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1-Naphthoic acid

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1-Naphthoic acid Basic information
1-Naphthoic acid Chemical Properties
  • Melting point:157-160 °C (lit.)
  • Boiling point:300 °C (lit.)
  • Density 1.398
  • refractive index 1.4600 (estimate)
  • Flash point:195°C
  • storage temp. Sealed in dry,Room Temperature
  • solubility Solubility Slightly soluble in hot water; freely soluble in hot ethanol, ether
  • form Powder
  • pka3.7(at 25℃)
  • color Slightly yellow to brown
  • Specific Gravity1.398
  • PH RangeNon& uorescence (2.5) to blue & uorescence (3.5)
  • Water Solubility Freely soluble in hot alcohol and ether. Slightly soluble in hot water.
  • λmax293nm
  • Merck 14,6381
  • BRN 1908896
  • Stability:Stable. Incompatible with strong bases, strong oxidizing agents.
  • Major ApplicationPhotoresists, recording materials, waveguides, battery, ink, rubber, plastic films, agriculture, cosmetics, Sunscreen, method for preserving food, drugs, biosensors
  • InChIKeyLNETULKMXZVUST-UHFFFAOYSA-N
  • CAS DataBase Reference86-55-5(CAS DataBase Reference)
  • NIST Chemistry Reference1-Naphthalenecarboxylic acid(86-55-5)
  • EPA Substance Registry System1-Naphthalenecarboxylic acid (86-55-5)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38
  • Safety Statements 26-36-24/25-37
  • WGK Germany 2
  • RTECS QL0960000
  • TSCA Yes
  • HS Code 29163900
MSDS
1-Naphthoic acid Usage And Synthesis
  • Chemical PropertiesOff-white to beige powder
  • Synthesis Reference(s)Organic Syntheses, Coll. Vol. 2, p. 425, 1943
    Tetrahedron Letters, 22, p. 1013, 1981 DOI: 10.1016/S0040-4039(01)82853-7
  • Purification MethodsCrystallise the acid from toluene (3mL/g) (charcoal), pet ether (b 80-100o), or aqueous 50% EtOH. The amide has m 202o (from EtOH). [Beilstein 9 IV 2402.]
1-Naphthoic acid Preparation Products And Raw materials
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