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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


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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:

China High Quality 3-Chloro-1-(4-Nitrophenyl)-5,6-Dihydropyridin-2(1h)-One Factory - Ascorbic Acid | 50-81-7 – COLORKEM detail pictures


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We constantly think and practice corresponding to the change of circumstance, and grow up. We aim at the achievement of a richer mind and body along with the living 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: Finland, Iran, Israel, Due to good quality and reasonable prices, our products have been exported to more than 10 countries and regions. We are looking forward to cooperating with all customers from at home and abroad. Moreover, customer satisfaction is our eternal pursuit.
  • Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
    5 Stars By Phoenix from Atlanta - 2017.11.29 11:09
    The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Beatrice from Slovak Republic - 2018.07.26 16:51