135-19-3 2-Naphthol Beta Naphthol
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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 ring. The naphthols are homologues, but more reactive. Both isomers are soluble in simple alcohols, ethers. 2-Naphthol is a widely used intermediate for the production of dyes and other compounds.
CAS No. | 135-19-3 |
EINECS NO. | 205-182-7 |
MW | 144.17 |
MF | C10H8O |
Purity(%) | >=99% |
Melting Point | 120-122 °C(lit.) |
Boiling Point | 285-286 °C(lit.) |
Appearance | White powder |
Density | 1,28 g/cm3 |
Refractive Index | 1.5762 (estimate) |
Flashing Point | 153 °C |
Other name | 2-Naphthalenol |
ethyl naphthol | |
beta-naphthol | |
naphthol ethyl | |
Naphnol | |
2-Naphthol | |
HS CODE | 2907151000 |
2-Naphthol Usage
1. Important organic raw materials and dye intermediates for the manufacture of toluic acid, butyric acid, β-naphthol-3-carboxylic acid
2. Used in the manufacture of anti-aging agents, anti-aging agents DNP and other anti-aging agents, organic pigments and fungicides, etc.
Specification
ITEMS | SPECIFICATIONS | RESULTS |
APPEARANCE | OFF-WHITE FLAKES OR POWDER | CONFORMS |
CONTENT,% | 99.00 MIN | 99.46 |
1-NAPHTHOL,% | 0.30 MAX | 0.26 |
NAPHTHALEN,% | 0.40 MAX | 0.07 |
WATER,% | 0.1 MAX | 0.07 |
CONCLUSION: THE SUBJECT MATERIAL CONFORMS TO THE REQUIRED STANDARDS. |
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