beta-naphthol
2-hydroxynaphthalene
Identification
| Name | beta-naphthol |
| IUPAC | naphthalen-2-ol |
| CAS Number | 135-19-3 |
| EINECS | 205-182-7 |
| FDA UNII | P2Z71CIK5H |
| Molecular Formula | C10 H8 O |
| Molecular Weight | 144.17296000 |
| MDL Number | MFCD00004067 |
| Nikkaji Number | J2.530E |
| Beilstein | 742134 |
| XlogP3 | 2.70 (est) |
Regulatory
| FDA Mainterm (IAUFC) | 135-19-3 ; BETA-NAPHTHOL |
Physical Properties
| Appearance | colorless crystalline solid (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | 122.30 °C. @ 760.00 mm Hg |
| Boiling Point | 285.00 to 286.00 °C. @ 760.00 mm Hg, 145.00 to 146.00 °C. @ 10.00 mm Hg |
| Vapor Pressure | 0.002000 mmHg @ 25.00 °C. (est) |
| Flash Point | 291.00 °F. TCC ( 144.00 °C. ) (est) |
| logP (o/w) | 2.700 |
| Soluble in | water, 755 mg/L @ 25 °C (exp) |
No sensory data available
Safety Information
| Preferred SDS | View |
| Oral/Parenteral Toxicity | oral-cat LDLo 100 mg/kg |
| Dermal Toxicity | subcutaneous-guinea pig LDLo 2670 mg/kg |
| Inhalation Toxicity | inhalation-rat LC50 > 770 mg/m3/1H |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | pharmaceuticals / chemical synthisis |
| Recommendation for beta-naphthol usage levels up to | not for fragrance use. |
| Recommendation for beta-naphthol flavor usage levels up to | not for flavor use. |
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