ChemicalBook > CAS DataBase List > 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid
5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid
- Product Name
- 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid
- CAS No.
- 87-03-6
- Chemical Name
- 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid
- Synonyms
- RW acid;NSC 1698;I Acid Imide;Rhoduline acid;Acid bis-mediated;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);2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy-
- CBNumber
- CB3855351
- Molecular Formula
- C20H15NO8S2
- Formula Weight
- 461.46
- MOL File
- 87-03-6.mol
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5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Property
- Boiling point:
- 772.18℃[at 101 325 Pa]
- Density
- 1.734
- vapor pressure
- 0Pa at 25℃
- pka
- -0.14±0.40(Predicted)
- Water Solubility
- 36.1g/L
- LogP
- -1.83
- EPA Substance Registry System
- 2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy- (87-03-6)
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N-Bromosuccinimide Price
American Custom Chemicals Corporation
- Product number
- CHM0238067
- Product name
- 7,7'-IMINOBIS(4-HYDROXY-2-NAPHTHALENESULFONIC ACID)
- Purity
- 98.00%
- Packaging
- 5MG
- Price
- $503.98
- Updated
- 2021/12/16
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5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Chemical Properties,Usage,Production
Chemical Properties
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.
Flammability and Explosibility
Not classified
5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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