DECAHYDRO-2-NAPHTHOL
Synonym(s):2-Decalol
- CAS NO.：825-51-4
- Empirical Formula: C10H18O
- Molecular Weight: 154.25
- MDL number: MFCD00004132
- EINECS: 212-545-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:12:49
What is DECAHYDRO-2-NAPHTHOL?
Chemical properties
white to light yellow weak paste. Mild, sweet, slightly camphoraceous-woody, also warm and mildly spicy odor of fair tenacity. The odor has been compared to that of Dihydrocarveol. Practically insoluble in water, soluble in alcohol and oils.
The Uses of DECAHYDRO-2-NAPHTHOL
This alcohol has been used, and is still used on a modest scale, in perfume compositions, mostly in connection with woody and camphoraceous fragrance types, including the lonones, Cyclohexylderivatives, etc.
Production Methods
Decahydro-2-naphthol is produced by catalytic hydrogenation of befa-Naphthol. The reaction yields a mixture of cis- and tram-isomers, but the perfumers generally prefer the tram-isomer, or a material primarily consisting of that isomer.
Synthesis Reference(s)
Tetrahedron Letters, 22, p. 941, 1981 DOI: 10.1016/0040-4039(81)89014-4
Properties of DECAHYDRO-2-NAPHTHOL
| Boiling point: | 109 °C/14 mmHg (lit.) |
| Density | 0.996 g/mL at 25 °C (lit.) |
| vapor density | >1 (vs air) |
| refractive index | n |
| Flash point: | >230 °F |
| Water Solubility | Insoluble in water |
| Melting point: | 99-100 °C |
| form | powder to lump to clear liquid |
| pka | 15.34±0.20(Predicted) |
| color | White or Colorless to Light yellow |
| Odor | at 100.00 %. clean rose minty muguet |
| BRN | 773927 |
| CAS DataBase Reference | 825-51-4(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Naphthalenol, decahydro- (825-51-4) |
Safety information for DECAHYDRO-2-NAPHTHOL
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for DECAHYDRO-2-NAPHTHOL
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