ChemicalBook > CAS DataBase List > 2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL

2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL

Product Name: 2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL
CAS No.: 523-67-1
Chemical Name: 2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL
Synonyms: magon;XB-II;XYLIDYL BLUE II;Xylidine Blue II;XYLYLAZO VIOLET 2;XYLYLAZO VIOLET II;Xylene Azo Violet II;Xylidyl blue II, SpectrophotoMetric reagent for Mg;XylylazoVioletII[SpectrophotometricreagentforMg]>XYLYLAZO VIOLET 2 [SPECTROPHOTOMETRIC REAGENT FOR MG.]
CBNumber: CB3346299
Molecular Formula: C25H21N3O3
Formula Weight: 411.45
MOL File: 523-67-1.mol

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2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL Property

Melting point:: 247 °C
Boiling point:: 586.6±50.0 °C(Predicted)
Density: 1.26±0.1 g/cm3(Predicted)
pka: 8.50±0.30(Predicted)
form: powder to crystal
color: Orange to Amber to Dark red
CAS DataBase Reference: 523-67-1(CAS DataBase Reference)

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Safety

Risk Statements: 20/21/22-36/37/38
Safety Statements: 22-24/25
WGK Germany: 3
HS Code: 29215900

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TCI Chemical

Product number: A5006
Product name: Xylylazo Violet II [Spectrophotometric reagent for Mg]
Purity: >95.0%(HPLC)
Packaging: 1g
Price: $201
Updated: 2025/07/31

TCI Chemical

Product number: A5006
Product name: Xylylazo Violet II [Spectrophotometric reagent for Mg]
Purity: >95.0%(HPLC)
Packaging: 5g
Price: $615
Updated: 2025/07/31

American Custom Chemicals Corporation

Product number: DYE0000474
Product name: XYLYLAZO VIOLET II
Purity: 95.00%
Packaging: 1G
Price: $674.29
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: DYE0000474
Product name: XYLYLAZO VIOLET II
Purity: 95.00%
Packaging: 5G
Price: $1046.3
Updated: 2021/12/16

AK Scientific

Product number: 7846AJ
Product name: 2-[2-Hydroxy-3-(2,4-xylylcarbamoyl)-1-naphthylazo]phenol
Packaging: 5g
Price: $483
Updated: 2021/12/16

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2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL Chemical Properties,Usage,Production

Purification Methods

Suspend it in H2O and add aqueous NaOH until it dissolves, filter and acidify with dilute HCl. Collect the dye, dissolve it in hot EtOH (solubility is 100mg/L at ca 25o) concentrate to a small volume and allow to cool. The solubility of the Na salt in H2O is 0.4mg/mL. [Mann & Yoe Anal Chim Acta 16 155 1957, Mann & Yoe Anal Chem 28 202 1956.]

2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL Preparation Products And Raw materials

Raw materials

Preparation Products

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523-67-1, 2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOLRelated Search:

Naphthol AS BENZANILIDE Scarlet 808 Sudan I 3-AMINOBENZANILIDE XYLIDYL BLUE I SODIUM SALT Naphthol AS-D 3-AMINOBENZOYLMETHYLAMIDE 2-Hydroxy-3-naphtoamide 2,2'-DIHYDROXYAZOBENZENE 3-Aminobenzamide 6-Amino-2-methylphenol 1-(2-NAPHTHYL)METHANAMINE 2',4'-DIMETHYLACETANILIDE 2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL Salicylanilide Phenol XYLIDYL BLUE I

Xylidyl Blue II, 95%, Spectrophotometric reagent for Mg

(4Z)-N-(2,4-dimethylphenyl)-4-[(2-hydroxyphenyl)hydrazinylidene]-3-oxo-2-naphthalenecarboxamide

XYLYLAZO VIOLET II

XYLYLAZO VIOLET 2

XYLIDYL BLUE II

magon

2-[3-(2,4-DIMETHYLPHENYLAMINOCARBOXY)-2-HYDROXY-1-NAPHTHYLAZO]PHENOL

2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL

1-AZO-2-HYDROXY-3-(2,4-DIMETHYLCARBOXYANILIDO)NAPHTHALENE-1-(2-HYDROXYBENZENE)

3-hydroxy-4-[(2-hydroxyphenyl)azo]-N-(2,4-xylyl)naphthalene-2-carboxamide

XYLYLAZO VIOLET 2 [SPECTROPHOTOMETRIC REAGENT FOR MG.]

Xylylazo Violet II [Spectrophotometric reagent for Mg]

Xylidyl blue II, 3-Hydroxy-4-(2-hydroxyphenylazo)-2-naphthoyl-2,4-dimethylanilide

3-Hydroxy-4-(2-hydroxyphenylazo)-N-(2,4-dimethylphenyl)-2-naphthalenecarboxamide

3-Hydroxy-4-(2-hydroxyphenylazo)-N-(2,4-dimethylphenyl)naphthalene-2-carboxamide

N-(2,4-Dimethylphenyl)-2-hydroxy-1-(2-hydroxyphenylazo)-3-naphthamide

XB-II

Xylidine Blue II

Xylidyl blue II, SpectrophotoMetric reagent for Mg

1-Azo-2-hydroxy-3-(2,4-dimethylcarboxyanilido)naphthalene-1-(2-hydroxybenzene) 2-[2-Hydroxy-3-(2,4-xylylcarbamoyl)-1-naphthylazo]phenol Xylidyl Blue II

XylylazoVioletII[SpectrophotometricreagentforMg]&gt

2-Naphthalenecarboxamide, N-(2,4-dimethylphenyl)-3-hydroxy-4-[2-(2-hydroxyphenyl)diazenyl]-

3-Hydroxy-4-[(2-hydroxyphenyl)azo]-N-(2,4-xylyl)naphthalin-2-carboxamid

N-(2,4-dimethylphenyl)-3-hydroxy-4-((2-hydroxyphenyl)diazenyl)-2-naphthamide

Xylene Azo Violet II

523-67-1

C25H21N3O3

Azo Compounds

Chelating Reagents

Naphthylazo Compounds

Analytical Chemistry

Azo Compounds

Chelating Reagents

Naphthylazo Compounds