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| Name |
Naphthol |
EINECS | N/A |
| CAS No. | 1321-67-1 | Density | 1.181g/cm3 |
| PSA | 20.23000 | LogP | 2.54540 |
| Solubility | N/A | Melting Point |
122.5°C |
| Formula | C10H8 O | Boiling Point | 288°C at 760 mmHg |
| Molecular Weight | 144.18 | Flash Point | 144°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Poison by subcutaneous route. When heated to decomposition it emits acrid smoke and irritating fumes. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Naphthol(8CI); Hydroxynaphthalene; Naphthyl alcohol |
Naphthol Chemical Properties
Chemistry informtion about 2-Naphthol (CAS NO.1321-67-1) is:
IUPAC Name: Naphthalen-2-Ol
Synonyms: 2-Naphthol ; 2-Hydroxynaphthalene ; 2-Naphthalenol ; Isonaphthol ; Beta-hydroxynaphthalene ; Hydroxynaphthalene ; Naphthalenol ; Naphthyl alcohol ; Naphthyl
MF: C10H8O
MW: 0
EINECS: 215-322-9
Density: 1.181 g/cm3
Flash Point: 144 °C
Boiling Point: 288 °C at 760 mmHg
Vapour Pressure: 0.00139 mmHg at 25°C
Enthalpy of Vaporization: 54.84 kJ/mol
Following is the molecular structure of 2-Naphthol (CAS NO.1321-67-1) is:
Naphthol Uses
2-Naphthol (CAS NO.1321-67-1) are used directly in making several dyes and are converted into numerous corresponding amines, esters, ethers and carboxylic derivatives as well as into numerous sulfo- and nitro-group substituted (mono-, di- and tri) naphthol compounds. They find extensive applications in making dyes, pigments, fluorescent whiteners, tanning agents, antioxidants, and antiseptics.
Naphthol Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| dog | LDLo | subcutaneous | 333mg/kg (333mg/kg) | kidney, ureter, and bladder: hematuria | Znetralbaltt fuer die Medizinischen Wissenschaften. Vol. 19, Pg. 545, 1881. |
| rabbit | LDLo | subcutaneous | 1gm/kg (1000mg/kg) | kidney, ureter, and bladder: hematuria | Znetralbaltt fuer die Medizinischen Wissenschaften. Vol. 19, Pg. 545, 1881. |
Naphthol Safety Profile
Poison by subcutaneous route. When heated to decomposition it emits acrid smoke and irritating fumes.
Naphthol Specification
2-Naphthol (CAS NO.1321-67-1) is a colorless crystalline solid.It is an isomer of 1-naphthol, differing by the location of the hydroxyl group on naphthalene. The naphthols are naphthalene homologues of phenol, with the hydroxyl group being more reactive than in the phenols. Both isomers are soluble in simple alcohols, ethers, and chloroform. They can be used in the production of dyes and in organic synthesis. For example, 2-Naphthol reacts to form Binol.