Ascorbic acid is a metabolite found in or produced by Escherichia coli (strain K12, MG1655).
Ascorbic acid is a metabolite found in or produced by Escherichia coli (strain K12, MG1655).
| Physical Description | L-ascorbic acid is a white to very pale yellow crystalline powder with a pleasant sharp acidic taste. Almost odorless. (NTP, 1992) |
| Color/Form | Crystals (usually plates, sometimes needles, monoclinic system) |
| Odor | Odorless |
| Melting Point | 374 to 378 °F (decomposes) (NTP, 1992) |
| Density | 1.65 (NTP, 1992) - Denser than water; will sink |
| Solubility | greater than or equal to 100 mg/mL at 73 °F (NTP, 1992) |
| Stability/Shelf Life | Stable to air when dry; impure preparation and in many natural products vitamin oxidizes on exposure to air and light. Aqueous solutions are rapidly oxidized by air, accelerated by alkalies, iron, … |
| IUPAC Name | (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one |
| Molecular Formula | C6H8O6 |
| Molecular Weight | 176.12 g/mol |
| CAS | 50-81-7 |
| SMILES | C([C@@H]([C@@H]1C(=C(C(=O)O1)O)O)O)O |
| InChIKey | CIWBSHSKHKDKBQ-JLAZNSOCSA-N |
| Catalog No | KC.1210009 |
| Pack sizes | 25GM · 100GM · 500GM |