Bulk Supply Vitamin C Food Grade 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%
• Function: Nutrition Enhancer, Anti-Oxidant
• Sample: Free Sample
• Grade: Food Grade, USP, Bp, FCC, Ep
• Certificate: Halal ISO Kosher
• Transport Package: Cardboard Cartons
• Specification: 25kg
• Origin: China
• HS Code: 29362700

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%