ALPHA-NAPHTHOLBENZEIN

ALPHA-NAPHTHOLBENZEIN
  • CAS No.:6948-88-5
Other grades of this product :
ALPHA-NAPHTHOLBENZEIN Basic information
Product Name:ALPHA-NAPHTHOLBENZEIN
Synonyms:α-Naphtholbenzein;LABOTEST-BB LT00441167;BIS(4-HYDROXY-1-NAPHTHYL)PHENYLMETHANOL;Bis-(4-hydroxy-1-naphtyl)phenylmethanol;1-NAPHTHOLBENZEIN;4,4'-[ALPHA-HYDROXYBENZYLIDENE]-DI-1-NAPHTHOL;4-hydroxy-alpha-(4-hydroxynaphthyl)-alpha-phenylnaphthalene-1-methanol;1-NAPHTHOLBENZEIN R. G., REAG. PH. EUR., INDICATOR FOR NON-AQUEOUS SYSTEMS
CAS:6948-88-5
MF:C27H20O3
MW:392.45
EINECS:230-116-9
Product Categories:
Mol File:6948-88-5.mol
ALPHA-NAPHTHOLBENZEIN Chemical Properties
Melting point 230-235 °C(lit.)
Boiling point 477.16°C (rough estimate)
density 1.1098 (rough estimate)
refractive index 1.5460 (estimate)
storage temp. Amber Vial, Room Temperature
solubility DMSO (Slightly), Methanol (Slightly)
pka9.14±0.40(Predicted)
form Powder
color Red-brown
PH Range8.5(YELLOW)-9.8(GREEN)
CAS DataBase Reference6948-88-5(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36-24/25
WGK Germany 3
10-21
HS Code 29071590
MSDS Information
ProviderLanguage
SigmaAldrich English
ACROS English
ALPHA-NAPHTHOLBENZEIN Usage And Synthesis
Chemical PropertiesRED-BROWN POWDER
Usesα-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]
ALPHA-NAPHTHOLBENZEIN Preparation Products And Raw materials

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