High quality Methyl triphenyl phosphonium bromide CAS 1779-49-31
3 year ago
1,4-Naphthoquinone is a yellow to greenishyellow crystalline solid. Pungent odor like benzoquinone.
1,4-Naphthoquinone is used as a strong dienophile in Diels-Alder reaction. It is also used as a precursor to anthroquinone and 5-nitro-1,4-naphthalenedione, which finds application in the preparation of aminoanthroquinone and is also used as a dye precursor. It is a basic component of Vitamin K.
| Melting point | 119-122 °C(lit.) |
| Boiling point | 243.22°C (rough estimate) |
| density | 1,42 g/cm3 |
| vapor pressure | <1 hPa (50 °C) |
| refractive index | 1.5300 (estimate) |
| Fp | 141 °C |
| storage temp. | Store below +30°C. |
| solubility | 0.09g/l |
| form | Powder |
| color | Khaki |
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