5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid
5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Basic information
- Product Name:
- 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid
- Synonyms:
-
- 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
- CAS:
- 87-03-6
- MF:
- C20H15NO8S2
- MW:
- 461.46
- EINECS:
- 201-719-4
- Product Categories:
-
- Intermediates of Dyes and Pigments
- Mol File:
- 87-03-6.mol
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5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Chemical Properties
- 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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5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Usage And Synthesis
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
Preparation Products
Raw materials
5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acidSupplier
Meryer (Shanghai) Chemical Technology Co., Ltd.
- Tel
- 021-61259108 18621169109
- market03@meryer.com
Shanghai Hanhong Scientific Co.,Ltd.
- Tel
- 021-54306202 13764082696
- info@hanhongsci.com
Hangzhou Yuhao Chemical Technology Co., Ltd
- Tel
- 0571-82693216
- info@yuhaochemical.com
Xiangshui Henryda Tech Chemical Co., Ltd.
- Tel
- 13771648447
- sales@henryda-chem.com
Shanghai EFE Biological Technology Co., Ltd.
- Tel
- 021-65675885 18964387627
- info@efebio.com
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5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid(87-03-6)Related Product Information
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- 1,3-PHENYLENEDIAMINE-4,6-DISULFONIC ACID
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- 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid
- J acid
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- 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid
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