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Ascorbic Acid

Identification
Copyright
CAS # 299-36-5, Ascorbic Acid
Name
Ascorbic Acid
Synonyms
(5R)-5-[(1S)-1,2-Dihydroxyethyl]-3-Hydroxy-4-Oxo-Furan-2-Olate; (5R)-5-[(1S)-1,2-Dihydroxyethyl]-3-Hydroxy-4-Oxo-2-Furanolate; (5R)-5-[(1S)-1,2-Dihydroxyethyl]-3-Hydroxy-4-Keto-Furan-2-Olate
Molecular Formula
C6H7O6
Molecular Weight 175.12
CAS Registry Number
299-36-5
SMILES
[C@@H]1(OC(=O)[C-](O)C1=O)[C@@H](O)CO
InChI
1S/C6H7O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-8,10H,1H2/q-1/t2-,5+/m0/s1
InChIKey RUZSIBWKLPULMN-JLAZNSOCSA-N
INQUIRY

Product Description

Ascorbic Acid is a white or slightly yellow crystals or powder,a little acid.m.p.190ºC-192ºC,easily soluble in water,a little soluble in alcohol and uneasily soluble in Ether and chlorofom and other organic solvent.In solid state it is stable in air.Its water solution is easliy mutated when it meets with air.

Basic information
Chemical name: Ascorbic Acid
Alias: Vitamin C
EINECS No.:200-066-2
Chemical Formula:C6H8O6
Appearance: White or almost White crystals Crystalline Powder
Shelf Life: 36Months
Supplying ability :20000mt/year
MOQ:5000 kgs

Technical parameter

ITEM	STANDARD
Appearance	White or almost white crystal or crystalline powder
Identification	Positive
Melting point	191 ºC ~ 192ºC
pH (5%, w/v)	2.2 ~ 2.5
pH (2%,w/v)	2.4 ~ 2.8
Specific optical rotation	+20.5° ~ +21.5°
Clarity of solution	Clear
Heavy metals	≤0.0003%
Assay (as C 6H 8O6, %)	99.0 ~ 100.5
Copper	≤3 mg/kg
Iron	≤2 mg/kg
Mercury	≤1 mg/kg
Arsenic	≤2 mg/kg
Lead	≤2 mg/kg
Oxalic acid	≤0.2%
Loss on drying	≤0.1%
Sulphated ash	≤ 0.1%
Residual solvents (as methanol)	≤ 500 mg/kg
Total plate count (cfu/g)	≤ 1000
Yeasts & molds (cfu/g)	≤ 100
Escherichia. Coli/g	Absence
Salmonella/ 25g	Absence
	Absence

Usage of Ascorbic Acid
In the pharmaceutical industry,can be used to treat scurvy and various acute and chronic infections diseases,are applicable to the lack of VC.
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.

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