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4,4'-Dihydroxy-7,7'-iminodi(naphthalin-2-sulfonsure)

5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Struktur
87-03-6
CAS-Nr.
87-03-6
Bezeichnung:
4,4'-Dihydroxy-7,7'-iminodi(naphthalin-2-sulfonsure)
Englisch Name:
5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid
Synonyma:
RW acid;NSC 1698;I Acid Imide;Rhoduline acid;Acid bis-mediated;Di-J acid|||I Acid Imide|||NSC 1698;N,N-Bis(5-naphthol-7-sulfonic acid)amine;bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine;6,6'-Iminobis(1-hydroxynaphthalene-3-sulfonic acid);7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid)
CBNumber:
CB3855351
Summenformel:
C20H15NO8S2
Molgewicht:
461.46
MOL-Datei:
87-03-6.mol

4,4'-Dihydroxy-7,7'-iminodi(naphthalin-2-sulfonsure) Eigenschaften

Siedepunkt:
772.18℃[at 101 325 Pa]
Dichte
1.734
Dampfdruck
0Pa at 25℃
pka
-0.14±0.40(Predicted)
Wasserl?slichkeit
36.1g/L
LogP
-1.83
EPA chemische Informationen
2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy- (87-03-6)

Sicherheit

4,4'-Dihydroxy-7,7'-iminodi(naphthalin-2-sulfonsure) Chemische Eigenschaften,Einsatz,Produktion Methoden

Chemische Eigenschaften

7,70 -Iminobis(4-hydroxynaphthalene-2-sulfonic acid) [87-03-6] J acid imide, di-J acid, is produced by heating the sodium salt of J acid in aqueous sodium bisulfite at 106℃ for 36 h (yield 89 %). It is used to produce C.I. Direct Reds 31 and 149, as well as C.I. Direct Violets 48, 66, and 102.

4,4'-Dihydroxy-7,7'-iminodi(naphthalin-2-sulfonsure) Upstream-Materialien And Downstream Produkte

Upstream-Materialien

7-Amino-4-hydroxynaphthalin-2-sulfonsure

Downstream Produkte

Direct Blend Blue Dinatrium-3-[(4-acetamidophenyl)azo]-4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulfonato-2-naphthyl]amino]carbonyl]amino]naphthalin-2-sulfonat Dinatrium-7,7'-iminobis[4-hydroxy-3-(phenylazo)naphthalin-2-sulfonat] Tetranatrium-5,5'-[iminobis[(1-hydroxy-3-sulfonato-6,2-naphthylen)azo(2,5-dimethoxy-4,1-phenylen)azo]]bissalicylat Direct Blue 163 DIRECT RED 31 DIRECT RED 149 DIRECT VIOLET 66 C.I. Direct Blue 185 Tetranatrium-5,5'-[iminobis[(1-hydroxy-3-sulfonato-6,2-naphthylen)azo(5-methoxy-2-methyl-4,1-phenylen)azo]]bissalicylat C.I. Direct Blue 184 DIRECT VIOLET 14 C.I. Direct Violet 49 Dinatrium-[μ-[[7,7'-iminobis[4-hydroxy-3-[[2-hydroxy-5-(N-methylsulfamoyl)phenyl]azo]naphthalin-2-sulfonato]](6-)]]dicuprat(2-) [1,1'-Biphenyl]-3,3'-disulfonic acid, 4,4'-bis[[1-hydroxy-6-[(5-hydroxy-7-sulfo-2-naphthalenyl)amino]-3-sulfo-2-naphthalenyl]azo]-, hexasodium salt C.I. Acid Blue 36 tetrasodium [mu-[[7,7'-iminobis[3-[(3-chloro-2-hydroxy-5-sulphophenyl)azo]-4-hydroxynaphthalene-2-sulphonato]](8-)]]dicuprate(4-) Direct Violet 102

4,4'-Dihydroxy-7,7'-iminodi(naphthalin-2-sulfonsure) Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 50)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Hubei Jusheng Technology Co.,Ltd. 		18871490254
linda@hubeijusheng.com CHINA 28172 58
TargetMol Chemicals Inc. 		+1-781-999-5354 +1-00000000000
 marketing@targetmol.com United States 32161 58
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418671 +8618949823763
 sales@tnjchem.com China 34563 58
Dayang Chem (Hangzhou) Co.,Ltd. 		571-88938639 +8617705817739
 info@dycnchem.com China 52849 58
Hebei Weibang Biotechnology Co., Ltd 		+8617732866630
 bess@weibangbio.com China 18148 58
PT CHEM GROUP LIMITED 		+86-85511178; +86-85511178;
 peter68@ptchemgroup.com China 35425 58
SUZHOU SENFEIDA CHEMICAL CO.,LTD 		+86-0512-83500002 +8615195660023
 sales@senfeida.com China 23046 58
Wuhan Fortuna Chemical Co.,Ltd 		+8618007136271
 hk@fortunachem.com China 5998 58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD. 		+8618950047208
 ellena@amitychem.com China 43416 58
Meryer (Shanghai) Chemical Technology Co., Ltd. 021-61259108 18621169109
 market03@meryer.com China 40228 62

87-03-6(4,4'-Dihydroxy-7,7'-iminodi(naphthalin-2-sulfonsure))Verwandte Suche:

  • 7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid)
  • 5,5'-dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid
  • 4,4'-Dihydroxy-7,7'-iminodi(naphthalene-2-sulfonic acid)
  • Rhoduline acid
  • 4,4'-dihydroxy-7,7'-iminodi(naphthalene-2-sulphonic acid)
  • N,N-Bis(5-naphthol-7-sulfonic acid)amine
  • 6,6'-Iminobis(1-hydroxynaphthalene-3-sulfonic acid)
  • 4-hydroxy-7-[(5-hydroxy-7-sulfo-2-naphthyl)amino]naphthalene-2-sulfonic acid
  • 4-hydroxy-7-[(5-hydroxy-7-sulfo-naphthalen-2-yl)amino]naphthalene-2-sulfonic acid
  • 4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)amino]naphthalene-2-sulfonic acid
  • bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine
  • 2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy-
  • I Acid Imide
  • NSC 1698
  • RW acid
  • 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic
  • Acid bis-mediated
  • Di-J acid|||I Acid Imide|||NSC 1698
  • 7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid)
  • 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid
  • 4,4'-dihydroxy-7,7'-iminodi(naphthalene-2-sulphonic acid)
  • 87-03-6
  • NHC10H5OHSO3H2
  • C20H15NO8S2
  • Intermediates of Dyes and Pigments
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