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ALPHA-NAPHTHOLBENZEIN

ALPHA-NAPHTHOLBENZEIN Structure
CAS No.
6948-88-5
Chemical Name:
ALPHA-NAPHTHOLBENZEIN
Synonyms
4-hydroxy-B1;α-Naphthobenzein;1-NAPHTHOLBENZEIN;α-Naphtholbenzein;P-naphthol benzene;ALPHA-NAPHTHOLBENZEI;LABOTEST-BB LT00441167;-(4-hydroxynaphthyl)-B1;P-naphthol benzene indicator;-phenylnaphthalene-1-methanol
CBNumber:
CB6276669
Molecular Formula:
C27H20O3
Molecular Weight:
392.45
MOL File:
6948-88-5.mol
MSDS File:
SDS
Modify Date:
2023/4/23 13:52:06

ALPHA-NAPHTHOLBENZEIN 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)
pka 9.14±0.40(Predicted)
form Powder
color Red-brown
PH Range 8.5(YELLOW)-9.8(GREEN)
CAS DataBase Reference 6948-88-5(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-24/25
WGK Germany  3
10-21
HS Code  29071590

ALPHA-NAPHTHOLBENZEIN Chemical Properties,Uses,Production

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]

ALPHA-NAPHTHOLBENZEIN Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 126)Suppliers
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CHEMSWORTH +91-261-2397244 New Delhi, India 6707 30 Inquiry
ALPHA CHEMIKA +91-22-22061123 +91-22-66382501 Mumbai, India 1681 43 Inquiry
Scientific OEM +91-22- 2343 7546 / 2341 3094 New Delhi, India 1996 38 Inquiry
Delta Finechem 08980178346 Vadodara, India 15 58 Inquiry
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CONIER CHEM AND PHARMA LIMITED +8618523575427 China 49391 58 Inquiry
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Hefei TNJ Chemical Industry Co.,Ltd. 0551-65418671 China 34571 58 Inquiry
Aromsyn Co., Ltd. +86-0571-85585865 +8613336024896 China 19185 58 Inquiry
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 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 p-Naphtholbenzein 〔α-Naphtholbenzein〕 Bis-(4-hydroxy-1-naphtyl)phenylMethanol 5GR 4,4'-(hydroxy(phenyl)Methylene)bis(naphthalen-1-ol) 4-Hydroxy-alpha-(4-hydroxy-1-naphthalenyl)-alpha-phenyl-1-naphthalenemethanol ALPHA-NAPHTHOLBENZEI Bis-(4-hydroxy-1-naphthyl)phenylmethanol, indicator P-naphthol benzene 1-Naphthalenemethanol, 4-hydroxy-α-(4-hydroxy-1-naphthalenyl)-α-phenyl- α-Naphtholbenzein DISCONTINUED. Please see N369005. P-naphthol benzene indicator 4-hydroxy-α-(4-hydroxynaphthyl)-α-phenylnaphthalene-1-meth... -(4-hydroxynaphthyl)-B1 4-hydroxy-B1 -phenylnaphthalene-1-methanol 4-hydroxy-α-(4-hydroxynaphthyl)-α-phenylnaphthalene-1-methanol 4,4'-(alpha-Hydroxybenzylidene)di-1-naphthol 6948-88-5 C27H20O3