China (Mainland)
High purity L-Ascorbic acid supplier in China CAS NO.50-81-7
- FOB Price: USD: 245.00-280.00 /Gram Get Latest Price
- Min.Order: 50 Gram
- Payment Terms: L/C,T/T
- Available Specifications:
meidical grade(5-20)Grammeidical grade(20-100)Grammeidical grade(100-200)Gram
- Product Details
Keywords
- 50-81-7
- L-Ascorbic acid
- L-Ascorbic acid supplier
Quick Details
- ProName: High purity L-Ascorbic acid supplier i...
- CasNo: 50-81-7
- Molecular Formula: C6H8O6
- Appearance: white powder
- Application: for pharma
- DeliveryTime: within 15 working days after payment
- PackAge: as per client's requirement
- Port: Wuhan
- ProductionCapacity: 5000 Gram/Day
- Purity: 99% min
- Storage: in cool, dry place
- Transportation: Cool dry place, away from the light;
- LimitNum: 50 Gram
- Moisture Content: ≤0.5
- Impurity: ≤1.0%
- Appearance: white powder
- Purity: 99%min
- shelf life: two years
- 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
Superiority
quality & price
1. factory price, reliable quality
2. years produce and exporting experience
3. strict quality control, free sample for test before order, keep sample after shipment for further issue
service
1. enough stock, fast shipment, professional team to deal with it
2. different packing can be customized, photos available before shipment
3. quick response for all inquiries or claims
wuhan xinru chemical has several stock-holding factories, based on strong r&d ability, advanced
production technology and experienced team; pluses international trade office in wuhan, we
can offer high and stable quality products with quick response and service.
please contact us freely for more details about products specification, packing method, price term,
lead time, payment term and any other information, we would try our best to satisfy you both on
quality and price as much as we can.
Details
escription of foodchem antioxidant vitamin c 50-81-7
usp2010/bp33/fccvii/ep7.0
halal.kosher,iso,haccp
appearance white crystals/powder
shelf life:2 years
25/20 kg/ctn/bag
antioxidant vitamin c 50-81-7 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.
coa of antioxidant vitamin c 50-81-7
| 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.