|Place of Origin:||CHINA|
|Certification:||GMP, ISO, KOSHER, HALAL|
|Minimum Order Quantity:||1kg|
|Packaging Details:||25kg/Carton and it can load 20MT in one 20'GP|
|Delivery Time:||Prompt shipment|
|Payment Terms:||L/C, D/A, D/P, T/T, Western Union, MoneyGram|
|Supply Ability:||10000 MT per year|
|CAS No.:||50-81-7||Other Name:||L-Ascobic Acid|
100 pure vitamin c powder,
good antioxidant vitamins
99.5% Purity Ascorbic Acid White Crystal Powder as Antioxidant Vitamin C Supplements
Ascorbic Acid is well-known for its antioxygenation. So it is called antioxidant. Most people are familiar with L-Ascorbic Acid also called Vitamin C. When it is not vitamin format, ascorbic acid was often used for film production. Ascorbic acid is easy to be oxydated, but it can prevent different cells from damaging. It must be stored in cold and dark place. Because it can oxidate the touched metals, it can not be stored in metal vessels.
|Product Name||Vitamin C|
|Synonym||L-Ascorbic Acid; Ascorbic Acid|
|TEST ITEMS||SPECIFICATIONS||TEST VALUE|
|Appearance||White or almost white, crystalline powder or colourless crystals||A white crystalline powder|
|Melting point||About 190℃, with decomposition||191℃|
|Infrared Absorption Spectrum||Infrared absorption spectrum accord with the reference spectrum of ascorbic acid CRS||Meets the requirements|
|pH (with 5% water solution)||2.1 ~ 2.6||2.3|
|pH (with 2% water solution)||2.4 ~ 2.8||2.5|
|Appearance of solution||Clarity : clear; Colour: ≤BY7||Clarity: clear; Colour: <BY7|
|Specific optical rotation||+20.5 ̊ ~ +21.5 ̊||+21.0 ̊|
|Loss on drying||≤0.4%||0.04%|
Impurity C: ≤0.15%
Impurity D: ≤0.15%
Unspecified impurities: ≤0.10%
Total impurities: ≤0.2%
Impurity C: undetectable
Impurity D: 0.02%
Unspecified impurities: 0.01%
Total impurites: 0.03%
|Residual solvents||Meets the requirement||Meets the requirements|
25kg/carton or according to the requests of the customers.
Store in a tightly closed container and a cool, dry place under an inert atmosphere. Do not store in direct sunlight.
1. What is lead time of the shipment?
We can deliver the goods within 7-10 days after receipt of the payment.
2. Can we get smaller quantity of Vitamin C?
We can provide free sample within 200g which is enough for test generally and the customers undertake the FedEx freight.
Contact Person: terry