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| CAS number | 106-51-4 |
| Molecular formula | C6H4O2 |
| Product name | 1,4-Benzoquinone |
| Molecular Structure |  |
Appearance：yellow to green crystalline solid
Purity：99%
Density：1.318
Boiling Point：293ºC
Melting Point：112-116ºC
Flash Point：38ºC
Refractive Index：n20/D 1.453
Water Solubility：10 g/L (25 ºC)
Stability：Stable, but light sensitive. Incompatible with strong oxidizing agents. Flammable.
Storage Condition：2-8ºC
Vapor Density：3.73 (vs air)
Vapor Pressure：0.1 mm Hg ( 25 °C)
