alpha-Naphtholphthalein
- Product Namealpha-Naphtholphthalein
- CAS596-01-0
- MFC28H18O4
- MW418.44
- EINECS209-875-5
- MOL File596-01-0.mol
Chemical Properties
| Melting point | 238-240 °C(lit.) |
| Boiling point | 496.21°C (rough estimate) |
| Density | 1.1532 (rough estimate) |
| bulk density | 350kg/m3 |
| vapor density | 14.44 (vs air) |
| refractive index | 1.6400 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | Solubility Practically insoluble in water; soluble in ethanol |
| pka | 8.0, 8.2, 8.5(at 25℃) |
| form | Powder |
| color | Pink to beige or brown |
| PH Range | 7.1(brownish)-8.3(blue/green) |
| PH | pH : 7.1～8.7 |
| Odor | Characteristic odour |
| Water Solubility | Soluble in ethanol. Insoluble in water. |
| λmax | 648nm |
| Merck | 14,6389 |
| BRN | 97816 |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| HS Code | 32041900 |
| Storage Class | 11 - Combustible Solids |
