|
|
|
|
Lieferanten für
beta-Naphthol
|
Daten | | CAS |
135-19-3 | | Formula |
C10H8O | | EINECS |
205-182-7 |
|
|
4 Registerierte Lieferanten
2-Naphthol, or β -naphthol, is a fluorescent colorless (or occasionally yellow) crystalline solid with the formula C10H7OH. It is an isomer of 1-naphthol, differing by the location of the hydroxyl group on the naphthalene ring. The naphthols are naphthalene homologues of phenol, but more reactive. Both isomers are soluble in simple alcohols, ethers, and chloroform. 2-Naphthol is a widely used intermediate for the production of dyes and other compounds.
| | Appearance & Physical State | broken white shiny flakes or white powder
| | Density | 1.28
| | Melting Point | 120-124ºC
| | Boiling Point | 285-286ºC
| | Flash Point | 160ºC
| | Refractive Index | 1.548
| | Water Solubility | 1 g/L (20 ºC)
| | Stability | Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol.
| | Storage Condition | Keep away from heat, sparks, and flame. Keep away from sources of ignition. Do not store in direct sunlight. Keep container closed when not in use. Store in a tightly closed container. Keep from contact with oxidizing materials. Store in a cool, dry, well-
| | Vapor Pressure | 10 mm Hg ( 145.5 °C)
| | Vapor Density | 4.97 (vs air) |
| Appearance | Ashen powder or flake (the colour will ture into dark yellow or red in storage)
| | Purity (Beta Naphthol as content) | ≥ 99%
| | 1-naphthol | ≤ 0.30%
| | Naphthalene | ≤ 0.40%
| | Moisture | ≤ 0.10% |
|
|
|
Privilegierte Lieferanten
Letztes Update 2024-05-17
|
details
details