Cyanocobalamin (Vitamin B12) – CAS 68-19-9
Release time: 2025-07-22
Physicochemical properties
| Property | Description |
|---|---|
| IUPAC Name | Cyanocobalamin; Vitamin B12; Cyanocob(III)alamin |
| CAS Number | 13422-55-4 |
| Molecular Formula | C₆₃H₈₈CoN₁₄O₁₄P |
| Molecular Weight | 1355.37 g/mol |
| Appearance | Dark red crystalline powder |
| Odor/Taste | Odorless and tasteless |
| Solubility | Soluble in water and ethanol; insoluble in acetone, chloroform, and ether |
| Melting Point | 210–220 °C (decomposes/carbonizes) |
| Optical Rotation | [α]D20 = -59° ± 9° (in dilute aqueous solution) |
| Storage Conditions | Store at 2–8 °C, protected from light and moisture |
| Hazard Symbols | GHS02 (Flammable), GHS06 (Toxic), GHS08 (Health Hazard) |
Application Areas
Medical use: mainly used to treat megaloblastic anemia, malnutrition, hemorrhagic anemia, neuralgia, and obstructive diseases.
Laboratory use: As a pharmaceutical raw material with a purity of over 98%, it meets USP standards
Storage conditions
Store away from light to prevent oxidation and failure.
After dissolution, it should be stored at -20 ℃ and recommended to use within one month.
Avoid moisture absorption (especially in an anhydrous state)
Safety precautions
Operation protection: Wear laboratory clothing and gloves to avoid inhalation or skin contact.
Toxicity warning: Antibiotics may interfere with their test results, and clinical monitoring should be taken into account.
Suggested solution: For scientific or medical purposes only, not for use in food or cosmetics

