ChemicalBook >> CAS DataBase List >>5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid

5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid

5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid structure

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;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

Molecular Formula:: C20H15NO8S2

Molecular Weight:: 461.46

MDL Number:: MFCD00035713

MOL File:: 87-03-6.mol

Last updated:2024-11-20 11:41:24

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5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid 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
FDA UNII	EB8FE6GXT2
EPA Substance Registry System	2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy- (87-03-6)

5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
American Custom Chemicals Corporation	CHM0238067	7,7'-IMINOBIS(4-HYDROXY-2-NAPHTHALENESULFONIC ACID) 98.00%	87-03-6	5MG	$503.98	2021-12-16	Buy

Product number	Packaging	Price	Buy
CHM0238067	5MG	$503.98	Buy

5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Chemical Properties,Uses,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 synthesis

Synthesis of 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid from J acid

5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Preparation Products And Raw materials

Raw materials

J acid

Preparation Products

Direct Blend Blue Direct Red 23 Direct Red 31 tetrasodium 5,5'-[iminobis[(1-hydroxy-3-sulphonato-6,2-naphthylene)azo(2,5-dimethoxy-4,1-phenylene)azo]]bis(salicylate) Direct Blue 163

DIRECT RED 31 DIRECT RED 149 DIRECT VIOLET 66 C.I. Direct Blue 185 tetrasodium 5,5'-[iminobis[(1-hydroxy-3-sulphonato-6,2-naphthylene)azo(5-methoxy-2-methyl-4,1-phenylene)azo]]bis(salicylate)

C.I. Direct Blue 184 DIRECT VIOLET 14 C.I. Direct Violet 49 disodium [mu-[[7,7'-iminobis[4-hydroxy-3-[[2-hydroxy-5-(N-methylsulphamoyl)phenyl]azo]naphthalene-2-sulphonato]](6-)]]dicuprate(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

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5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid Suppliers

Global( 48)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
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	32165	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34553	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	18153	58
PT CHEM GROUP LIMITED		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
Meryer (Shanghai) Chemical Technology Co., Ltd.	021-61259108 18621169109	market03@meryer.com	China	40228	62
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42958	64

Supplier	Advantage
Hubei Jusheng Technology Co.,Ltd.	58
TargetMol Chemicals Inc.	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
Hebei Weibang Biotechnology Co., Ltd	58
PT CHEM GROUP LIMITED	58
SUZHOU SENFEIDA CHEMICAL CO.,LTD	58
Wuhan Fortuna Chemical Co.,Ltd	58
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Shanghai Hanhong Scientific Co.,Ltd.	64

View Lastest Price from 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2024-11-21	Rhoduline Acid 87-03-6	US $195.00 / mg		98.54%	10g	TargetMol Chemicals Inc.

Rhoduline Acid
87-03-6
US $195.00 / mg
98.54%
TargetMol Chemicals Inc.

87-03-6(5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid)Related Search:

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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 87-03-6 NHC10H5OHSO3H2 C20H15NO8S2 Intermediates of Dyes and Pigments