CAS No.135-19-3 Chemical Name:2-Naphthol Synonyms β-Naph;2-Naftol;Trimetin;NSC 2044;NSC 5737;c.i.37500;B-NAPHTOL;2-Naftolo;2-Naphtol;developera CBNumber:CB9336283 Molecular Formula:C10H8O Formula Weight:144.17 2-Naphthol Properties Melting point:120-122?°C(lit.) Boiling point:285-286?°C(lit.) Density? 1,28 g/cm3 vapor density? 4.97 (vs air) vapor pressure? 10 mm Hg ( 145.5 °C) refractive index? 1.5762 (estimate) Flash point:153 °C storage temp.? Refrigerator solubility? methanol: soluble1g/10 mL, clear, colorless to light yellow form? Powder, Crystals or Granules pka 9.51(at 25℃) color? White PH Range Non& uorescence (8.5) to blue & uorescence (9.5) Water Solubility? 1 g/L (20 oC) λmax 226nm, 265nm, 275nm, 286nm, 320nm, 331nm Merck? 14,6384 BRN? 742134 Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol. Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders InChIKeyAZRIHNYRIHIV-UHFFFAOYSA-N Inirect Additives used in Food Contact Substances BETA-NAPHTHOL CAS DataBase Reference 135-19-3(CAS DataBase Reference) FDA 21 CFR 176.200 EWG's Food Scores 2-5 FDA UNII P2Z71CIK5H NIST Chemistry Reference 2-Naphthalenol(135-19-3)