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Vitamin C Ascorbic Acid 99% CAS 50-81-7 Ascorbic Acid Granular / Coated / Fine Powder

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Vitamin C Ascorbic Acid 99% CAS 50-81-7 Ascorbic Acid Granular / Coated / Fine Powder

Large Image :  Vitamin C Ascorbic Acid 99% CAS 50-81-7 Ascorbic Acid Granular / Coated / Fine Powder

Product Details:

Place of Origin: China
Brand Name: R&M
Certification: ISO9001
Model Number: 01

Payment & Shipping Terms:

Minimum Order Quantity: 100g
Price: Negotiable
Packaging Details: vaccum packing of aluminum foil bag
Delivery Time: Within 7 Working Days
Supply Ability: 120T/month
Detailed Product Description
CasNo:: 50-81-7 Molecular Formula:: C6H8O6
Heavy Metal: ≤10ppm Transportation:: According The Quantity
DeliveryTime:: In Stock Port:: Port Of China
High Light:

ascorbic acid vitamin c


nutribiotic ascorbic acid


  • Vitamin C
  • Ascorbic acid
  • VC

Quick Details

  • ProName: Factory supply Vitamin C Ascorbic acid...
  • CasNo: 50-81-7
  • Molecular Formula: C6H8O6
  • Appearance: powder
  • Application: pharmaceutical
  • DeliveryTime: in stock
  • PackAge: According client's requirements
  • Port: any chinese port
  • ProductionCapacity: 5 Metric Ton/Month
  • Purity: 99%
  • Storage: keep sealed and keep from direct light
  • Transportation: shipping by DHL,UPS,FEDEX,TNT,EMS,EUB…
  • LimitNum: 1 Gram


1.product name: ascorbic acid, vitamin c

2.cas no: 50-81-7

3.purity: 99%-100.5%

4.appearance: white or almost white crystalline powder

5.hs code: 2936270010


vitamin c is widely used in many fields such as food , beverage, breeding and forage additives. its main functions reflected in following 5 aspects:


1)keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2)prevent formation of nitrous amine from nitrous acid in meat products.
3)improve dough quality and make baked food expand to its maximum.
4)compensate the vitamin c losses of beverage ,fruits and vegetables during processing rocedures.
5)used as nutritional element in additives,feed additives.


item: raw material vitamin c
specifications: 99%
appearence: white fine powder
packaging: foli bag/ paper drum/carton
moq: 1kg
delivery time: 1-3 working days
payment: t/t west union
shelf time: 2 year
storage: keep dry and keep away from sunlight
main export country the amercias, europe, southeast asia


product name ascorbic acid ( vitamin c )
analysis standard: bp2013/usp35
shelf life 3 years
net/gross weight 25.0kgs/26.5kgs
contents standard
characteristics white or almost white crystals crystalline powder
identification positive reaction
melting point about 190°c
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 +20.5°–+21.5°
organic volatile impurities pass
assay 99.0%-100.5%
residual solvents methanol:≤3000 ppm
total plate count ≤1000 cfu/g
yeasts& molds ≤100 cfu/g
escherichia coli negative in 1g
conclusion the above-mentioned product conforms to bp2010/usp32


known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.

our advantages:


1, high quality with competitive price:

1) standard:bp/usp/ep/enterprise standard

2) all purity≥99%

3) we are manufacturer and can provide high quality products with factory price.


2, fast and safe delivery

1) parcel can be sent out in 24 hours after payment.tracking number available

2) secure and discreet shipment.various transportation methods for your choice.

3) customs pass rate ≥99%

4) we have our own agent/remailer/distributor who can help us ship our products very fast and safe,

and we have stock in there for transferring.


3,we have clients throughout the world.

1) professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.

2) market feedback and goods feedback will be appreciated, meeting customers's requirement is our responsibility.

3) high quality,competitive price,fast delivery ,first-class service gain the trust and praise from the customers.



vitamin c is a white monoclinic crystal or crystalline powder with melting point on 190 ℃ -192 ℃, no smell, sour, yellowish color after long time standing. the product is easily soluble in water, slightly soluble in ethanol, insoluble in ether, chloroform. the aqueous solution is acidic. 5% (w / v) aqueous solution ph2.1-2.6 (w / v), the rotation of aqueous solution is +20.5 ~ +21.5.


coa of vitamin c/ ascorbic acid pharm grade


item standard
appearance white 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 solution clear
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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Tel: +8615731109960

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