ChemicalBook > CAS DataBase List > 2,4-DICHLORO-1-NAPHTHOL

2,4-DICHLORO-1-NAPHTHOL

Product Name
2,4-DICHLORO-1-NAPHTHOL
CAS No.
2050-76-2
Chemical Name
2,4-DICHLORO-1-NAPHTHOL
Synonyms
AURORA KA-5007;[for photography];2,4-DICHLORONAPHTHOL;2,4-DICHLORO-1-NAPHTHOL;2,4-dichloro-1-naphthaleno;2,4-Dichloro-1-naphthol,99%;2,4-Dichloronaphthalen-1-ol;2,4-DICHLORO-1-NAPHTHOL 99%;2,4-dichloro-1-Naphthalenol;1-Naphthalenol,2,4-dichloro-
CBNumber
CB3396885
Molecular Formula
C10H6Cl2O
Formula Weight
213.06
MOL File
2050-76-2.mol
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2,4-DICHLORO-1-NAPHTHOL Property

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)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
HS Code 
29081990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
251976
Product name
2,4-Dichloro-1-naphthol
Purity
95%
Packaging
25g
Price
$354
Updated
2024/03/01
TCI Chemical
Product number
D0383
Product name
2,4-Dichloro-1-naphthol [for photography]
Purity
>97.0%(GC)(T)
Packaging
5g
Price
$42
Updated
2024/03/01
TCI Chemical
Product number
D0383
Product name
2,4-Dichloro-1-naphthol [for photography]
Purity
>97.0%(GC)(T)
Packaging
25g
Price
$110
Updated
2022/04/27
AK Scientific
Product number
0527AB
Product name
2,4-Dichloronaphthalen-1-ol
Packaging
5g
Price
$157
Updated
2021/12/16
Matrix Scientific
Product number
095803
Product name
2,4-Dichloronaphthalen-1-ol
Purity
95+%
Packaging
10g
Price
$158
Updated
2021/12/16
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2,4-DICHLORO-1-NAPHTHOL Chemical Properties,Usage,Production

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 Preparation Products And Raw materials

Raw materials

Preparation Products

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2,4-DICHLORO-1-NAPHTHOL Suppliers

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2050-76-2, 2,4-DICHLORO-1-NAPHTHOLRelated Search:


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