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CAS NO.50-81-7
1(10-100)Gram1(100-200)Gram
| L(+)-Ascorbic acid Basic information |
| Product Name: | L(+)-Ascorbic acid |
| Synonyms: | 3-Keto-L-gulofuranolactone;3-Oxo-L-gulofuranolactone;3-oxo-l-gulofuranolactone(enolform);Adenex;Allercorb;Antiscorbic vitamin;antiscorbicvitamin;Antiscorbutic vitamin |
| CAS: | 50-81-7 |
| MF: | C6H8O6 |
| MW: | 176.12 |
| EINECS: | 200-066-2 |
| Product Categories: | PHARMACEUTICALS;Food and Feed Additive;Acid;Vitamins and Derivatives;Antioxidant;Biochemistry;Sugar Acids;Sugars;Vitamins;Nutritional Supplements;Vitamin Ingredients;Food Additives，Medicine;Carbohydrates & Derivatives;Intermediates & Fine Chemicals;Isotope Labelled Compounds;Used in medicine and Food Additives;vitamin;Inhibitors |
| Mol File: | 50-81-7.mol |
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| L(+)-Ascorbic acid Chemical Properties |
| mp | 190-194 °C (dec.) |
| alpha | 20.5 º (c=10,H2O) |
| density | 1,65 g/cm3 |
| FEMA | 2109 |
| refractive index | 21 ° (C=10, H2O) |
| storage temp. | 0-6°C |
| solubility | H2O: 50 mg/mL at 20 °C, clear, nearly colorless |
| form | powder |
| color | white to slightly yellow |
| 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. |
| CAS DataBase Reference | 50-81-7(CAS DataBase Reference) |
| NIST Chemistry Reference | L-Ascorbic acid(50-81-7) |
| EPA Substance Registry System | L-Ascorbic acid(50-81-7) |
| Safety Information |
| Hazard Codes | Xn |
| Risk Statements | 20/21/22-36/37/38 |
| Safety Statements | 24/25-36-26 |
| WGK Germany | 1 |
| RTECS | CI7650000 |
| HS Code | 29362700 |
| Hazardous Substances Data | 50-81-7(Hazardous Substances Data) |
| MSDS Information |
| Provider | Language |
|---|---|
| L-Threo-2,3,4,5,6-pentahydroxy-1-hexenoic acid-4-lactone | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| L(+)-Ascorbic acid Usage And Synthesis |
| Chemical Properties | White crystals |
| Usage | antiscorbutic, antiviral |
| Usage | analgesic, antipyretic |
| Usage | Physiological antioxidant. Coenzyme for a number of hydroxylation reactions; required for collagen synthesis. Widely distributed in plants and animals. Inadequate intake results in deficiency syndrome s such as scurvy. Used as antimicrobial and antioxidant in foodstuffs. |
| General Description | White to very pale yellow crystalline powder with a pleasant sharp acidic taste. Almost odorless. |
| Air & Water Reactions | May be sensitive to prolonged exposure to air and light. Sensitive to moisture. Soluble in water. Aqueous solutions are oxidized by air in a reaction that is accelerated by alkalis, iron and copper. The rate depends on the pH and on oxygen concentration. Also subject to degradation under anaerobic conditions. |
| Reactivity Profile | L(+)-Ascorbic acid is a lactone. Reacts as a relatively strong reducing agent and decolorizes many dyes. Forms stable metal salts. Incompatible with oxidizers, dyes, alkalis, iron and copper. Also incompatible with ferric salts and salts of heavy metals, particularly copper, zinc and manganese . |
| Fire Hazard | Flash point data for L(+)-Ascorbic acid are not available; however, L(+)-Ascorbic acid is probably combustible. |
| 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 |
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