Vitamin C Ascorbic Acid Fine Powder CAS No.: 50 81 7
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- Supplier: Shanghai Yuking Water Soluble Material Tech Co. Ltd.
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Product Overview
Description
Vitamin C Ascorbic Acid Fine Powder CAS No.: 50-81-7
Product Pictures:
Product Descriptions:
Vitamin C Details
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.
Specification:
| 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:
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.
Company Profile:
Yuking Technology (430179) is a high-tech enterprise with a global vision, core competitiveness, and industry voice that breaks the monopoly of water-soluble polymers in Europe and the United States for more than 60 years.
The group headquarter and R&D center are located in Shanghai Zhangjiang Medical Park.
The Shanghai plant is located in the new area of the Lingang Free Trade Zone. It is the first R&D and production base for water-soluble polymers in China that integrates high automation, intelligence and information.
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