a-Naphtholbenzein (Technical Grade)

4-[(4-hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one

Also Known As: p-Naphtholbenzein|alpha-Naphtholbenzein|Naphtholbenzein Impurity 1|Naphtholbenzein Impurity 2|NPE1008|a-Naphtholbenzein (Technical Grade)|EINECS 205-656-3|a-Naphtholbenzein, Indicator (pH 8.2-10.0)|1(4H)-Naphthalenone, 4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]-|(E)-4-((4-hydroxynaphthalen-1-yl)(phenyl)methylene)naphthalen-1(4H)-one|4-[(4-hydroxy-1-naphthyl)-phenyl-methylene]naphthalen-1-one|4-[(4-hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one|1(4h)-naftalenona, 4-[(4-hidroxi-1-naftalenil)fenilmetileno]-|1(4H)-Naphthalenone,4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]-|4-(alpha-(4-Hydroxy-1-naphthyl)benzylidene)naphthalen-1(4H)-one|(4E)-4-[(4-hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one|(Z)-4-((4-hydroxynaphthalen-1-yl)(phenyl)methylene)naphthalen-1(4H)-one|1(4H)-Naphthalenone, 4-((4-hydroxy-1-naphthalenyl)phenylmethylene)-|4-((4-Hydroxynaphthalen-1-yl)(phenyl)methylene)naphthalen-1(4H)-one|4-[(4-Hydroxynaphthalen-1-yl)(phenyl)methylidene]naphthalen-1(4H)-one|4-[(4-HYDROXYNAPHTHALEN-1-YL)(PHENYL)METHYLIDENE]NAPHTHALEN-1-ONE|(4E)-4-[(4-HYDROXYNAPHTHALEN-1-YL)(PHENYL)METHYLIDENE]NAPHTHALEN-1-ONE|(4E)-4-[(4-HYDROXYNAPHTHALEN-1-YL)-PHENYL-METHYLIDENE]NAPHTHALEN-1-ONE|4-[(4-Hydroxy-1-naphthalenyl)phenylmethylene]-1(4H)-naphthalenone; NSC 9862; p-Naphtholbenzein; alpha-Naphtholbenzein|Reagecon Naphtholbenzein Solution according to European Pharmacopoeia (EP) Chapter 4 (4.1.1)

Molecular Formula	C27H18O2
Molecular Weight	374.13068 g/mol
LogP	6.26
Topological Polar Surface Area	37.3 Ų
Hydrogen Bond Donors	1
Hydrogen Bond Acceptors	2
Rotatable Bonds	2
Exact Mass	374.13068
Heavy Atoms	29
Complexity	1311.0

Chemical Identifiers

CAS Number	145-50-6
SMILES	C1=CC=C(C=C1)C(=C2C=CC(=O)C3=CC=CC=C23)C4=CC=C(C5=CC=CC=C54)O