Food Additive Vitamin C Ascorbic Acid 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
• Assay: 99%Min
• Molecular Weight: 176.12
• Transport Package: Cardboard Cartons
• Specification: 25kg
• Origin: China
• HS Code: 29362700
• Production Capacity: 1000tons/Year

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%

1.This product can enhance the anti-stress ability of the aquatic animals to the sudden change (like high temperature, heavy rain, thunder and lightness, strong wind and the sudden change of the temperature). 
2.It can improve the anorexia phenomenon of aquatic animals after the use of insecticides or disinfectants, enhance appetite and restore physique, and alleviate the toxicity of insecticides and disinfectants. 
3.It can alleviate the dystrophic diseases such as red body, broken barbel, white tail, anorexia and subcutaneous tissue,hematopoietic tissue necrosis caused by the decline of immunity of shrimp and crab. 
4.Rapidly promote animal physical recovery, increase appetite, 
strengthen nutrition, and promote growth, thereby improving the survival and breeding efficiency of breeding. 
5.It can improve the living environment; Prevent deformities in aquatic animals.