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Hello visitor from
USA - 61 visiting from 24 USA 16 Brazil 9 Canada 3 Germany 2 Hong Kong 1 Mexico 1 New Zealand 1 Palestine 1 Tunisia 1 UK 1 Ireland 1 Ukraine
Vitamin C Ascorbic Acid
Posted at: Offers to Sell and Export | Posted on: Thursday 13 August 2009 7:14 am | Poster last visit: Thursday 13 August 2009 |
Product Description:
Ascorbic acid (vitamin c)
Formula: c6h8o6
Molecular Weight: 176.13
CAS No.: 50-81-7
E-Code
No.: E-300
EINECS code: 2000662
Appearance: White granular powder, melting at about 190degrees centigrade. Gradually darkens on exposure to light and/or heat, reasonably stable in air when dry, but deteriorates in solution in the presence of air. One gram is soluble in about 3ml of water and in about 30ml of alcohol. It is insoluble in chloroform, in ether, and in benzene.
Specification (bp2004/usp28/fccv)
Appearance: White to slightly yellowish crystalline power
Identification Positive Reaction
Clarity of Solution (5% solution) Clear
Color of Solution BY7
Assay 99.0% ~ 100.5%
Particle size (%) mesh No. 20 100
Loss on Drying < 0.2%
Residue on Ignition Max 0.1%
Specific Rotation + 20.5 ~ +21.5 degrees
pH (5% in water) 2.2 ~ 2.5
Heavy Metals (as Pb) Max. 10ppm
Lead Max. 5ppm
Zinc Max. 25ppm
Copper Max. 5ppm
Iron Max. 2ppm
Arsenic Max. 3ppm
Oxalic Acid Max. 0.2%
Shelf Life 2 Years
Packing
Two layers of polyethylene liner in net 25kg carton or fiber drum
Company Contact:
Contact Name: Tracy Luo
Company Name: Roton International Corp.
Email:
Tel: 86-15170418912 or (0086)0791-3775908
Fax: 0791-3987137
Street Address: Rm1804, Building C,
Lujing International Mansion, Lijing
Road, Nanchang City, Jiangxi
Province 330038, China
Member name: Roton
Country:
China
Member Since: 13 August 2009
Total Leads: 7 Roton Import Export Business Leads
Business focus: Food Additives
Chat:
Verify: Safe Import Export Tips
Formula: c6h8o6
Molecular Weight: 176.13
CAS No.: 50-81-7
E-Code
No.: E-300
EINECS code: 2000662
Appearance: White granular powder, melting at about 190degrees centigrade. Gradually darkens on exposure to light and/or heat, reasonably stable in air when dry, but deteriorates in solution in the presence of air. One gram is soluble in about 3ml of water and in about 30ml of alcohol. It is insoluble in chloroform, in ether, and in benzene.
Specification (bp2004/usp28/fccv)
Appearance: White to slightly yellowish crystalline power
Identification Positive Reaction
Clarity of Solution (5% solution) Clear
Color of Solution BY7
Assay 99.0% ~ 100.5%
Particle size (%) mesh No. 20 100
Loss on Drying < 0.2%
Residue on Ignition Max 0.1%
Specific Rotation + 20.5 ~ +21.5 degrees
pH (5% in water) 2.2 ~ 2.5
Heavy Metals (as Pb) Max. 10ppm
Lead Max. 5ppm
Zinc Max. 25ppm
Copper Max. 5ppm
Iron Max. 2ppm
Arsenic Max. 3ppm
Oxalic Acid Max. 0.2%
Shelf Life 2 Years
Packing
Two layers of polyethylene liner in net 25kg carton or fiber drum
Company Contact:
Contact Name: Tracy Luo
Company Name: Roton International Corp.
Email:
Tel: 86-15170418912 or (0086)0791-3775908
Fax: 0791-3987137
Street Address: Rm1804, Building C,
Lujing International Mansion, Lijing
Road, Nanchang City, Jiangxi
Province 330038, China
Member name: Roton
Country:
ChinaMember Since: 13 August 2009
Total Leads: 7 Roton Import Export Business Leads
Business focus: Food Additives
Chat:
Verify: Safe Import Export Tips
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