Gold Member Since 2010
Audited Supplier
Tianjin Haitong Chemical Industrial Co., Ltd.

Vitamin C, Ascorbic Acid, L-Ascorbic Acid manufacturer / supplier in China, offering Vitamin C (Coated 97%), Sodium Ascorbate (BP2008/USP31), Citric Acid Anhydrous and so on.

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Home Product PHARMACEUTICAL MATERIAL Vitamin C (Coated 97%)

Vitamin C (Coated 97%)

FOB Price: Get Latest Price
Min. Order: 500 kg
Port: Qingdao, China
Production Capacity: 4, 500 Tons/Year
Payment Terms: L/C, T/T, Paypal
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Basic Info
  • Model NO.: Coated 97%
  • Certification: SGS
  • Classification: Vitamin
  • Appearance: Powder
  • Delivery: Within 15after Receiving Deposit
  • Trademark: OEM
  • Specification: Bp2008/Usp31
  • HS Code: 29369000
  • Environmental Protection: Yes
  • Color: White
  • Function: Nourishing and Balancing Nutrition
  • Shelf Time: 2 Years
  • Payment: T/T &L/C at Sight
  • Transport Package: 25kg Carton or Fiberdrum With 2 Layers of PE Liner
  • Origin: China
Product Description

Vitamin C (Coated 97%)
Appearance: White or almost white granular pass

Odor: Odorless or almost odorless

Identification: Positive Reaction

Heavy Metals (lead) <10ppm

Arsenic <3ppm

Loss on drying((1g, silica gel, 24h) 0.15% max

Residue on ignition 0.1% max

Assay (Calculated on the dried basis) 96.0- 98.0%

Fineness: Through 20 Mesh &ge 98% b. Through 100 Mesh 25%

Microbiology Max. 500aerobe/g Max. 100 fungus/g

Absence of E. Coli

Storage: Kept in cool, dry and closed place

Shelf-life: 2 years
AppearanceWhite 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  solutionClear 
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 
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