Basic Info
Model No.: LYN- 50-81-7
Shelf Life: 2 Years
Form:: Powder
CAS: 50-81-7
Name:: Vitamin C
CoA: Available
Sample: Free
Additional Info
Packaging: 25kg/Drum
Productivity: 10000kg
Brand: zhishang
Transportation: Ocean,Land,Air
Place of Origin: Shandong, China (Mainland)
Supply Ability: in stock
Certificate: ISO CE
HS Code: 50-81-7
Port: Shanghai,Tianjin,Qingdao
Product Description
CAS no.50-81-7 99% Vitamin C / Ascorbic Acid powder
Introduction
A white crystalline powder. Ascorbic acid is the enolic form of 3-oxo-L-
gulofuranolac-tone. It can be prepared by synthesis from glucose, or extracted from plant
Function
1) 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
2) It can be used in feed additive and can improve animals’ immunity from
disease
3) VC fine-crystal and fine powder with 40-80, 30 – 300 mesh (US standard sieve)
4)It can be used in producing various medicines, it is an important medicine for
clinical supplementary treatment
1. Food grade: As antioxidant and food nutrition enhancer, Vitamin C is used in flour product, beer, candy, jam, can, drink, dairy products
2. Medicine grade: Vitamin medicines, prevent scurvy, and a various of drugs for acute or chronic infectious diseases, purpura, dental caries, gingival abscess, anemia
3. Cosmetic material: Vitamin C can promote collagen formation, its antioxidation, can restrain pigment spots
COA :
| TEM | 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 |
| Copper | ≤3 mg/kg |
| Iron | ≤2 mg/kg |
| Mercury | ≤1 mg/kg |
| Arsenic | ≤2 mg/kg |
| Lead | ≤2 mg/kg |
| Oxalic acid | ≤0.2% |
| Loss on drying | ≤0.1% |
| Sulphated ash | ≤ 0.1% |
| Residual solvents (as methanol) | ≤ 500 mg/kg |
| Total plate count (cfu/g) | ≤ 1000 |
| Yeasts & molds (cfu/g) | ≤ 100 |
| Escherichia. Coli/g | Absence |
| Salmonella/ 25g | Absence |
| Staphylococcus aureus/ 25g | Absence |
