Description
Vitamin C is a white monoclinic crystal or crystalline powder with melting point on 190 degree -192 degree, no smell, sour, yellowish color after long time standing. The product is easily soluble in water, slightly soluble in ethanol, insoluble in ether, chloroform. The aqueous solution is acidic. 5% (W / V) aqueous solution pH2.1-2.6 (W / V), the rotation of aqueous solution is +20.5 ° ~ +21.5.
Nutritional supplements. Antioxidants; Color agent. Enhance resistance to infectious diseases. Can be used for beer, fermented flour products, carbonated drinks, tea drinks, juice drinks, milk beverages, milk candy, canned fruit jelly, broth, children's cereal preparations, meat products, baking products.
| Characteristics | White or almost White crystals Crystalline Powder |
| Identification | Positive Reaction |
| Melting Point | About 190 |
| PH | 2.4-2.8 |
| Clarity Of Solution | Clear |
| Colour Of Solution | ≤BY7 |
| Loss on drying | ≤0.4% |
| Copper | ≤5ppm |
| Heavy Metals | ≤10ppm |
| Iron | ≤2ppm |
| Mercury | ≤1ppm |
| Lead | ≤2ppm |
| Arsenic | ≤3ppm |
| Oxalic Acid | ≤0.2% |
| Sulphate Ash(Residue On Ignition) | ≤0.1% |
| Specific Optical Rotation | +20.5°-+21.5° |
| Organic Volatile Impurities | Pass |
| Assay | 99.0%-100.5% |
| L(+)-Ascorbic acid Basic information |
| Product Name: | L(+)-Ascorbic acid |
| Synonyms: | L-Ascorbic acid, 99.99% metals basis;Ascorbic aci;L-ASCORBIC ACID, REAGENT (ACS)L-ASCORBIC ACID, REAGENT (ACS)L-ASCORBIC ACID, REAGENT (ACS)L-ASCORBIC ACID, REAGENT (ACS);Ascorbic aicd;Nano Liposomal VC;Vitamin C (Ascorbic Acid) Liposome, Oil-Soluble Vitamin C;L-(+)-ASCORBIC ACID PWD;Ascorbic acid Manufacturer |
| CAS: | 50-81-7 |
| MF: | C6H8O6 |
| MW: | 176.12 |
| EINECS: | 200-066-2 |
| Product Categories: | Antioxidant;Biochemistry;Sugar Acids;Sugars;Vitamins;Nutritional Supplements;PHARMACEUTICALS;Food and Feed Additive;Acid;Vitamins and Derivatives;Carbohydrates & Derivatives;Vitamin Ingredients;Food Additives,Medicine;Inhibitors;Intermediates & Fine Chemicals;Isotope Labelled Compounds;Used in medicine and Food Additives;vitamin |
| Mol File: | 50-81-7.mol |
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| L(+)-Ascorbic acid Chemical Properties |
| Melting point | 190-194 °C (dec.) |
| alpha | 20.5 º (c=10,H2O) |
| Boiling point | 227.71°C (rough estimate) |
| density | 1,65 g/cm3 |
| FEMA | 2109 | ASCORBIC ACID |
| refractive index | 21 ° (C=10, H2O) |
| storage temp. | 0-6°C |
| solubility | H2O: 50 mg/mL at 20 °C, clear, nearly colorless |
| form | powder |
| pka | 4.04, 11.7(at 25ºC) |
| color | white to slightly yellow |
| PH | 1.0 - 2.5 (25ºC, 176g/L in water) |
| PH Range | 1 - 2.5 |
| Odor | Odorless |
| optical activity | [α]25/D 19.0 to 23.0°, c = 10% in H2O |
| Water Solubility | 333 g/L (20 ºC) |
| Merck | 14,830 |
| BRN | 84272 |
| Stability: | Stable. May be weakly light or air sensitive. Incompatible with oxidizing agents, alkalies, iron, copper. |
| InChIKey | CIWBSHSKHKDKBQ-JLAZNSOCSA-N |
| CAS DataBase Reference | 50-81-7(CAS DataBase Reference) |
| NIST Chemistry Reference | L-Ascorbic acid(50-81-7) |
| EPA Substance Registry System | Ascorbic acid (50-81-7) |
| Hazard Codes | Xn |
| Risk Statements | 20/21/22-36/37/38 |
| Safety Statements | 24/25-36-26 |
| RIDADR | UN 1648 3 / PGII |
| WGK Germany | 1 |
| RTECS | CI7650000 |
| TSCA | Yes |
| HS Code | 29362700 |
| Hazardous Substances Data | 50-81-7(Hazardous Substances Data) |
| Toxicity | LD50 oral in rat: 11900mg/kg |
| Provider | Language |
|---|
| L-Threo-2,3,4,5,6-pentahydroxy-1-hexenoic acid-4-lactone | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
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| L(+)-Ascorbic acid Usage And Synthesis |
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| L(+)-Ascorbic acid Preparation Products And Raw materials |
| Preparation Products | Gardenia blue pigment-->Magnesium ascorbyl phosphate-->BETANIN-->L-Carnitine-L-tartrate -->L-Ascorbyl 6-palmitate-->Hibiscetin-->Calcium diascorbate-->Sodium ascorbate-->L-ASCORBYL 6-STEARATE-->L-Threonic acid calcium salt |
| Raw materials | Sodium methanolate-->Sodium hypochlorite-->D-Sorbitol-->2-Furoic acid-->Nickel sulfate -->D-Sorbitol-->Sodium erythorbate-->Gluconic acid-->Acetonylacetone-->GLOBULINS, CAT GAMMA-->SODIUM ERYTHORBATE-->Sodium ascorbate |
FAQQ1.What's the payment terms?
We could accept T/T, L/C, DP payment terms.
Q2.How about the different index of products in same application?
Specifications can be customized according to your application.
Q3.How about the samples of products?
We can provide free samples under 2Kg(not including freight charge).
Q4.How about the price of products?
Our products are chemical synthesis got from underground brine, which is available for a variety of usage. Our products are high purity with good quality, and the price is based on different specification and quantity.
Q5.What's the shelf life for the cargoes?
Our product's shelf life is 2 years, which is based on dry and ventilated storage.
Q6.What's the package of the cargoes?
20kg/25kg woven bags, within plastic bags, or as customized.
Q7.What's the delivery time?
We usually deliver the cargoes within 10~20 days after receiving customer's payment or original L/C.
Q8.Which documents can we supply?
Commercial Invoice, Packing List, Certificate of Analysis, Certificate of Origin (FORM E), Bill of Loading, ISO etc.
The documents will be sent by Express within 24 hours against your full payment.
Q9.Why do you choose us?
We accept safe and diversified payment terms.
We supply a price trend to ensure clients know marketing information in time. We will take charge of 100% responsibility for
quality issue. We strive to create value for each customer we serve by meeting their unique needs and providing solutions to solve their problems and achieve their objectives.
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