Ascorbic Acid Food Grade
- Payment Type:
- L/C, T/T, D/P
- Incoterm:
- FOB, CFR, CIF, FCA, CIP
- Min. Order:
- 1 Ton
- Min. Order:
- 1 Ton
- Delivery Time:
- 15 Days
- Transportation:
- Ocean, Land, Air
- Port:
- TIANJIN, QINGDAO, SHANGHAI
Quantity:
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Basic Info
| Place of Origin: | China |
|---|---|
| Payment Type: | L/C,T/T,D/P |
| Incoterm: | FOB,CFR,CIF,FCA,CIP |
| Transportation: | Ocean,Land,Air |
| Port: | TIANJIN,QINGDAO,SHANGHAI |
Product Description
Product Description
DESCRIPTION
White or almost white, crystalline powder or colorless crystals, becoming discolored on exposure to air and moisture.
PROPERTIES
Molecular Formula C6H8O6
Relative Molecular Mass 176.1
Chemical Name (5R)-5-((1S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one
CAS Number 50-81-7
Structural Formula
APPLICATIONS
Mainly used in producing various medicines，it is an important medicine for clinical supplementary treatment. It can be used in food additive. It is
a good and safe nutritional agent，antiseptic and baking agent of flour processing. It can also be used in feed additive and it can improve
animals’ immunity.
COMPENDIAL REQUIREMENTS
Ascorbic Acid meets the requirements of BP2018/USP41/FCC11/EP9/E300 current version when tested according to these compendia.
CERTIFICATE OF ANALYSIS
Identification Positive
*Solubility Freely soluble in water，slightly soluble in ethanol，insoluble in chloroform
Clarity of solution Clear
Color of solution ≤BY7
Loss on drying ≤0.1%
Specific rotation +20.5° to +21.5°
pH（5%，W/V） 2.1~2.6
*pH（2%，W/V） 2.4~2.8
Melting point About 190℃
Residual on ignition ≤0.1%
Assay 99.0% ~ 100.5%
*Impurity E ≤0.3%
*Impurity C ≤0.15%
*Impurity D ≤0.15%
*Unspecified impurities ≤0.10%
*Total of impurities other than C ≤0.2%
*Heavy metal ≤10ppm
*Copper ≤5ppm
*Iron ≤2ppm
*Cadmium ≤1ppm
*Mercury ≤1ppm
*Lead ≤1ppm
*Arsenic ≤1ppm
*Total Plate Count ≤1000cfu/g
*Yeast and Molds ≤100cfu/g
*Escherichia coli Absence in 1g
*Salmonella Absence in 25g
*Staphylococcus Aureus Absence in 25g
*Residual solvents Meets requirement
Note: “ * ” These items as below are sample test.
STABILITY
Ascorbic acid powder is nonvolatile stable in the dry state, however, upon exposure to atmospheric moisture; it can deteriorate, and oxidizes readily
to aqueous solution. Contact with iron, copper or nickel salts should be avoided.
SHELF LIFE
At least 36 months from date of manufacturing provided the container is unopened and stored under the above-mentioned conditions.
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