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