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 chlorofom and other organic solvent.In solid state it is stable in air.Its water solution is easliy mutated when it meets with air.
Usage: In the pharmaceutical industry,can be used to treat scurvy and various acute and chronic infections diseases,are applicable to the lack of VC,
In the food industry,it can both use as nutrition-al supplements,supplementary VC in food processing,and also is goodAntioxidantsin food preservation,widely used in meat products,,fermented flour products,beer,tea dtinks, fruit juice,canned fruit,canned meat and so on;also commonly used in cosmetics,feed additives and other industrial areas.
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 |
1, What kinds of certificates can you offer?
Chems is an ISO2008 9001 certified company, as for Ascorbic Acid, we can offer HAPPC, KOSHER, HALAL Certificates, ect.
2, Is Chems a manufacturer or just a trading company?
Chems is both manufacturer and trading company, we are Ascorbic Acid distributor, at the same time, we are manufacturer of other products.
3, What is the Min Order Quantity of Ascorbic Acid?
Different products have different MOQ, for Ascorbic Acid, the MOQ is 500kg.
4, What is the price of Ascorbic Acid?
Chems is a famous supplier and manufacturer of Ascorbic Acid in China, and has been corporate with many Ascorbic Acid suppliers for several years, we can provide you with cost-effective Ascorbic Acid.
5, How long shall we wait for your reply?
We can guarantee to reply your inquiries of Ascorbic Acid in less than 24 hours in working days.
6, What kinds of transportation types can you provide?
Our main transportation methods include air transportation, land transportation and water transportation.
7, What kinds of payment terms can you accept?
The most commonly used payment terms are T/T, L/C, D/P, D/A, etc.
8, How long will I receive my good?
Chems has its own EDC warehouse in Shanghai, when your purchase order has been confirmed, inventory products will deliver within 1 week, other products delivery in 2 weeks.