Bioactivity | α-Naphtholbenzein (p-Naphtolbenzein) is a dye. α-Naphtholbenzein can be used as a pH indicator. α-Naphtholbenzein has a visual transition from yellow (pH0-8.2) to turquoise (pH10). α-Naphtholbenzein is often used during sequential injection analysis technique done for acid-base titrations[1]. |
Name | α-Naphtholbenzein |
CAS | 145-50-6 |
Formula | C27H18O2 |
Molar Mass | 374.43 |
Transport | Room temperature in continental US; may vary elsewhere. |
Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
Reference | [1]. Maskula S, et al. Titration of strong and weak acids by sequential injection analysis technique. Talanta. 2000 May 31;52(1):91-9. |