China High Quality 3-Chloro-1-(4-Nitrophenyl)-5,6-Dihydropyridin-2(1h)-One Factory - Ascorbic Acid | 50-81-7 – COLORKEM
China High Quality 3-Chloro-1-(4-Nitrophenyl)-5,6-Dihydropyridin-2(1h)-One Factory - Ascorbic Acid | 50-81-7 – COLORKEM Detail:
Products Description
Ascorbic Acid is a white or slightly yellow crystals or powder, a little acid.m.p.190℃-192℃，easily soluble in water, a little soluble in alcohol and uneasily soluble in ether and chloroform and another organic solvent. In solid-state it is stable in air. Its water solution is easily mutated when it meets with air.
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.
| Name | Ascorbic Acid |
| Appearance | Colourless or White crystalline Powder |
| Chemical Formula | C6H12O6 |
| Standard | USP, FCC, BP, EP, JP, etc. |
| Grade | Food, Pharma, Reagent, Electronic |
| Brand | Kinbo |
| Used | Food Additive |
Function
In the food industry, it can both use as nutrition-al 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 |
Product detail pictures:
Related Product Guide:
We thinks what prospects think, the urgency of urgency to act from the interests of a client position of theory, allowing for greater high-quality, reduced processing costs, rates are much more reasonable, won the new and previous consumers the support and affirmation for China High Quality 3-Chloro-1-(4-Nitrophenyl)-5,6-Dihydropyridin-2(1h)-One Factory - Ascorbic Acid | 50-81-7 – COLORKEM , The product will supply to all over the world, such as: Argentina, Nigeria, Pakistan, We guarantee that our company will try our best to reduce customer purchase cost , shorten the period of purchase , stable products quality , increase customers' satisfaction and achieve win-win situation .
By Helen from Switzerland - 2017.08.18 11:04
In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
By Jane from Pakistan - 2018.06.28 19:27
