40 80 Mesh Powder Food Grade 99% Ascorbic Acid /Vitamin C Powder

• CAS No.: 50-81-7
• Formula: C6h8o6
• EINECS: 200-066-2
• Packaging Material: Paper
• Storage Method: Normal
• Shelf Life: 36 Months
• Model NO.: TNN10
• Nutrient Composition: Vitamin
• Resource: Chemosynthesis
• The content of active substances: >99%
• Sample: Available
• Storage: Cool and Dry Place
• Grade: Food Additive
• Time: >12months
• Transport Package: Cardboard Cartons
• Specification: 25kg
• Origin: China
• HS Code: 29362700

Product Description

Product Description

Item	Standard
Appearance	White or almost white, crystalline powder or colourless crystals
Melting point	About 190ºC. with decomposition
Infrared absorption spectrum	Infrared absorption spectrum accord with the referance spectrum of ascorbic acid CRS
PH(With 5% water solution)	2.1-2.6
PH(With 2% water solution)	2.4-2.8
Appearance of solution	Clarity; clear; colour: ≤BY7
Specific optical rotation	20.5ºC- 21.5ºC
Loss on drying	≤0.4%
Impurity E	≤0.2%
Related substance	Impurity C: ≤0.15%
	Impurity D: ≤0.15%
	Unpecified impurities:≤0.10%
	Total impurities:≤0.20%
Copper	≤5.0ppm
Iron	≤2.0ppm
Arisenic	≤3.0ppm
Lead	≤2.0ppm
Mercury	≤1.0ppm
Cadmium	≤1.0ppm
Heavy metals	≤10ppm
Sulphated ash	≤0.1%
Assay	99.0% ~ 100.5%

 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.

 Vitamin C (also known as ascorbic acid) is abundant in vegetables and fruits. A water-soluble vitamin and powerful antioxidant, it helps the body form and maintain connective tissue, including bones, blood vessels, and skin.