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Basic Information
CAS No.: 571-57-3
Name: 4-BROMO-L-NAPHTHOL
Molecular Structure:
Molecular Structure of 571-57-3 (4-BROMO-L-NAPHTHOL)
Formula: C10H7 Br O
Molecular Weight: 223.069
Synonyms: 1-Naphthol,4-bromo- (7CI,8CI); 4-Bromo-1-naphthol; 4-Bromo-a-naphthol; 4-Bromonaphthalen-1-ol
Density: 1.614
Melting Point: 128-133°C
Boiling Point: 346.4±15.0 °C(Predicted)
Flash Point: 125℃
PSA: 20.23000
LogP: 3.30790
Synthetic route
90-15-3

α-naphthol

A

571-57-3

4-bromo-1-naphthol

B

2050-49-9

2,4-dibromo-1-naphthol

Conditions
ConditionsYield
With bis(trichloromethyl) carbonate; tetrabutylammomium bromide; potassium bromide In 1,2-dichloro-ethane at 40℃;A 99%
B n/a
With Diethyl 2-bromomalonate at 100℃; for 48h; Product distribution; Further Variations:; Reagents;A 48%
B 51%
90-15-3

α-naphthol

571-57-3

4-bromo-1-naphthol

Conditions
ConditionsYield
With N-Bromosuccinimide In acetonitrile at 20℃; for 3.5h;96%
With N-Bromosuccinimide In acetonitrile at 20℃; for 4h;96%
With tetra-N-butylammonium tribromide In chloroform for 0.0333333h;95%
90-15-3

α-naphthol

A

571-57-3

4-bromo-1-naphthol

B

771-15-3

2-bromo-1-naphthol

Conditions
ConditionsYield
With N-Bromosuccinimide In acetonitrile for 1h; Ambient temperature;A 94%
B 3%
With N-Bromosuccinimide In carbon disulfide for 1h; Ambient temperature;A 9%
B 86%
With N-Bromosuccinimide In acetonitrile at 25℃; for 1h;A 52%
B 24%

trans,trans,trans-2,3,4-tribromo-1-hydroxytetralin

571-57-3

4-bromo-1-naphthol

Conditions
ConditionsYield
at 20℃; for 336000h;90%
90-15-3

α-naphthol

A

571-57-3

4-bromo-1-naphthol

B

2050-49-9

2,4-dibromo-1-naphthol

C

771-15-3

2-bromo-1-naphthol

Conditions
ConditionsYield
With 4-(tribromomethyl)quinazoline; trifluoroacetic acid In benzene Heating;A 6%
B 10%
C 80%
5796-98-5

bis-trimethylsilanyl peroxide

83-53-4

1,4-dibromonaphthalene

571-57-3

4-bromo-1-naphthol

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane54%
90-15-3

α-naphthol

22024-99-3

2-nitrobenzenesulfenyl bromide

A

571-57-3

4-bromo-1-naphthol

B

78315-86-3

1-hydroxy-4-(2-nitrophenylthio)naphthalene

Conditions
ConditionsYield
In nitrobenzene at 50℃; for 48h;A 21%
B 48%
90-15-3

α-naphthol

A

571-57-3

4-bromo-1-naphthol

B

78315-86-3

1-hydroxy-4-(2-nitrophenylthio)naphthalene

Conditions
ConditionsYield
With 2-nitrobenzenesulfenyl bromide In nitrobenzene at 50℃; for 48h;A 21%
B 48%
90-15-3

α-naphthol

5857-73-8

2,4-dinitrobenzenesulfenyl bromide

A

571-57-3

4-bromo-1-naphthol

B

1-hydroxy-4-(2,4-dinitrophenylthio)naphthalene

Conditions
ConditionsYield
In nitrobenzeneA n/a
B 27%
507-19-7

t-butyl bromide

90-15-3

α-naphthol

A

571-57-3

4-bromo-1-naphthol

B

771-15-3

2-bromo-1-naphthol

Conditions
ConditionsYield
With dimethyl sulfoxide
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Chemistry


IUPAC Name: 4-Bromonaphthalen-1-ol
Molecular Formula: C10H7BrO
Molecular Weight: 223.066 g/mol
Canonical SMILES: Brc2ccc(O)c1ccccc12
InChI: InChI=1/C10H7BrO/c11-9-5-6-10(12)8-4-2-1-3-7(8)9/h1-6,12H
Mol File: 571-57-3.mol
XLogP3: 4 
Heavy Atom Count: 12 
Complexity: 160
H bond acceptors: 1
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 9.23
Index of Refraction: 1.704
Molar Refractivity: 53.66 cm3
Molar Volume: 138.1 cm3
Polarizability: 21.27×10-24 cm3
Surface Tension: 55.2 dyne/cm
Density: 1.614 g/cm3
Flash Point: 163.3 °C
Enthalpy of Vaporization: 61.39 kJ/mol
Boiling Point: 346.4 °C at 760 mmHg
Vapour Pressure of 4-Bromo-l-naphthol (CAS NO.571-57-3): 2.89E-05 mmHg at 25 °C

Specification

 4-Bromo-l-naphthol (CAS NO.571-57-3), its Synonyms are 4-Bromo-1-naphthol ; 4-Bromonaphthalene-1-ol ; 4-Bromo-1-naphthalenol .