Vitamin C L (+) -Ascorbic Acid CAS 50-81-7 with Good Price

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5000 Kilograms(Min. Order)

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Product Details

Brand Name	cspc	Model Number	chunyu08
Type	Chewing Gum Bases, Colorants, Flavoring Agents, Preservatives, Sweeteners	EINECS No.	200-066-2
MF	C6h8o6	Other Names	Vitamin C
CAS No.	6100-05-6

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%

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