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5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid structure

CAS No.: 119-70-0

Chemical Name:: 5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid

Synonyms: FC ACID;AI3-23227;TIMTEC-BB SBB001129;Benzenesulfonic acid, 5-amin;6-(P-AMINOANILINO)METANILIC ACID;4-(P-AMINOANILINO)-3-SULFOANILINE;4,4'-diamino-2-sulfodiphenylamine;4,4-DIAMINO DIPHENYL-2-SULPHONIC ACID;4,4'-diamino diphenyl-2-sulfonic acid;4,4'-DIAMINODIPHENYLAMINE-2-SULFONIC ACID

CBNumber:: CB3320185

Molecular Formula:: C12H13N3O3S

Molecular Weight:: 279.31

MDL Number:: MFCD00025301

MOL File:: 119-70-0.mol

MSDS File:: SDS

Last updated:2026-05-28 03:25:12

Product description	Number	Pack Size	Price
5-AMINO-2-(4-AMINOANILINO)-BENZENESULFONIC ACID Aldrich^CPR	S572039	1 unit	$197
5-AMINO-2-(4-AMINOANILINO)-BENZENESULFONIC ACID Aldrich	S572039	250mg	$179
5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid 95%	AD257182	1G	$335
5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid 95%	AD257182	5G	$865
5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid 95%	AD257182	25G	$3460
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5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid Properties

Melting point	244 °C(lit.)
Density	1.527±0.06 g/cm3(Predicted)
vapor pressure	0Pa at 25℃
storage temp.	2-8°C(protect from light)
form	Solid
pka	-1.24±0.50(Predicted)
InChIKey	VKURVCNKVWKGLX-UHFFFAOYSA-N
Dissociation constant	0 at 33℃
CAS DataBase Reference	119-70-0(CAS DataBase Reference)
FDA UNII	7B2AG5D9PQ
EPA Substance Registry System	Benzenesulfonic acid, 5-amino-2-[(4-aminophenyl)amino]- (119-70-0)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H335-H319-H315

Precautionary statements

P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362

WGK Germany

TSCA

TSCA listed

REACH Registrations

Active

NFPA 704

	1
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5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid price More Price(16)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	S572039	5-AMINO-2-(4-AMINOANILINO)-BENZENESULFONIC ACID Aldrich^CPR	119-70-0	1 unit	$197	2026-04-30	Buy
Sigma-Aldrich	S572039	5-AMINO-2-(4-AMINOANILINO)-BENZENESULFONIC ACID Aldrich	119-70-0	250mg	$179	2024-03-01	Buy
ACHEMBLOCK	AD257182	5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid 95%	119-70-0	1G	$335	2026-05-27	Buy
ACHEMBLOCK	AD257182	5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid 95%	119-70-0	5G	$865	2026-05-27	Buy
ACHEMBLOCK	AD257182	5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid 95%	119-70-0	25G	$3460	2026-05-27	Buy

Product number	Packaging	Price	Buy
S572039	1 unit	$197	Buy
S572039	250mg	$179	Buy
AD257182	1G	$335	Buy
AD257182	5G	$865	Buy
AD257182	25G	$3460	Buy

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid Chemical Properties,Uses,Production

Uses

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid is used as an intermediate of organic synthesis.

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid Preparation Products And Raw materials

Raw materials

4'-Aminoacetanilide

Preparation Products

C.I. Direct Black 151 5-[[4-(aminosulphonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulphonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulphonic acid Direct Black 197 Direct Blue 278 DIRECT BLACK 22

C.I. Direct Blue, heptasodium salt Reactive Yellow ME7GL Direct Black 198 Direct Blue 278:1 Direct Black 199

Reactive Blue 256 2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4-[[4-[[4-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-4-hydroxy-, heptasodium salt Direct Black 196 2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt Direct Black 150

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5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid Suppliers

Global( 178)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21585	55
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29812	58
Shandong chuangyingchemical Co., Ltd.	18853181302	sale@chuangyingchem.com	CHINA	5906	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49979	58
Zhengzhou Alfa Chemical Co.,Ltd	+8618530059196	sale04@alfachem.cn	China	9553	58
SIMAGCHEM CORP	+86-5922680277 +86-13806087780	sale@simagchem.com	China	17346	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Dideu Industries Group Limited	+86-86-15536356810 +8617392712697	1022@dideu.com	China	29068	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52704	58
CD Chemical Group Limited	+8615986615575	info@codchem.com	China	17259	58

Supplier	Advantage
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
Shandong chuangyingchemical Co., Ltd.	58
CONIER CHEM AND PHARMA LIMITED	58
Zhengzhou Alfa Chemical Co.,Ltd	58
SIMAGCHEM CORP	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Dideu Industries Group Limited	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
CD Chemical Group Limited	58

View Lastest Price from 5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-11-18	5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid 119-70-0	$1.10	1g	99.00%	100 Tons Min	Dideu Industries Group Limited
2020-02-26	4-(P-Aminoanilino-3-Sulfoaniline 119-70-0		1KG	99.0%+		Shaanxi Dideu Medichem Co. Ltd
2019-07-06	5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid 119-70-0	$1.00	1kg	99%		Career Henan Chemical Co

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid
119-70-0
$1.10
99.00%
Dideu Industries Group Limited

4-(P-Aminoanilino-3-Sulfoaniline
119-70-0
99.0%+
Shaanxi Dideu Medichem Co. Ltd

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid
119-70-0
$1.00
99%
Career Henan Chemical Co

119-70-0(5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid)Related Search:

5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid 2-(4-Aminoanilino)-5-nitrobenzenesulphonic acid 2-Naphthalenesulfonic acid, 6-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-3-[[4-[[4-[[7-[[2-amino-4-[(2-hydroxyethyl)amino]phenyl]azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]-3-sulfophenyl]azo]-4-hydroxy-, trisodium salt ACID YELLOW 65 DIRECT BLACK 22

ACID ORANGE 51 Acid Brown 354 Metanilic acid Diphenylamine Sulfurous Acid

4,4'-Iminodianiline 4,4'-Diaminodianilinedisulfonic acid 5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid sodium salt 3-Amino-4-[(4-aminophenyl)amino]benzenesulfonic acid Para Para Acid/ ( FC Acid)

FC ACID 4,4'-DIAMINODIPHENYLAMINE-2,2-DISULPHONIC ACID 4-Nitro4-aminodiphenylamine4-sulfonicacid

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5-amino-2-[(4-aminophenyl)amino]-benzenesulfonicaci TIMTEC-BB SBB001129 4,4'-diamino-2-sulfodiphenylamine 4,4-DIAMINO DIPHENYL-2-SULPHONIC ACID 4,4'-DIAMINODIPHENYLAMINE-2'-SULFONIC ACID 4,4'-DIAMINODIPHENYLAMINE-2-SULFONIC ACID 5-AMINO-2-(P-AMINOANILINO)BENZENESULFONIC ACID 5-AMINO-2-[(P-AMINOPHENYL)AMINO]BENZENESULFONIC ACID 5-Amino-2-(4-aminoanilino)benzene-1-sulfonic acid 5-AMINO-2-[(4-AMINOPHENYL)AMINO]BENZENESULFONIC ACID 4-(P-AMINOANILINO)-3-SULFOANILINE Diphenylamine-2-sulfonic acid, 4,4'-diamino- 6-(P-AMINOANILINO)METANILIC ACID 4-(p-Aminoanilino)-3-sulfo-1-aminobenzene 4,4'-Diaminodiphenylamine-6-sulfonic acid FC ACID- (4,4'-DIAMINO DIPHENYLAMINE-2-SULFONIC ACID) 5-amino-2-(p-aminoanilino)benzenesulphonic acid 4,4''-DIAMINODIPHENYLAMINE-2-SULFONIC ACID (F.C.ACID) 5-AMINO-2-[(4-AMINOPHENYL)AMINO]BENZENESULFONIC 2-(4-Aminophenylamino)-5-aminobenzenesulfonic acid 2-[(4-Aminophenyl)amino]-5-aminobenzenesulfonic acid 5-AMINO-2-(4-AMINOANILINO)-BENZENESULFONIC ACID AI3-23227 Benzenesulfonic acid, 5-amin Benzenesulfonic acid, 5-amino-2-(p-aminoanilino)- Benzenesulfonic acid, 5-amino-2-[(4-aminophenyl)amino]- 4 4 DIAMINO DIPHENYLAMINE 2 SULPHONIC ACID 5-amino-2-(4-aminoanilino)benzenesulfonicaci 5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid ISO 9001：2015 REACH 4,4'-diamino diphenyl-2-sulfonic acid FC ACID 119-70-0 H2NC6H4NHC6H3NH2SO3H C12H13N3O3S Building Blocks Organic Building Blocks Sulfonic/Sulfinic Acids Sulfur Compounds Building Blocks Chemical Synthesis Organic Building Blocks Sulfonic/Sulfinic Acids Sulfur Compounds Intermediates of Dyes and Pigments