α-Naphtholbenzein
SIAL/70480
Synonym: 4,4′-(α-Hydroxybenzylidene)di-1-naphthol; p-naphtholbenzein
CAS Number: 145-50-6
Empirical Formula (Hill Notation): C27H18O2
Molecular Weight: 374.43
EC Number: 205-656-3
Linear Formula: C27H18O2
Product Type: Chemical
| form | powder |
| InChI | 1S/C27H18O2/c28-25-16-14- |
| InChI key | VDDWRTZCUJCDJM-PNHLSOANSA |
| mp | 230-235 °C (lit.) |
| Quality Level | 100 ![]() |
| SMILES string | Oc1ccc(C(c2ccccc2)=C3C= |
| technique(s) | UV/Vis spectroscopy: suitable |
| Application: | α-Naphtholbenzein has been used as indicator during sequential injection analysis technique done for acid-base titrations. |
| General description: | α-Naphtholbenzein is a dye generally used during acid-base titration method. |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 230-235 °C (lit.) |
| UNSPSC | 12352200 |

