Name	Ascorbic Acid
CAS No.	50-81-7
Chemical Formula	C6H8O6
Specification	BP 2004/ USP 29 / FCC V
Packing	In 25kg cartons
Functional use	Antioxidant
Items	Specifications
Appearance	White crystalline powder
Identification	Positive reaction
Melting point	About 190 ℃
Specific rotation	+20.5 --- +21.5 o
PH value	2.1 - 2.6
Clarity of solution	Clear
Colour of solution	BY7 max
Heavy metals	10 ppm max
Copper	5 ppm max
Iron	2 ppm max
Assay(on dried basis)	99.0 - 100.5%
Residue on ignition	0.1% max
Organic volatile impurities	Conforms
Oxalic Acid	0.2% max