CAS No.: 50-81-7
MF: C6H8O6
EINECS No.: 200-066-2
Place of Origin: China (Mainland)
White or almost White crystals Crystalline Powder
Standard(BP2009/USP32)
| Product Name | Ascorbic Acid |
| Analysis standard | BP2015/USP38/FCC9/E300 |
| Characteristics | White or almost white crystals crystalline powder |
| Identification | Positive reaction |
| Melting point | About 190ºC |
| pH | 2.1~2.6 |
| Clarity of solution | Clear |
| Colour of solution | ≤BY7 |
| Copper | ≤5ppm |
| Heavy metals | ≤10ppm |
| Mercury | <0.1mg/kg |
| Lead | <2mg/kg |
| Arsenic | ≤3ppm |
| Cadmium(Cd) | <1mg/kg |
| Oxalic acid | ≤0.2% |
| Iron | ≤2ppm |
| Loss of drying | ≤0.4% |
| Sulphate ash(Residue on ignition) | ≤0.1% |
| Specific optical rotation 25ºC | +20.5°~+21.5° |
| Organic volatile impurities | Pass |
| Assay | 99.0%~100.5% |
Food grade: As antioxidant and food nutrition enhancer, Vitamin C is used in flour product, beer, candy, jam, can, drink, dairy products; Medicine grade: Vitamin medicines, prevent scurvy, and a various of drugs for acute or chronic infectious diseases, purpura, dental caries, gingival abscess, anemia; Cosmetic material: Vitamin C can promote collagen formation, its antioxidation, can restrain pigment spots
1:We have 20 years of experience in exporting products, strong market response capabilities and a wide range of trading partners.
2:We have a variety of certified factories to produce high quality products.
3:We offer full link hosted services from production to delivery.
4:We provide testing services prior to shipment of the product.
5: We will cultivate customers in every country market, let customers develop quickly with us, and win-win cooperation.
Question 1:Can you supply free samples ?
Answer:Because so many free sample orders everyday to us, sorry, we need to supply sample with charge, but sample charge can be deducted from future orders.Hope you can understand.
Question 2: How to assure your delivery same good quality as sample?
Answer: We just take sample from mass production. So same production line,same quality. Even we can supply you preshipment batch sample approval.
Question3. How to assure our delivery and quality after prepayment? If there is a dispute about quality etc, how to solve the problem?
Answer: We are committed to ingredient industry for nearly 20 years. Our products sold popular to European, american, russia and asian market.
The most important is pls book order directly in Alibaba order.You can get extra Ali trade assurance. Our current assurance limit is USD104000 and will still up in future.
We welcome use Trade Assurance, you'll enjoy:
100% product quality protection
100% on-time shipment protection
100% payment protection for your covered amount
Question 4:What kind of payment do you prefer?
Answer: We can accept TT, DP,LC,Westunion etc.
Payment
Payment Term | T/T | 30% T/T in advance, paid the balance before shipment | |
| CFR(C&F) | |||
| 30% T/T in advance, paid the balance against copy of B/L | |||
| CIF | |||
| L/C | L/C amount above 20,000 usd, we can accept L/C at sight after the issuing bank approved by us | ||
| West Union | |||
| Amount lower than 5000usd | |||