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Quick Details

  • CAS No.: 50-81-7
  • Other Names: Ascorbic acid
  • MF: C6H8O6
  • EINECS No.: 200-066-2
  • Place of Origin: China (Mainland)
  • Type: Auxiliaries and Other Medicinal Chemicals, Vitamins, Amino Acids and Coenzymes
  • Grade Standard: Food Grade, Medicine Grade
  • Brand Name: TNN
  • Model Number: BP USP EP
  • Purity: 99% min, 99% min
  • Identification: positive reaction
  • Characteristics: white crystal powder
  • PH: 2.1-2.6
  • Clarity of solution: Clear
  • Color of solution: BY7 max
  • Heavy metal: 10ppm max
  • Iron: 2ppm max
  • Copper: 5ppm max
  • Assay: 99.0-100.5%

Packaging & Delivery

Packaging Details 25kg Carton box
on IPPC pallet
Plastic Pallets
Polywood Pallet
1 FCL=20MT
Shipmark: As buyer's request
professional loading container, without dumping and leaking,
shipping mark on bag and container door both,
fork lift and manual lift can be used during loading and unloading with pallet,
packing photo before and after loading container
Delivery Time Commonly 15-30 days after order confirmed.



Product Description


 PureVitamin C

Test ItemsSpecificationTest Result
CharacteristicsWhite or almost White crystals Crystalline PowderPass
IdentificationPositive ReactionPositive
Melting pointAbout 190°C191.2°C
Clarity of Solution ClearClear
Colour of Solution BY7< BY7
Heavy Metals10ppm<10ppm
Lead <2 mg/kg<2mg/kg
Oxalic Acid0.2%<0.2%
Loss of Drying0.4%<0.4%
Sulphate Ash(Residue On Ignition)0.1%<0.1%
Specific Optical Rotation+20.5 °~ +21.5 °+21.15°
Mesh40-80 MeshPass
Organic Volatile ImpuritiesPassPass
Assay99.0%- 100.5%99.84%
Conclusion : The Above-Mentioned Product Conforms To BP2009/ USP32.





kept in a light-proof,well-colsed,dry and cool place.



Our Services


 Service we can provide:

1. Mixed container, we can mix different items in one container.

2. Quality control, before shipment, free sample for test. after shipment,  keep sample for 3 years

3. Prompt shipment with professional documents

4. Packing as your request, with photo before shipment


Packaging & Shipping


Professional Loading:

1.We will provide you with professional loading

2.We have one team supervise uploading the materials. We will check the container, the packages

3.Every step, taking pictures and make records.

4.we will make a complete Loading Report for our customer of each shipment















Our Advantages:

 1.  Full experience of large numbers containers loading in Chinese sea port

 2. Fast shipment by reputed shipping line

 3. Packing with pallet as buyer's special request

 4. Best service after shipment with emails

 5. Cargoes photo before and after loading into container

 6. Raw materials from Chinese origin




Our Concept:

1.Client is first.We are trying to bring maximum profit to our clients and we only share small.

2.Credibility is the most important.

3.Quality control is our life.

4.Great sense of responsibility: Be responsible for not only our products, our clients, our suppliers, also the society.


Company Information

The TNN Development Limited founded in 1998, with ISO9001:2008 certificate, works closely with its business  partners from Europe, Asia, North America and Africa, handling business of over 500 products including fine chemicals, dyestuff, pharmaceutical raw materials, food additives, vitamins and inorganic chemicals.



















Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
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Email to this supplier
Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
5 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $266,000
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