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
InChI: 1S/C10H6Cl2O/c11-8-5-9(12)10(13)7-4-2-1-3-6(7)8/h1-5,13H
InChIKey: HVLJEMXDXOTWLV-UHFFFAOYSA-N
SMILES: Oc1c(Cl)cc(Cl)c2ccccc12
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
TSCA: TSCA listed
HS Code: 29081990
Storage Class: 11 - Combustible Solids
Hazard Classifications: Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

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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: $365
Updated: 2025/07/31

TCI Chemical

Product number: D0383
Product name: 2,4-Dichloro-1-naphthol [for photography]
Purity: >97.0%(GC)(T)
Packaging: 5g
Price: $42
Updated: 2025/07/31

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

Matrix Scientific

Product number: 095803
Product name: 2,4-Dichloronaphthalen-1-ol
Purity: 95+%
Packaging: 1g
Price: $38
Updated: 2021/12/16

Oakwood

Product number: 229060
Product name: 2,4-Dichloronaphthalen-1-ol
Purity: 99%
Packaging: 5g
Price: $55
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

Americas 1 Austria 2 China 49 Europe 1 Germany 1 India 2 Japan 3 Switzerland 1 United Kingdom 7 United States 20 Global 87

J & K SCIENTIFIC LTD.

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2050-76-2

C10H6Cl2O

Cl2C10H5OH

Building Blocks

Organic Building Blocks

Phenols

Oxygen Compounds

Organic Building Blocks

Oxygen Compounds

Phenols

Industrial/Fine Chemicals

Aromatic Halides (substituted)