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3-Hydroxynaphthalin-2,7-disulfonsure

3-Hydroxynaphthalene-2,7-disulphonic acid Struktur
148-75-4
CAS-Nr.
148-75-4
Bezeichnung:
3-Hydroxynaphthalin-2,7-disulfonsure
Englisch Name:
3-Hydroxynaphthalene-2,7-disulphonic acid
Synonyma:
2-Naphthol-3,6-disulfonic acid;Aids018328;Aids-018328;Ponceau 4R Impurity 5;2-Naphtholdisodiumsulfonate;3-Hydroxynaphthalene-2,7-di;RSALT(2-NAPTHOL-3,6-DISULFONICACID;3-hydroxynaphthalene-2,7-disulfonicaci;2-Hydroxynaphthalene-3,6-disulfonicacid;3-Hydroxy-2,7-naphthalenedisulfonic acid
CBNumber:
CB2909992
Summenformel:
C10H8O7S2
Molgewicht:
304.3
MOL-Datei:
148-75-4.mol

3-Hydroxynaphthalin-2,7-disulfonsure Eigenschaften

Siedepunkt:
415.13°C (rough estimate)
Dichte
1.7421 (rough estimate)
Brechungsindex
1.6000 (estimate)
pka
-0.20±0.40(Predicted)
EPA chemische Informationen
2,7-Naphthalenedisulfonic acid, 3-hydroxy- (148-75-4)

Sicherheit

3-Hydroxynaphthalin-2,7-disulfonsure Chemische Eigenschaften,Einsatz,Produktion Methoden

Chemische Eigenschaften

2-Hydroxynaphthalene-3,6-disulfonic acid [148-75-4]. (3-hydroxynaphthalene-2,7- disulfonic acid), R acid, C10H8O7S2, Mr 304.3, is readily soluble in water and ethanol. Although the sodium salt (R salt) is soluble in water, it can be precipitated by sodium chloride. The barium salt is sparingly soluble in cold water but is 8 % soluble in boiling water. Whereas sulfonation with 20 % oleum yields 2-hydroxynaphthalene3,6,8-trisulfonic acid, the reaction with Na2SO3– MnO2 gives 2-hydroxy-1,3,6-trisulfonic acid. Alkali fusion with sodium hydroxide gives 2,3-dihydroxynaphthalene-6-sulfonic acid and some 2,3-dihydroxynaphthalene. Amination (Bucherer) produces 2-aminonaphthalene-3,6- disulfonic acid. Diazo coupling and nitrosation take place in the 1-position.

Verwenden

3-Hydroxynaphthalene-2,7-disulphonic Acid can be used to prepare antimicrobial material.

3-Hydroxynaphthalin-2,7-disulfonsure Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Natriumchlorid

Downstream Produkte

Dinatrium-3-hydroxynaphthalin-2,7-disulfonat Dinatrium-7-hydroxy-8-phenylazonaphthalin-1,3-disulfonat

3-Hydroxynaphthalin-2,7-disulfonsure Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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148-75-4(3-Hydroxynaphthalin-2,7-disulfonsure)Verwandte Suche:

  • 3-hydroxynaphthalene-2,7-disulphonic acid
  • 2-Naphtholdisodiumsulfonate
  • 2-Hydroxynaphthalene-3,6-disulfonicacid
  • 3-Hydroxy-2,7-naphthalenedisulfonic acid
  • Aids018328
  • Aids-018328
  • 2,7-Naphthalenedisulfonicacid, 3-hydroxy-
  • RSALT(2-NAPTHOL-3,6-DISULFONICACID
  • 3-hydroxynaphthalene-2,7-disulfonicaci
  • 3-Hydroxynaphthalene-2,7-disulphonic acid ISO 9001：2015 REACH
  • Ponceau 4R Impurity 5
  • 3-Hydroxynaphthalene-2,7-di
  • 2-Naphthol-3,6-disulfonic acid
  • 148-75-4
  • Intermediates of Dyes and Pigments
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