Selena Zhou
- Country:
China (Mainland) - Year Established: 2010 Years
- Business type: Trading Company
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Ascorbic Acid CAS NO.50-81-7
- FOB Price:
- USD 1,800.00-2,000.00 /Metric Ton Get Latest Price
- Min.Order Quantity:
- 5 Metric Ton
- Purity:
- 99.9%
- Port:
- Any Port, China
- Payment Terms:
- L/C,T/T
Keywords
- Ascorbic Acid
- Vitamin C
- VC
Quick Details
- ProName: Ascorbic Acid
- CasNo: 50-81-7
- Molecular Formula: C6H7NaO6
- Appearance: White powder
- Application: Food Additives or Pharmaceuticals Mate...
- DeliveryTime: Within 7 days time
- PackAge: 1KG/Bag,20Bags/Carton
- Port: Any Port, China
- ProductionCapacity: 2000 Metric Ton/Month
- Purity: 99.9%
- Storage: Dry, Cool Place
- Transportation: By Sea
- LimitNum: 5 Metric Ton
- Heavy Metal: 0.0001%
- Limited Quantity: 0.0005%
- Valid Period: 2Years
- Place of Origin: China
- Grade: Food Grade,Pharmaceutical Grade
- Type: Powder
- Colour: White
- Sample: Free
- Certificate: ISO 9001
- Brand Name: OEM
Superiority
bp/usp/fcc ascorbic acid:
is a white or slightly yellow crystals or powder,a little acid.m.p.190°c-192°c,easily soluble in water,a little soluble in alcohol and uneasily soluble in ether and chlorofom and other organic solvent.in solid state it is stable in air.its water solution is easliy mutated when it meets with air.
our advantage:
1. free sample
2. best price
3. top quality
4. good after sale service
5. good shipping line
Details
coa of vitamin c ascorbic acid pharmaceutical 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 |
application of bp/usp/fccvii ascorbic acid
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.