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1,4-Naphthoquinone

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1,4-Naphthoquinone Basic information
1,4-Naphthoquinone Chemical Properties
  • 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)
  • Flash point:141 °C
  • storage temp. Store below +30°C.
  • solubility 0.09g/l
  • form Powder
  • color Khaki
  • PH6.1 (10g/l, H2O, 20℃)
  • Water Solubility insoluble
  • Merck 14,6395
  • BRN 878524
  • Stability:Stable. Incompatible with strong reducing agents, strong oxidizing agents.
  • InChIKeyFRASJONUBLZVQX-UHFFFAOYSA-N
  • CAS DataBase Reference130-15-4(CAS DataBase Reference)
  • NIST Chemistry Reference1,4-Naphthalenedione(130-15-4)
  • EPA Substance Registry System1,4-Naphthoquinone (130-15-4)
Safety Information
MSDS
1,4-Naphthoquinone Usage And Synthesis
  • Chemical Propertiesyellow to green powder
  • Chemical Properties1,4-Naphthoquinone is a yellow to greenishyellow crystalline solid. Pungent odor like benzoquinone.
  • Usesantibacterial, antineoplastic
  • Synthesis Reference(s)Synthesis, p. 330, 1977 DOI: 10.1055/s-1977-24385
    Tetrahedron Letters, 31, p. 4871, 1990 DOI: 10.1016/S0040-4039(00)97755-4
  • General DescriptionYellow needles or brownish green powder with an odor of benzoquinone.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity Profile1,4-Naphthoquinone may react with many acids and bases liberating heat and flammable gases (e.g., H2). The heat may be sufficient to start a fire in the unreacted portion of the ketone. May react with reducing agents such as hydrides, alkali metals, and nitrides to produce flammable gas (H2) and heat. Incompatible with isocyanates, aldehydes, cyanides, peroxides, and anhydrides. May react violently with aldehydes, HNO3, HNO3 + H2O2, and HClO4.
  • HazardIrritant
  • Health HazardACUTE/CHRONIC HAZARDS: When heated to decomposition 1,4-Naphthoquinone emits toxic fumes and smoke.
  • Fire HazardFlash point data for 1,4-Naphthoquinone are not available; however, 1,4-Naphthoquinone is probably combustible.
  • Safety ProfilePoison by ingestion, intravenous, subcutaneous, and intraperitoneal routes. Experimental reproductive effects. Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Potential Exposure1,4-Naphthoquinone is used as a polymerization regulator for rubber and polyester resins; in the synthesis of dyes and pharmaceuticals; and as a fungicide and algicide.
  • ShippingUN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.
  • Purification MethodsCrystallise the quinone from diethyl ether (charcoal). It distils in steam. It also crystallises from *benzene or aqueous EtOH and sublimes in a vacuum. [Beilstein 7 IV 2422.]
  • IncompatibilitiesKetones are incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, nitrated amines, azo, diazo, azido compounds, carbamates, organic cyanates. May react with many acids and bases liberating heat and flammable gases (e.g., hydrogen) generating heat may be sufficient to start a fire in the unreacted portion of the ketone. May react with reducing agents such as hydrides, alkali metals, and nitrides to produce flammable gas (e.g., hydrogen) and heat. Incompatible with isocyanates, aldehydes, cyanides, peroxides, and anhydrides. May react violently with aldehydes.
  • Waste DisposalConsult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal.
1,4-Naphthoquinone Preparation Products And Raw materials
1,4-Naphthoquinone(130-15-4)Related Product Information
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