Description
Ascorbic Acid 97% Granulation white to pale yellow granular powder with an acidic taste. It consists of ascorbic acid granulated with starch.
Product identification
Chemical names
(5R)-5- [(1s)-1, 2-Dihydroxyethyl]-3, 4-dihydroxyfuran-2(5H)-one
Synonyms
L-ascorbic acid; L-xylo-ascorbic acid; L-(+)-ascorbic acid; vitamin C
CAS No
50-81-7
Einecs-No
200-066-2
E No
E 300
Empirical formula
C6H8O6
Molecular mass
176.13 g/mol
Specifications
| Item | Standard |
| Appearance | White or almost white fine granular powder |
| Odor | Odorless or almost odorless |
| Identification | Positive Reaction |
| Heavy Metals (Lead) | Max.10ppm |
| Lead | Max.3ppm |
| Arsenic | Max.3ppm |
| Mercury | Max.0.1ppm |
| Cadmium | Max.1ppm |
| Loss on drying | Max.0.15% |
| Residue on Ignition | Max.0.1% |
| Assay (Caculated on the dried basis) | 96.0-98.0% |
| Fineness |
|
| a.Through 20mesh 850µm | Min.95% |
| b.Through 100mesh 150µm | Max.20% |
| Microbiology | Max.500aerobe/g |
| Max.100 fungus/g | |
| Absence of E.coli | |
| Absence of Salmonella per 10g | |
| Absence of Staphylococcus aureus per 1g |
Package
Net 20kg per paper carton, cartons are packed on pallet
Stability and storage
This product is fairly stable to air if protected from humidity, but is somewhat sensitive to heat. The product may be stored for 24 months from the date of manufacture in the unopened original container and at room temperature below 25℃。On prolonged storage, a slight yellow discoloration may occur which, however, does not affect the biological activity.
Uses
Especially suited for direct compression of tablets.
Compendial compliance
The ascorbic acid used in this formulation meets all requirements of the relevant monographs of the USP, FCC and Ph.Eur. when tested according to these compendia.
Safety
This product is safe for the intended use. Avoid ingestion, inhalation of dust or direct contact by applying suitable protective measures and personal hygiene. For full safety information and necessary precautions, please refer to the respective Material Safety Data Sheet.
