2,4-DICHLORO-1-NAPHTHOL Chemical Properties

Melting point:

104-107 °C(lit.)

Boiling point:

305.89°C (rough estimate)

Density 

1.2937 (rough estimate)

vapor density 

7.3 (vs air)

refractive index 

1.5500 (estimate)

storage temp. 

2-8°C

solubility 

pyridine: soluble5%, clear, colorless to dark yellow

form 

powder

color 

off-white to tan

CAS DataBase Reference

2050-76-2(CAS DataBase Reference)

EPA Substance Registry System

1-Naphthalenol, 2,4-dichloro- (2050-76-2)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

HS Code 

29081990

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich

2,4-DICHLORO-1-NAPHTHOL Usage And Synthesis

Chemical Properties

beige-yellowish crystalline powder

Uses

2,4-Dichloro-1-naphthol has been used in:

• spectrophotometric determination of arginine with previous modifications of the Sakaguchi reaction
• guanidinoacetate and guanidinosuccinate assay of urine, an indicator of kidney dysfunction

Purification Methods

Crystallise the naphthol pKEst from MeOH. The 1-methyl ether has m 58o (from EtOH). [Beilstein 6 H 612, 6 I 308, 6 II 582, 6 III 2934, 6 IV 4233.]

2,4-DICHLORO-1-NAPHTHOL(2050-76-2)Related Product Information

• 5,8-dichloro-1-naphthol
• 3,4-Dichloro-2-naphthol
• 1-Chloronaphthalene
• 2-Chloronaphthalene
• 4-CHLORO-1-NAPHTHOL
• 2-Chlorophenol
• 2,4-DICHLORO-1-NAPHTHOL
• 4-Chlorophenol
• 2,4-Dichlorophenol
• 1-Naphthol