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China High Quality 4-Amino-3-Iodopyrazolo[3,4-D]Pyrimidine Manufacturers - Ascorbic Acid | 50-81-7 – COLORKEM
China High Quality 4-Amino-3-Iodopyrazolo[3,4-D]Pyrimidine Manufacturers - 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 depend on sturdy technical force and continually create sophisticated technologies to meet the demand of China High Quality 4-Amino-3-Iodopyrazolo[3,4-D]Pyrimidine Manufacturers - Ascorbic Acid | 50-81-7 – COLORKEM , The product will supply to all over the world, such as: Norwegian, Chile, Iraq, Many years of work experience, we have realized the importance of providing good quality products and the best before-sales and after-sales services. Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question things they do not understand. We break down those barriers to ensure you get what you want to the level you expect, when you want it. faster delivery time and the product you want is our Criterion .
By Salome from South Africa - 2017.06.25 12:48
This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
By Ann from Irish - 2018.08.12 12:27
