Vitamin c
Vitamin c or ascorbic acid food and medicine grade
Name:vitamin c ascorbic acid  
Appearance:White
crystals or crystalline powder
Standard:BP2005/USP31/EP5
Molecular formula : C6H8O6
Molecular weight : 176.13
 
Vitamin C Or Ascorbic Acid Food And Medicine Grade Details
Ascorbic acid  is a white or slightly yellow crystals or powder,a little acid.m.p.190°C-192°C,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.

Vitamin C Or Ascorbic Acid Food And Medicine Grade Applications
1.Keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2.Prevent formation of nitrous amine from nitrous acid in meat products.
3.Improve dough quality and make baked food expand to its maximum.
4.Compensate the Vitamin C losses of beverage ,fruits and vegetables during processing rocedures.
5.Used as nutritional element in additives,Feed additives.

Features:
1) It contains over 99.5% of ascorbic acid
2) Mainly used in producing various medicines, it is an important medicine for
clinical supplementary treatment
3) It can be used in food additive. It is a good and safe nutritional agent as well
as an antiseptic and baking agent of flour processing
4) It can be used in feed additive and can improve animals' immunity from
disease
5) VC fine-crystal and fine powder with 40-80, 30 - 300 mesh (US standard sieve)
 
ITEM    STANDARD
Appearance    White or  almost  white crystal  or  crystalline powder
Identification      Positive
Melting point     191 °C  ~  192°C
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

Storage:kept in a light-proof, well-closed, dry and cool place.
Packing: 25kg carton box