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Natrium-4-[(2-hydroxy-1-naphthyl)azo]benzolsulfonat

Acid Orange 7 Struktur
633-96-5
CAS-Nr.
633-96-5
Bezeichnung:
Natrium-4-[(2-hydroxy-1-naphthyl)azo]benzolsulfonat
Englisch Name:
Acid Orange 7
Synonyma:
Ao 7;15510;ORANGE1;CI 4600;OrangeⅡ;ORANGE I;CI 14600;orangeya;orangeyz;ORANGE 4
CBNumber:
CB0144029
Summenformel:
C16H12N2O4S.Na
Molgewicht:
351.33
MOL-Datei:
633-96-5.mol

Natrium-4-[(2-hydroxy-1-naphthyl)azo]benzolsulfonat Eigenschaften

Schmelzpunkt:
164°C
Dichte
1.525[at 20℃]
Dampfdruck
0Pa at 25℃
storage temp. 
Amber Vial, -20°C Freezer, Under inert atmosphere
L?slichkeit
Very soluble in water; very slightly soluble in ethanol
Aggregatzustand
Crystalline Powder
Colour Index 
15510
pka
8.26, 11.4(at 25℃)
Farbe
Green to blue
Geruch (Odor)
Odorless
S?ure-Base-Indikators(pH-Indikatoren)
Amber (7.4) to orange (8.6);Orange (10.2) to red (11.8)
Wasserl?slichkeit
116 g/L (30 ºC)
maximale Wellenl?nge (λmax)
483nm
Merck 
14,6858
BRN 
3898201
Stabilit?t:
Light Sensitive
Biologische Anwendungen
Cosmetics; wound dressing materials
Major Application
Organic light emitting diodes (OLEDs), nanoparticles, inks, wood preservatives, textiles, hair dyes, cosmetics, wound dressing materials, biofuel cells
LogP
-0.95 at 20℃
CAS Datenbank
633-96-5(CAS DataBase Reference)
EPA chemische Informationen
C.I. Acid Orange 7, monosodium salt (633-96-5)
Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
Kennzeichnung gef?hrlicher Xi
R-S?tze: 36/37/38
S-S?tze: 26-36-37/39
WGK Germany  3
RTECS-Nr. DB7084000
HS Code  32041200
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H315 Verursacht Hautreizungen. Hautreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P302+P352, P321,P332+P313, P362
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P305+P351+P338,P337+P313P
Sicherheit
P264 Nach Gebrauch gründlich waschen.
P264 Nach Gebrauch gründlich waschen.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.

Natrium-4-[(2-hydroxy-1-naphthyl)azo]benzolsulfonat Chemische Eigenschaften,Einsatz,Produktion Methoden

R-S?tze Betriebsanweisung:

R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.

S-S?tze Betriebsanweisung:

S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.

Chemische Eigenschaften

Orange-red powder

Definition

ChEBI: Acid orange 7 is a member of naphthalenes. Orange allergenic extract is used in allergenic testing.

synthetische

Acid Orange 7, commonly known as acidic orange II. 4-Aminobenzenesulfonic acid diazo, and Naphthalen-2-ol coupling. It is produced by azo coupling of β-naphthol and diazonium derivative of sulfanilic acid.

l?uterung methode

Purification is as for Orange I. Its solubility in H2O is 40g/L at 25o. [Müller et al. Helv Chim Acta 35 2579 1952.] Also purify it by extracting it with a small volume of cold water, then crystallising it by dissolving in boiling water, cooling to ca 80o, adding two volumes of EtOH and cooling. When cold, the precipitate is filtered off, washed with a little EtOH and dried in air. It can be salted out from aqueous solution with sodium acetate, then repeatedly extracted with EtOH. Meggy and Sims [J Chem Soc 2940 1956], after crystallising the sodium salt twice from water, dissolved it in cold water (11mL/g) and added conc HCl to precipitate the acid dye which was separated by centrifugation, redissolved and again precipitated with acid. After washing the precipitate three times with 0.5M acid, it was dried over NaOH, recrystallised twice from absolute EtOH, washed with a little Et2O, dried over NaOH and stored over conc H2SO4 in the dark. It can then be converted to the pure salt with the calculated amount of NaOH or Na2CO3. [Beilstein 16 IV 408.]

Natrium-4-[(2-hydroxy-1-naphthyl)azo]benzolsulfonat Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Natrium-4-[(2-hydroxy-1-naphthyl)azo]benzolsulfonat Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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633-96-5(Natrium-4-[(2-hydroxy-1-naphthyl)azo]benzolsulfonat)Verwandte Suche:


  • Golden Orange Ⅱ
  • Orange II sod
  • Orange II, Pure
  • ORANGE1
  • ORANGE I
  • NAPHTHOL ORANGE
  • TROPAEOLIN 000 NO 1
  • TROPAEOLIN OOO-1
  • TROPAEOLIN OOO NO 1
  • Orange II Certifed≥ 90% (dye content)
  • 15510
  • KEYACID ORANGE 7
  • 11550orange
  • 2-naphtholorangeii
  • METANIL ORANGE
  • CI NO 14600
  • CI 4600
  • CI 14600
  • LABOTEST-BB LT00847535
  • 4-((2-hydroxy-1-naphthalenyl)azo)-benzenesulfonicacimonosodiumsalt
  • 4-[(2-hydroxy-1-naphthalenyl)azo]-benzenesulfonicacimonosodiumsalt
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  • benzenesulfonicacid,-[(2-hydroxy-1-naphthalenyl)azo]-,monosodiumsalt
  • Benzenesulfonicacid,4-[(2-hydroxy-1-naphthalenyl)azo]-,monosodiumsalt
  • betanaphtholorange
  • beta-naphtholorange
  • beta-naphthylorange
  • brasilanorangea
  • bucacidorangea
  • C.1.AcidOrange7(15510)
  • C.I.Acidorange7
  • c.i.acidorange7,monosodiumsalt
  • calcocidorangey
  • certiqualorangeii
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  • lakeorangea
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  • lutetiaorange3jr
  • naphthalenelakeorangeg
  • naphthaleneorangeg
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