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

2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL Struktur
523-67-1
CAS-Nr.
523-67-1
Bezeichnung:
3-Hydroxy-4-[(2-hydroxyphenyl)azo]-N-(2,4-xylyl)naphthalin-2-carboxamid
Englisch Name:
2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL
Synonyma:
magon;XB-II;XYLIDYL BLUE II;Xylidine Blue II;XYLYLAZO VIOLET 2;XYLYLAZO VIOLET II;Xylidyl blue II, SpectrophotoMetric reagent for Mg;XylylazoVioletII[SpectrophotometricreagentforMg]>Xylylazo Violet II [Spectrophotometric reagent for Mg];XYLYLAZO VIOLET 2 [SPECTROPHOTOMETRIC REAGENT FOR MG.]
CBNumber:
CB3346299
Summenformel:
C25H21N3O3
Molgewicht:
411.45
MOL-Datei:
523-67-1.mol
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3-Hydroxy-4-[(2-hydroxyphenyl)azo]-N-(2,4-xylyl)naphthalin-2-carboxamid Eigenschaften

Schmelzpunkt:
247 °C
Siedepunkt:
586.6±50.0 °C(Predicted)
Dichte
1.26±0.1 g/cm3(Predicted)
pka
8.50±0.30(Predicted)
Aggregatzustand
powder to crystal
Farbe
Orange to Amber to Dark red
CAS Datenbank
523-67-1(CAS DataBase Reference)

Sicherheit

R-Sätze: 20/21/22-36/37/38
S-Sätze: 22-24/25
WGK Germany  3
HS Code  29215900

3-Hydroxy-4-[(2-hydroxyphenyl)azo]-N-(2,4-xylyl)naphthalin-2-carboxamid Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:

R20/21/22:Gesundheitsschädlich beim Einatmen,Verschlucken und Berührung mit der Haut.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.

S-Sätze Betriebsanweisung:

S22:Staub nicht einatmen.
S24/25:Berührung mit den Augen und der Haut vermeiden.

läuterung methode

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.]

3-Hydroxy-4-[(2-hydroxyphenyl)azo]-N-(2,4-xylyl)naphthalin-2-carboxamid Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

3-Hydroxy-4-[(2-hydroxyphenyl)azo]-N-(2,4-xylyl)naphthalin-2-carboxamid Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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523-67-1(3-Hydroxy-4-[(2-hydroxyphenyl)azo]-N-(2,4-xylyl)naphthalin-2-carboxamid)Verwandte Suche:

3-Hydroxynaphthalin-2-carboxamid 1-Phenylazo-2-naphthol 3-Aminobenzanilid Natrium-3-[[3-[[(2,4-dimethylphenyl)amino]carbonyl]-2-hydroxy-1-naphthyl]azo]-4-hydroxybenzolsulfonat 3-Hydroxy-2'-methyl-2-naphthanilid 3-[[4-[[(2,4-Dimethylphenyl)amino]carbonyl]-2-hydroxy-1-naphthyl]azo]-4-hydroxybenzolsulfonsure Phenol Salicylanilid 3-Hydroxy-4-[(2-hydroxyphenyl)azo]-N-(2,4-xylyl)naphthalin-2-carboxamid 2',4'-Dimethylacetanilid m-Aminobenzamid 2,2'-Azobisphenol 3-Hydroxy-2-naphthanilid Benzanilid 3-Methyl-2-naphthol 2'-Methylbenzanilid N-Benzyl-p-toluidin
  • 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
  • Xylidyl Blue II, 95%, Spectrophotometric reagent for Mg
  • (4Z)-N-(2,4-dimethylphenyl)-4-[(2-hydroxyphenyl)hydrazinylidene]-3-oxo-2-naphthalenecarboxamide
  • XylylazoVioletII[SpectrophotometricreagentforMg]>
  • 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
  • 523-67-1
  • C25H21N3O3
  • Azo Compounds
  • Chelating Reagents
  • Naphthylazo Compounds
  • Analytical Chemistry
  • Azo Compounds
  • Chelating Reagents
  • Naphthylazo Compounds
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