SZSE：002741
Chemical Reagents
1-Naphthol?COA Report
  • CAS No.：90-15-3
  • Molecular weight：144.17
  • Molecular formula：C10H8O
  • UN Code：2811
  • EC No.：201-969-4
  • HS-No：29071510
Information
Specification category：
Product No. Product name specifications
1.17503.010 1-Naphthol AR25g
Characteristic： Appearance and properties:colorless or yellow crystal or powder with smell of phenol.
Relative density(water=1)?:1.22
Relative vapor density(air=1):4.5
Melting point(℃):96
Boiling point(℃):278-280
Concentration:pure product
Saturated vapor pressure:0.13(94℃)
Solubility:Slightly soluble in water,soluble in benzene,ethanol,ether,etc.
Technical indicators：
Item AR CP
Melt point,℃ 94～97 94～97
Ethanol solution pH-value(250g/L,25℃) 6.4～7.0 6.4～7.0
Solubility in Sodium hydroxide solution Pass Pass
Residue on ignition(as sulfate) ≤0.03% ≤0.05%
Hazard characteristics：

IATA-DGR UN 2811 TOXIC SOLID,ORGANIC,N.O.S.(1-NAPHTHOL),6.1,Ⅲ

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