This article is missing information about drugbox or more Chembox Pharmacology.(January 2021) |
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Names | |
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Preferred IUPAC name
2-Methylnaphthalene-1,4-dione | |
Other names
Menaphthone; Vitamin K3; β-Methyl-1,4-naphthoquinone; 2-Methyl-1,4-naphthodione; 2-Methyl-1,4-naphthoquinone
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChEMBL | |
ChemSpider | |
DrugBank | |
ECHA InfoCard | 100.000.338 |
KEGG | |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C11H8O2 | |
Molar mass | 172.183 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) |
Insoluble | |
Pharmacology | |
B02BA02 (WHO) | |
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Legal status |
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Hazards | |
Flash point | 113.8 °C (236.8 °F; 386.9 K) |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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0.5 g/kg (oral, mouse) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Menadione is a made-man[3] organic compound with the formula C6H4(CO)2C2H(CH3). It is an analog of 1,4-naphthoquinone with a methyl group in the 2-position.[4] It is sometimes called vitamin K3. Use is allowed as a nutritional supplement in animal feed because of its vitamin K activity.
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