China (Mainland)
Food Additives L(+)-Ascorbic Acid Ascorbic Acid CAS NO.50-81-7
- Min.Order: 1 Gram
- Payment Terms: L/C,T/T,MoneyGram,Other
- Product Details
Keywords
- L(+)-Ascorbic Acid
- Ascorbic Acid
- Vitamin C
Quick Details
- ProName: Food Additives L(+)-Ascorbic Acid Asco...
- CasNo: 50-81-7
- Molecular Formula: C6H8O6
- Appearance: White or off- white crystal or crys...
- Application: vitamin C is a well-known anti-oxidant...
- DeliveryTime: For stock products could be ship out w...
- PackAge: 1KG/Bag or Bottle,25KG per Box or Drum...
- Port: Shanghai ,Ningbo ,Qingdao ,Tianjin etc...
- ProductionCapacity: 100 Metric Ton/Week
- Purity: Pharm Grade or Food Grade
- Storage: Should be stored in a dark, dry place,...
- Transportation: By DHL /Fedex /TNT /EMS /Air /Sea etc.
- LimitNum: 1 Gram
Superiority
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Details
L(+)-Ascorbic acid Basic information
Product Name: L(+)-Ascorbic acid
Synonyms: 3-Keto-L-gulofuranolactone;3-Oxo-L-gulofuranolactone;3-oxo-l-gulofuranolactone(enolform);Adenex;Allercorb;Antiscorbic vitamin;antiscorbicvitamin;Antiscorbutic vitamin
CAS: 50-81-7
MF: C6H8O6
MW: 176.12
EINECS: 200-066-2
Usage: In the pharmaceutical industry, can be used to treat scurvy and various acute and chronic infectious diseases, are applicable to the lack of VC.
In the food industry, it can both use as nutritional supplements, supplementary VC in food processing, and also is good Antioxidants in food preservation, widely used in meat products, fermented flour products, beer, tea drinks, fruit juice, canned fruit, canned meat and so on;also commonly used in cosmetics,feed additives and other industrial areas.
SPECIFICATION
| ITEM | STANDARD |
| Appearance | White or almost white crystal or crystalline powder |
| Identification | Positive |
| Melting point | 191 ℃ ~ 192℃ |
| 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 |