen synthesis.Vitamin C can prevent scurvy, iron deficiency anemia, but also participate in the synthesis of human collagen, make our skin shiny, delay aging;Make our blood vessel wall full of elasticity, so as to effectively prevent atherosclerosis and other cardiovascular diseases;Make our bones, joints, lubricating ligaments elastic, conducive to rapid wound healing.

2.The H&Z® vitamin C in food basically exists in fresh vegetable, fruit, human body cannot synthesize.Fruit new jujube, sour jujube, orange, hawthorn, lemon, kiwi, seabuckthorn and roxburgh rose are rich in vitamin C;The content of green leafy vegetables, green pepper, tomato and Chinese cabbage is higher.

3.In the human body, vitamin C is a highly effective antioxidant, which is used to reduce the ascorbate peroxidase SCH's oxidative stress.Vitamin C is also involved in many important biosynthesis processes.

4.Vitamin C prevents iron deficiency anemia.Vitamin C is a water-soluble vitamin that cannot be synthesized by the human body. It mainly comes from fresh vegetables and fruits. Proper supplementation of vitamin C can prevent iron deficiency anemia.

Ascorbic Acid/Vitamin C Specification:




White crystalline powder



Clarity of solution


Assay (%)


Loss on drying (%)


Residue on ignition (%)


Sulphate ash


Specific rotation

from +20.5 to +21.5

PH value (2% solution)

2.4 ~ 2.8

PH value (5% solution)

2.1 ~ 2.6

Heavy metals

≤3 ppm


≤2 ppm


≤2 ppm

Total plate count

≤1000 cfu/g


≤1 ppm


≤1 ppm

Organic volatile impurities

Meets the requirements

Chloride (Cl) (%)


Melting point (℃)

about 190


≤1 ppm


≤2 ppm


Ascorbic Acid/Vitamin C Function:

In the food industry,it can both use as nutrition-al supplements,supplementary VC in food processing,and also is good Antioxidants in food preservation,widely used in meat products,,fermented flour products,beer,tea dtinks, fruit juice,canned fruit,canned meat and so on;also commonly used in cosmetics,feed additives and other industrial areas.

Ascorbic Acid/Vitamin C Application:

1.Food additives:as antioxidant and food nutrition enhancer,VitaminC is used in flour product,beer,candy,jam,can,drink,dairy products.

2.Medicine intermediates:Vitamin medicines,prevent scurvy,and a various of drugs.

3.Cosmetic Material:Vitamin C can promote collagen information,its antioxidation can restrain pigment spots.

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