| Identification | More | [Name]
ALPHA-NAPHTHOLBENZEIN | [CAS]
6948-88-5 | [Synonyms]
1-NAPHTHOLBENZEIN
4,4'-[ALPHA-HYDROXYBENZYLIDENE]-DI-1-NAPHTHOL
ALPHA-NAPHTHOLBENZEIN
BIS(4-HYDROXY-1-NAPHTHYL)PHENYLMETHANOL
Bis-(4-hydroxy-1-naphtyl)phenylmethanol
LABOTEST-BB LT00441167
P-NAPHTHOLBENZEIN
α-Naphtholbenzein
4-hydroxy-alpha-(4-hydroxynaphthyl)-alpha-phenylnaphthalene-1-methanol
1-NAPHTHOLBENZEIN R. G., REAG. PH. EUR., INDICATOR FOR NON-AQUEOUS SYSTEMS
alpha-hydroxy-alpha-(4-hydroxy-1-naphthalenyl)-alpha-phenyl-1-naphthalenemethanol
4,4'-[Phenyl(hydroxy)methylene]bis(1-naphthol)
4-Hydroxy-α-(4-hydroxy-1-naphthalenyl)-α-phenyl-1-naphthalenemethanol
4-Hydroxy-α-(4-hydroxy-1-naphtyl)-α-phenyl-1-naphthalenemethanol
4-Hydroxy-α-(4-hydroxynaphthalen-1-yl)-α-phenyl-1-naphthalenemethanol
α-Naphthobenzein | [EINECS(EC#)]
230-116-9 | [Molecular Formula]
C27H20O3 | [MDL Number]
MFCD00003979 | [Molecular Weight]
392.45 | [MOL File]
6948-88-5.mol |
| Chemical Properties | Back Directory | [Appearance]
RED-BROWN POWDER | [Melting point ]
230-235 °C(lit.) | [Boiling point ]
477.16°C (rough estimate) | [density ]
1.1098 (rough estimate) | [refractive index ]
1.5460 (estimate) | [form ]
Powder | [pka]
9.14±0.40(Predicted) | [color ]
Red-brown | [PH Range]
8.5(YELLOW)-9.8(GREEN) | [CAS DataBase Reference]
6948-88-5(CAS DataBase Reference) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [WGK Germany ]
3
| [F ]
10-21 | [HS Code ]
29071590 |
| Hazard Information | Back Directory | [Chemical Properties]
RED-BROWN POWDER | [Uses]
α-Naphtholbenzein can be used as an indicator during non-aqueous titration. | [Purification Methods]
-{4-hydroxynaphth-1-yl})-benzyl alcohol] B2319 M 392.5, m 122-125o, ~ 9.3. Crystallise the alcohol from EtOH, aqueous EtOH or glacial acetic acid. pKEst [Beilstein 6 H 1150.B2319] |
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