Products Description
| CAS | 50-81-7 |
| EINECS | 200-066-2 |
| Appearance | white crystalline or crystalline powder, odorless, sour taste |
| Packaging | 25kg cardboard cartons /drums lined with two layers of plastic bags. 25KG CARTON, 22-23MT/FCL, 18MT/FCL With pallet 25KG BAG, 23MT |
introduction
Ascorbic acid (CAS: 50-81-7) is a white or nearly white crystalline powder with no distinct odor and is highly soluble in water. It is a commonly used natural antioxidant that protects food and chemical products from oxidation and participates in various metabolic processes in living organisms.
Application
Food Industry: Used as an antioxidant and preservative to maintain food freshness, prevent browning, inhibit fat oxidation, and improve food quality.
Analytical Chemistry: Used as a reagent and reducing agent in elemental analysis and chromatography.
Agriculture and Animal Husbandry: Added to animal feed to promote growth, enhance immunity, and improve stress resistance in poultry and aquatic animals.
Pharmaceutical Uses: Ascorbic acid is used in pharmaceutical preparations to maintain cell health and as a nutritional supplement.
COA
|
Analysis Contents |
Analysis Standard |
Analysis Results |
|
Characteristics |
White or almost White crystals Crystalline Powder |
Pass |
|
Identification |
Positive Reaction |
Positive |
|
Melting Point |
About 190°C |
190.4°C |
|
pH(with 2% water solution) |
2.4-2.8 |
2.42 |
|
pH(with 5% water solution) |
2.1-2.6 |
2.21 |
|
Clarity Of Solution |
Clear |
Clear |
|
Colour Of Solution |
≤BY7 |
|
|
Copper |
≤5ppm |
<5ppm |
|
Heavy Metals |
≤10ppm |
<10ppm |
|
Mercury |
≤0.1mg/kg |
<0.1mg/kg |
|
Lead |
≤2mg/kg |
<2mg/kg |
|
Arsenic |
≤3ppm |
<3ppm |
|
Oxalic Acid |
≤0.2% |
<0.2% |
|
Iron |
≤2ppm |
<2ppm |
|
Cadmium(Cd) |
<1mg/kg |
<1mg/kg |
|
Impurity E |
≤0.2% |
<0.2% |
|
Loss on Drying |
≤0.4% |
<0.4% |
|
Sulphate Ash(Residue On Ignition) |
≤0.1% |
<0.1% |
|
Specific Optical Rotation |
+20.5° - +21.5° |
+21.26° |
|
Residual Solvents |
Pass |
Pass |
|
Assay |
99.0%-100.5% |
99.87% |
Certification
As an ISO 19001 certified company, Sinoright's products have obtained certifications such as REACH, HALAL, KOSHER, GMP, and FAMI-QS.

What We Offer
Sinoright, as a supplier with extensive experience in the field of food additives, vitamins, and fine chemicals, offers the following services.

Combine different product shipments in one FCL to save money.

Choose the appropriate shipping method for different quantities of products: Air, Sea, Rail, and Express.

Stock products will be shipped within 7 days, using a direct vessel.

Customized and diversified safe package, inspection of loading, and taking photos before shipment

We cooperate with Sinosure and can support multiple payment methods: T/T, L/C, D/P, D/A, O/A, and Alipay.
Packing & Shipping
Packaging
- Standard: 25 kg per cardboard carton or drum, lined with two layers of plastic bags to ensure product protection.
- Optional: 25 kg bags are also available.
Container Loading
- 25 kg carton: 22–23 MT per 20' FCL, 18 MT per 20' FCL with pallets
- 25 kg bag: 23 MT per 20' FCL
Shipping Methods
Flexible transport options, including air, sea, rail, or express, depending on order quantity.
Delivery
Stock products can be shipped within 7 days.






FAQ
Q: Are you a factory or a trading company?
A: We are the manufacturer of Vitamins and Sodium Saccharin. For other products, we act as the distributor and stockist because we have a good cooperation with our upstream & downstream factories.
Q: How long have you run on export trade?
A: 20 years of focus on the food additives and Vitamins, also some Fine Chemicals.
Q: What are your payment terms?
A: We accept all payment TT, LC, DP, and PayPal.
Q: What's your delivery time?
A: Usually, we will arrange the shipment in 7 -15 days.
Q: How about the packing?
A: Usually, we provide the packing in 25 kg/bag or carton. Of course, if you have special requirements for them, we will act according to your instructions.
Q: How about the validity of the products?
A: We ensure that the cargoes have 80% shelf life when it delivered.
Q: What documents do you provide?
A: Usually, we provide a Commercial Invoice, Packing List, Bill of Loading, COA, Health Certificate, and Origin Certificate. If your markets have any special requirements, let us know.
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