2-Hydroxy-1,4-naphthoquinone CAS No.83-72-7 / Cat No.EBD968952
2-Hydroxy-1,4-naphthoquinone
2-Hydroxy-p-naphthoquinone
C.I. Natural Orange 6
Henna
C.I. 75480
Lawsone2-hydroxy-1,4-naphthoquinone
Natural Orange 6
Lawsone
2-Hydroxy-1,4-Naphthquinone
2-Hydroxy-1,4-naphthoquinone
2-Hydroxy-1,4-Naphoquinone
Henna
C.I. 75480
Lawsone2-hydroxy-1,4-naphthoquinone
Natural Orange 6
Lawsone
2-Hydroxy-1,4-Naphthquinone
2-Hydroxy-1,4-naphthoquinone
2-Hydroxy-1,4-Naphoquinone
2-hydroxy-1,4-naphtoquinone
2-hydroxy-p-naphthoquinone
Properties
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Appearance:
Yellow crystal powder
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Density:
1.482 g/cm3
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Melting point:
192-195 °C (dec.)(lit.)
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Boiling point:
339.908 °C at 760 mmHg
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Flashing point:
173.572 °C
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Solubility:
2 g/L (20 ºC)
Safety Information
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Symbol:
-
Signal words:
Warning -
Hazard statements:
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
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Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
NMR Spectrum
1H NMR
13C NMR
