Ascorbic Acid

Description:
Commodity name: Ascorbic acid(vc) 　
Chemical formula: C6h8o6
Cas number:50-81-7
Physical&chemical: 　
Appearance: White crystals.
Odor: Odorless.
Solubility:33g/100g water.
Density:1.65 ;
Ph:3 for 5mg/l aqueous solution; 2 for 50mg/l aqueous solution. % volatiles by volume
@ 21c(70f)0 ; boiling point: Not applicable. Melting point:192c(378f)slightly decomposes. 　
Packing style: Net weight 25 kg bag inner double pp lining handling and storage: Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Isolate from any source of heat or ignition. Isolate from incompatible substances. Containers of this material may be hazardous when empty since they retain product residues(dust, solids); observe all warnings and precautions listed for the product. 　
Shelf life: Two years
Specifications: 　
Characteristics: White crystals or crystalline powder
Identification: Positive
Clarity of solution: Clear
Color of solution: By7 min
Melting point(c)191--192
Assay(%)99.0-100.5
Acidity(ph)2.2-2.5
Residue on ignition(%)0.1 min
Specific rotation: +20.5--+ 21.5
Heavy metals(%)0.0003 min
Oxalic acid(%)0.2 min
Copper(%)0.0005 min
Iron(%)0.0002 min
Organic volatile impurities: Meets usp 23 stipulation 　

Place of Origin:	Zibo
Brand:	HUALONG
Payment Terms :	L/C
Minimum Order :	1000kg
Packaging:	Filbre drum
Delivery Lead Time :	within 30 days