2,4-DICHLORO-1-NAPHTHOL

2,4-DICHLORO-1-NAPHTHOL Basic information
Product Name:2,4-DICHLORO-1-NAPHTHOL
Synonyms:2,4-DICHLORONAPHTHOL;2,4-DICHLORO-1-NAPHTHOL 99%;2,4-Dichloro-1-naphthol [for photography];2,4-Dichloronaphthalen-1-ol;2,4-Dichloro-1-naphthol,99%;[for photography];2,4-Dichloro-1-naphthol ;AURORA KA-5007
CAS:2050-76-2
MF:C10H6Cl2O
MW:213.06
EINECS:218-103-6
Product Categories:Organic Building Blocks;Oxygen Compounds;Phenols;Industrial/Fine Chemicals;Aromatic Halides (substituted)
Mol File:2050-76-2.mol
2,4-DICHLORO-1-NAPHTHOL Structure
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 Reference2050-76-2(CAS DataBase Reference)
EPA Substance Registry System1-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 Information
ProviderLanguage
ACROS English
SigmaAldrich English
2,4-DICHLORO-1-NAPHTHOL Usage And Synthesis
Chemical Propertiesbeige-yellowish crystalline powder
Uses2,4-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 MethodsCrystallise 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.]
3,4-Dichloro-2-naphthol 1-Naphthol 2-Chlorophenol 1-Chloronaphthalene 2,4-DICHLORO-1-NAPHTHOL 5,8-dichloro-1-naphthol 2,4-Dichlorophenol 4-CHLORO-1-NAPHTHOL 2-Chloronaphthalene 4-Chlorophenol

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