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Names | |
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Preferred IUPAC name
4-(Phenyldiazenyl)phenol | |
Other names
4-Hydroxyazobenzene
Solvent Yellow 7 Simpsol Yellow | |
Identifiers | |
3D model (JSmol)
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ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.015.346 |
EC Number |
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KEGG | |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C12H10N2O | |
Molar mass | 198.225 g·mol−1 |
Appearance | An orange solid[2] |
Melting point | 155 °C (311 °F; 428 K) |
Slightly soluble in hot water | |
Solubility in other solvents | Soluble in ethanol, acetone |
Acidity (pKa) | 8.2 (from the hydroxyl group) |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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Irratant |
Related compounds | |
Related compounds
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Benzenediazonium chloride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Solvent Yellow 7 is an aromatic organic molecule and a common azo dye with a formula of C6H5N2C6H4OH.[3] It has a phenolic hydroxyl and an azo group in the same molecule.[4]