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1-Naphthol, 99%, Thermo Scientific Chemicals
Description
1-Naphthol is used as a precursor in the manufacturing of various azo dyes and pharmaceuticals such as nadolol. It is used as biomarkers. It is used in analytical chemistry as Molisch’s reagent (1-naphthol dissolved in ethanol) for checking the presence of carbohydrates. It plays an essential role with sodium hypobromite to detect the presence of arginine in proteins, which is called as Sakaguchi test.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
1-Naphthol is used as a precursor in the manufacturing of various azo dyes and pharmaceuticals such as nadolol. It is used as biomarkers. It is used in analytical chemistry as Molisch’s reagent (1-naphthol dissolved in ethanol) for checking the presence of carbohydrates. It plays an essential role with sodium hypobromite to detect the presence of arginine in proteins, which is called as Sakaguchi test.
Solubility
Soluble in benzene, chloroform, ether and ethanol.
Notes
Air and light sensitive. Store in a cool place. Incompatible with strong bases and strong oxidizing agents.
Specifications
Specifications
| Melting Point | 95°C to 97°C |
| Density | 1.28 |
| Boiling Point | 278°C to 280°C |
| Flash Point | 125°C (257°F) |
| Odor | Weak, Phenol-like |
| Quantity | 100 g |
| UN Number | UN2811 |
| Beilstein | 1817321 |
| Sensitivity | Air and light sensitive |
| Merck Index | 14,6383 |
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Safety and Handling
- 1-Naphthol
- Danger
- Acute toxicity Category 4
- Serious eye damage/eye irritation Category 1
- Skin corrosion/irritation Category 2
- Specific target organ toxicity Category 3
- H302-Harmful if swallowed.
- H312-Harmful in contact with skin.
- H315-Causes skin irritation.
- H318-Causes serious eye damage.
- H335-May cause respiratory irritation.
- P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P310-Immediately call a POISON CENTER/doctor/.
- MIXTURE LIST-Contains : .alpha.-Naphthol
RUO – Research Use Only
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