2-Hydroxy-1-naphthaldehyde
- CAS NO.：708-06-5
- Empirical Formula: C11H8O2
- Molecular Weight: 172.18
- MDL number: MFCD00004005
- EINECS: 211-902-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-04-16 14:59:45
What is 2-Hydroxy-1-naphthaldehyde?
Chemical properties
Powder
The Uses of 2-Hydroxy-1-naphthaldehyde
2-Hydroxy-1-naphthaldehyde is used in Merrified-type synthesis to deterime free amino acid groups in polymers.
Definition
ChEBI: 2-hydroxy-1-naphthaldehyde is a member of the class of naphthaldehydes that is naphthalene-1-carbaldehyde substituted by a hydroxy group at position 2. Active core of sirtinol (CHEBI:73158). It is a member of naphthaldehydes and a member of naphthols.
Purification Methods
Crystallise the aldehyde from EtOH (1.5mL/g), aqueous EtOH, aqueous AcOH (m 84o), EtOAc or H2O. [Russell & Lockhart Org Synth Coll Vol III 463 1955, Beilstein 8 H 143, 8 I 564, 8 II 171, 8 III 1108, 8 IV 1160.]
Properties of 2-Hydroxy-1-naphthaldehyde
| Melting point: | 76-80 °C (lit.) |
| Boiling point: | 192 °C/27 mmHg (lit.) |
| Density | 1.1153 (rough estimate) |
| vapor pressure | 0.002Pa at 20℃ |
| refractive index | 1.5500 (estimate) |
| Flash point: | 191-193°C/27mm |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Chloroform, Methanol |
| form | Crystalline Moist Powder |
| pka | 8.27±0.50(Predicted) |
| color | Yellow |
| Water Solubility | Soluble in water (40 g/L at 20°C). |
| Sensitive | Air Sensitive |
| BRN | 742777 |
| CAS DataBase Reference | 708-06-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Naphthalenecarboxaldehyde, 2-hydroxy-(708-06-5) |
| EPA Substance Registry System | 1-Naphthalenecarboxaldehyde, 2-hydroxy- (708-06-5) |
Safety information for 2-Hydroxy-1-naphthaldehyde
| Signal word | Warning |
| Pictogram(s) |
 Environment GHS09 |
| GHS Hazard Statements |
H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P391:Collect spillage. Hazardous to the aquatic environment P501:Dispose of contents/container to..… |
Computed Descriptors for 2-Hydroxy-1-naphthaldehyde
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