2-Naphthaldehyde
Synonym(s):β-Naphthaldehyde
- CAS NO.：66-99-9
- Empirical Formula: C11H8O
- Molecular Weight: 156.18
- MDL number: MFCD00004094
- EINECS: 200-640-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-11-11 09:53:17
What is 2-Naphthaldehyde?
Chemical properties
Pink crystalline
The Uses of 2-Naphthaldehyde
2-Naphthaldehyde aids in stereo-selective formation of bicyclo 2-siloxy-2-alkoxyoxetanes. It is also used as catalytic agent and petrochemical additive.
The Uses of 2-Naphthaldehyde
2-Naphthaldehyde can be used as a reactant:
- In proline catalyzed aldol reaction.
- In asymmetric three-component Mannich reaction.
- For the synthesis of Hantzsch 1,4-dihydropyridines.13}
- Asymmetric benzoin condensation reaction.
- For the synthesis of pyrazolo[1,2?b]phthalazinediones.
- For the synthesis C60 by flash vacuum pyrolysis.
Definition
ChEBI: A naphthaldehyde that is naphthalene substituted by a formyl group at position 2.
Synthesis Reference(s)
Synthesis, p. 470, 1996 DOI: 10.1055/s-1996-4246
Purification Methods
Distil 2-naphthaldehyde with steam then crystallise it from water or EtOH. [Beilstein 7 IV 1288.]
Properties of 2-Naphthaldehyde
| Melting point: | 58-61 °C (lit.) |
| Boiling point: | 160 °C (19 mmHg) |
| Density | 1.6211 |
| refractive index | 1.6211 (estimate) |
| Flash point: | 160°C/19mm |
| storage temp. | -20°C |
| solubility | Chloroform, Methanol (Sparingly) |
| form | Powder or Chunks |
| color | Off-white to yellow or light beige |
| Water Solubility | Soluble in hot water. |
| FreezingPoint | 1.0755 |
| Sensitive | Air Sensitive |
| BRN | 507750 |
| CAS DataBase Reference | 66-99-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Naphthalenecarboxaldehyde(66-99-9) |
| EPA Substance Registry System | 2-Naphthalenecarboxaldehyde (66-99-9) |
Safety information for 2-Naphthaldehyde
| Signal word | Warning |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for 2-Naphthaldehyde
| InChIKey | PJKVFARRVXDXAD-UHFFFAOYSA-N |
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