China Gold Supplier for High Quality vitamin c ascorbic acid CAS No.: 50-81-7

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It really is a good way to further improve our goods and service. Our mission would be to acquire inventive items to buyers with a very good encounter for China Gold Supplier for High Quality vitamin c ascorbic acid CAS No.: 50-81-7, To gain from our strong OEM/ODM capabilities and considerate products and services, make sure you contact us today. We're going to sincerely develop and share achievement with all clients.
It really is a good way to further improve our goods and service. Our mission would be to acquire inventive items to buyers with a very good encounter for , we sincerely hope to establish a good and long-term business relationship with your esteemed company through this opportunity, based on equality, mutual benefit and win-win business from now to the future. "Your satisfaction is our happiness".

Appearance White or almost white crystalline powder or colourless crystals
Melting point About 190ºC
Specific Rotation   +20.5º~21.5º
PH 2.1~2.6(in 5% solution)
2.4~2.8(in 2% solution )
Residue on ignition
(sulphate ash )
Assay 99.0%~100.5%
Loss on drying 0.1%
Heavy metals 10ppm
Lead  2ppm
Mercury 1ppm
Cadmium 1ppm
Color of solution BY7
Impurity E   (oxalic acid) 0.2%
function Vitamin C is similar in structure to glucose. It is a polyhydroxy compound. The two adjacent enol-type hydroxyl groups in the 2nd and 3rd positions of the molecule are easily dissociated to release H+, so they have acid properties. ascorbic acid. Vitamin C has strong reducibility and is easily oxidized to dehydrogenated vitamin C, but its reaction is reversible, and ascorbic acid and dehydroascorbic acid have the same physiological functions, but dehydroascorbic acid continues to oxidize to form diketone Leuconic acid, the reaction is irreversible and completely loses physiological efficacy.

Our other products are listed as follows,High Quality Vitamin C Ascorbic Acid CAS 50-81-7

 


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