Vitamin K3 Menadione
Menadione is a synthetic chemical compound sometimes used as a nutritional supplement because of its vitamin K activity. It is an analog of 1,4-naphthoquinone with a methyl group in the 2-position.[2]
Starting at $15.75
Product Description
| IUPAC name
2-Methylnaphthalene-1,4-dione
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| Other names
Menaphthone; Vitamin K3; β-Methyl-1,4-naphthoquinone; 2-Methyl-1,4-naphthodione; 2-Methyl-1,4-naphthoquinone
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CAS Number
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58-27-5 |
| ChEBI | CHEBI:28869 |
| ChEMBL | ChEMBL590 |
| ChemSpider | 3915 |
| DrugBank | DB00170 |
| Jmol interactive 3D | Image |
| KEGG | D02335 |
| PubChem | 4055 |
| UNII | 723JX6CXY5 |
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InChI[show]
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SMILES[show]
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Chemical formula
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C11H8O2 |
| Molar mass | 172.18 g·mol−1 |
| Appearance | Bright yellow crystals |
| Density | 1.225g/cm3 |
| Melting point | 105 to 107 °C (221 to 225 °F; 378 to 380 K) |
| Boiling point | 304.5 °C (580.1 °F; 577.6 K) @ 760mmHg |
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Solubility in water
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Insoluble |
| ATC code | B02BA02 |
| Flash point | 113.8 °C (236.8 °F; 386.9 K) |
| Lethal dose or concentration (LD, LC): | |
| LD50 (Median dose) | 0.5 g/kg (oral, mouse) |
