| CAS No.: | Erythritolascorbic Acid Vitamin C |
|---|---|
| Formula: | Ascorbic Acid Vitamin C |
| EINECS: | Ascorbic Acid Vitamin C |
| Type: | Ascorbic Acid Vitamin C, Pharmaceutical Intermediates |
| Appearance: | Powder |
| Quality: | Industrial, Technical |
| Samples: |
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| Customization: |
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| Molecular Formula: | C6H8O6 |
| Molecular Weight: | 176.124 |
| CAS No.: | 50-81-7 |
| EINECS No.: | 200-066-2 |
| Port: | Qingdao, China |
| Grade Standard: | Food Grade |
| Appearance: | White crystalline powder |
| Melting point: | 190-194 °C |
| Packing: | 25kg/box |
| HS Code: | 2936270010 |
| Analysis Items | Specifications | Analysis Results | Analysis Method |
| Characteristics | White or almost white crystalline powder or colorless crystals |
White crystalline powder | EP |
| Identification | IR:Complies CA:Positive |
Complies Positive |
EP USP |
| Melting Point | About 190ºC | 190ºC | ChP |
| Specific Rotation | +20.5°~+21.5° | +21.0° | EP |
| Acidity(pH) | 2.1~2.6(5% aqueous solution) 2.4~2.8(2% aqueous solution) |
2.4 2.6 |
EP In-house |
| Assay | 99.0%~100.5% | 99.7% | EP |
| Loss on Drying | ≤0.40% | 0.03% | In-house |
| Impurity E(Oxalic Acid) | ≤0.2% | <0.2% | EP |
| Related Substances | Impurity C:≤0.15% Impurity D:≤0.15% Unspecified Impurities:≤0.10% Total Impurities other than C,D: ≤0.2% |
Not detected 0.02% : ≤0.2% <0.02% |
EP |
| Heavy Metals | ≤10ppm | <3ppm | In-house |
| Arse | ≤3ppm | <3ppm | In-house |
| Lead | ≤2ppm | <2ppm | In-house |
| Mercu | ≤1ppm | <1ppm | In-house |
| Copper | ≤5ppm | <5ppm | EP |
| Iron | ≤2ppm | <2ppm | EP |
| Sulphated Ash | ≤0.1% | 0.04% | EP |
| Clarity of Solution | Clear | Clear | EP |
| Colour of Solution | ≤BY7 | <BY7 | EP |
| Residual Solvents | Meth≤0.3% | 0.0104% | In-house |
| Particle-Size | ≤30% more than 40 mesh ≥45% between 40 and 80 mesh |
20% 68% |
In-house |
Vitamin C is widely used in many fields such as food , beverage, breeding and forage additives.
1.Keep food, fruits and beverage fresh and prevent them from producing unpleasant smell.
2.Prevent formation of nitrous amine from nitrous acid in meat products.
3.Improve dough quality and make baked food expand to its maximum.
4.Compensate the Vitamin C losses of beverage ,fruits and vegetables during processing rocedures.
5.Used as nutritional element in additives,Feed additives.
★Application
1.Food Grade: As antioxidant and food nutrition enhancer, Vitamin C is used in flour product, beer, candy, jam, can, drink, dairy products .
2.Medicine Grade: Vitamin medicines, prevent scurvy, and a various of drugs for acute or chronic infectious diseases, purpura, dental caries, gingival abscess, anemia .
3.Cosmetic Material: Vitamin C can promote collagen formation, its antioxidation, can restrain pigment spots.
1.Vitamin C is one of the most important factors in maintaining skin health. It can eliminate dull complexion, maintain the skin's natural moisturizing function, and effectively eliminate free radicals.
2.It is a good nutritional supplement.Vitamin C participates in the synthesis of immunoglobulin, improves the function of white blood cells, and improves the body's health.
3.It can be used in beer, fermented flour products, carbonated beverages, tea beverages, fruit juice beverages, soy milk beverages, milk powder candy, canned jelly fruit, broth, children's cereals, meat products, bakery products.
|
Term |
Standard |
|
Product Name |
Vitamin C/ Ascorbic acid |
|
Appearance |
white crystalline powder |
|
Assay(%) |
99.5-100.5 |
|
Loss on drying(%) |
≤0.40 |
|
Residue on ignition(%) |
≤0.10 |
|
Sulphate ash |
≤0.10 |
|
PH value (2% solution) |
2.4 ~ 2.8 |
|
PH value (5% solution) |
2.1 ~ 2.6 |
|
Heavy metals |
≤3 ppm |
|
Iron |
≤2 ppm |
|
Copper |
≤2 ppm |
|
Total plate count |
≤ 1000 cfu/g |
|
Arse |
≤1 ppm |
|
Merc |
≤1 ppm |
|
Storage |
In the shade |
|
Packing |
25kg/carton |
Specificity: White crystal or powder; odorless; taste salty; easy deliquescence; readily soluble in water or glycerin, almost in
1,Formula: C6H5K3O7·H2O
2,Formula wt: 324.41
3,CAS: [6100-05-6]
4,Specificity: White crystal or powder; odorless; taste salty; easy deliquescence; readily soluble in water or glycerin, almost insoluble in ethanol(Relative density 1.98 it will melt and decompose when heated to 230°C.
5,Packing: 25kg net paper bag or 1mt big bag with PE liner
Name of index |
BP98 |
E-332(ii) |
Description |
White, hygroscopic, granular powder or transparent crystals |
|
Identification |
Positive tests for citrate and for potassium |
|
Appearance of solution |
Clear and colourless |
-- |
Assay(on anhydrous basis),% |
99.0_101.0 |
≥99.0 |
Chloride ,≤ppm |
50 |
-- |
Heavy metals ( As Pb ) ,≤ppm |
10 |
5 |
Sodium,≤% |
0.3 |
-- |
Oxalates,≤% |
0.03 |
0.01 |
Sulphates,≤% |
0.015 |
-- |
Acidity or Alkalinity |
Passes test |
-- |
Easiest carbonated substances |
Not deeper than standard |
-- |
Loss on drying(180°C,4h) |
4.0-7.0 |
≤6% |
pH(5% aqueous solution) |
7.5-9.0 |
|
Ars(A.s),≤ppm |
-- |
1 |
Lead(P.b),≤ppm |
-- |
1 |
Mer(H.g),≤ppm |
-- |
1 |
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