2-Naphthaldehyde CAS#: 66-99-9; ChemWhat Code: 64657
Names & Identifiers |
| Product Name | 2-Naphthaldehyde |
| Synonyms | naphthalene-2-carbaldehyde;2-Naphthakdehyde;2-naphthaldehyde (beta);Naphthaldehyde,97%;B-NAPHTHALDEHYDE;2-NAPHTHALDEHYDE 98%;2-Naphthaldehyde,98%;2-Naphthaldehyde, 98% 25GR |
| CAS Registry Number | 66-99-9 |
| Molecular Formula | C11H8O |
| Molecular Weight | 156.18 |
| EINECS | 200-640-2 |
| Other Registry Numbers | ; |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
![]() |
|
Chemical & Physical Properties |
| Melting point | 58-61 °C(lit.) |
| Boiling Point | 160 °C (19 mmHg) |
| Density | 1.6211 |
| Flash Point | 160°C/19mm |
| Storage | ?20°C |
| form | Powder or Chunks |
| Color | Off-white to yellow or light beige |
| Water Solubility | Soluble in hot water. |
| Freezing Point | 1.0755 |
| Sensitive | Air Sensitive |
| BRN | 507750 |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | 2-Naphthalenecarboxaldehyde(66-99-9) |
| EPA Substance Registry System | 2-Naphthalenecarboxaldehyde(66-99-9) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | Xn,Xi |
| R Phrase | 36/37/38-22 |
| S Phrase | 22-24/25-36-26 |
| RIDADR | UN 3335 |
| WGK Germany | 3 |
| RTECS | QJ0190010 |
| F | 10-23 |
| HS Code | 29122900 |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
Buy Reagent | |
| No reagent supplier? | Send quick inquiry to ChemWhat |
| Want to be listed here as a reagent supplier? (Paid service) | Click here to contact ChemWhat |
Approved Manufacturers | |
| Want to be listed as an approved manufacturer (Requires approvement)? | Please download and fill out this form and send back to approved-manufacturers@chemwhat.com |
Other Suppliers | |
| Watson International Limited | Visit Watson Official Website |
Contact Us for Other Help | |
| Contact us for other information or services | Click here to contact ChemWhat |


