4'-Aminoazobenzene-4-sulphonic acid supplier

Name
4'-Aminoazobenzene-4-sulphonic acid
EINECS 203-187-9
CAS No. 104-23-4
Article Data21
CAS DataBase
Density 1.43 g/cm³
Solubility 513-1320mg/L at 37℃
Melting Point 125-131°C
Formula C₁₂H₁₁N₃O₃S
Boiling Point 477.42℃[at 101 325 Pa]
Molecular Weight 277.304
Flash Point
Transport Information
Appearance
Safety
Risk Codes
Molecular Structure
Hazard Symbols Xi
Synonyms Benzenesulfonicacid, 4-[(4-aminophenyl)azo]- (9CI);Benzenesulfonic acid,p-(p-aminophenylazo)- (6CI);C.I. Food Yellow 6 (8CI);4-(4-Aminophenylazo)benzenesulfonic acid;4-(4-Sulfophenylazo)aniline;4-(4'-Sulfophenylazo)aniline;4-Amino-1,1'-azobenzene-4'-sulfonic acid;4-Amino-4'-sulfoazobenzene;4-Aminoazobenzene-4'-sulfonic acid;4'-Sulfo-4-aminoazobenzene;NSC 4704;p-[(p-Aminophenyl)azo]benzenesulfonic acid;
PSA 116.32000
LogP 4.25030

Synthetic route

: 26021-90-9
sodium anilinomethanesulfonate

: 6118-33-8
p-sulfobenzenediazonium chloride

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
Stage #1: sodium anilinomethanesulfonate; p-sulfobenzenediazonium chloride With sodium acetate In water Stage #2: With sodium hydroxide In water Reflux;	70%

: 68-34-8
phenyl toluenesulfonamide

: 305-80-6
4-diazobenzenesulfonic acid

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
und Verseifen des Reaktionsprodukts mit konz.Schwefelsaeure bei 40grad;

: 23792-61-2
4-(4-nitro-phenylazo)-benzenesulfonic acid

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
With ammonium hydrosulphide; ethanol

: 861869-60-5
4-[4-(2,4,6-trinitro-anilino)-phenylazo]-benzenesulfonic acid

: furan-2,3,5(4H)-trione pyridine (1:1)

A: 88-89-1
2,4,6-Trinitrophenol

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

...Expand

: 3457-98-5
4-phenylazoaniline hydrochloride

A: 101-50-8
4-aminoazobenzene-3,4'-disulfonic acid

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
With sulfuric acid at 90 - 100℃;
With sulfuric acid at 90 - 100℃;

: 305-80-6
4-diazobenzenesulfonic acid

: 62-53-3
aniline

A: 622-37-7
Phenyl azide

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

C: 121-57-3
4-aminobenzene sulfonic acid

...Expand

: 305-80-6
4-diazobenzenesulfonic acid

: 62-53-3
aniline

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
With water man laesst 24 Stdn.stehen, filtriert ab und entzieht dem Nied. durch kal. Aether beigemengtes Diazoaminobenzol; die ungeloeste 4'-Amino-azobenzol-sulfonsaeure-(4) bindet man an Ammoniak und reinigt das Salz durch Umkrystallis.;

sulfate of 4-amino-azobenzene: sulfate of 4-amino-azobenzene

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
With sulfuric acid; sulfur trioxide at 30 - 35℃;
With sulfuric acid; sulfur trioxide at 30 - 35℃;

: 7664-93-9
sulfuric acid

: 60-09-3
aniline yellow

A: 101-50-8
4-aminoazobenzene-3,4'-disulfonic acid

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
at 30 - 35℃;
at 30 - 35℃;

...Expand

sulfate of 4-amino-azobenzene: sulfate of 4-amino-azobenzene

A: 101-50-8
4-aminoazobenzene-3,4'-disulfonic acid

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
With sulfuric acid; sulfur trioxide at 30 - 35℃;

: 7664-93-9
sulfuric acid

: 60-09-3
aniline yellow

A: 2-amino-5-(4-sulfo-phenylazo)-benzene-1,3-disulfonic acid

B: 101-50-8
4-aminoazobenzene-3,4'-disulfonic acid

C: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
at 70℃;
at 70℃;

...Expand

: 64-17-5
ethanol

: 23792-61-2
4-(4-nitro-phenylazo)-benzenesulfonic acid

ammonium hydrosulfide: ammonium hydrosulfide

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

...Expand

: 305-80-6
4-diazobenzenesulfonic acid

: 7732-18-5
water

: 142-04-1
aniline hydrochloride

A: 100-34-5
benzene diazonium chloride

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

C: 121-57-3
4-aminobenzene sulfonic acid

...Expand

: 305-80-6
4-diazobenzenesulfonic acid

: 7732-18-5
water

: 62-53-3
aniline

A: 60-09-3
aniline yellow

B: 622-37-7
Phenyl azide

C: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

D: 121-57-3
4-aminobenzene sulfonic acid

...Expand

: 7647-01-0
hydrogenchloride

: 25739-61-1
4-[4-(2,4-dinitro-anilino)-phenylazo]-benzenesulfonic acid

A: 51-28-5
2,4-Dinitrophenol

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

...Expand

: 7647-01-0
hydrogenchloride

: 4-[4-(2,4-dinitro-anilino)-phenylazo]-benzenesulfonic acid ; potassium-compound

A: 51-28-5
2,4-Dinitrophenol

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

...Expand

: 7647-01-0
hydrogenchloride

: 4-[4-(2,4-dinitro-anilino)-phenylazo]-benzenesulfonic acid ; sodium-compound

A: 51-28-5
2,4-Dinitrophenol

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

...Expand

: 861869-60-5
4-[4-(2,4,6-trinitro-anilino)-phenylazo]-benzenesulfonic acid

: 7732-18-5
water

A: 88-89-1
2,4,6-Trinitrophenol

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

...Expand

: 861869-60-5
4-[4-(2,4,6-trinitro-anilino)-phenylazo]-benzenesulfonic acid

KOH-solution: KOH-solution

A: 88-89-1
2,4,6-Trinitrophenol

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

...Expand

: 37678-79-8
4-[4-(2-hydroxy-[1]naphthylazo)-phenylazo]-benzenesulfonic acid

sodium amalgam: sodium amalgam

A: 2834-92-6
1-amino-2-naphthol

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

...Expand

: 502-02-3
methyl orange

A: C14H13N3O4S

B: C14H19N3O7S

C: 4-hydrazino-2-hydroxy-benzenesulfonic acid

D: 5713-92-8
4-(4-methylamino-phenylazo)-benzenesulfonic acid

E: 2484-88-0
4-phenylazo-benzenesulfonic acid

F: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
With 1% Pt-CaCu3Ti4O12; water; oxygen for 11h; Quantum yield; Time; Reagent/catalyst; Wavelength; Visible light irradiation;

...Expand

: 547-58-0
methyl orange

A: 5713-92-8
4-(4-methylamino-phenylazo)-benzenesulfonic acid

B: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
In water pH=2; Kinetics; pH-value; Sonolysis; Photolysis;

: 62-53-3
aniline

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1.1: sodium hydrogensulfite / water / 1 h / 65 °C 1.2: 2.25 h / 65 °C 2.1: sodium acetate / water 2.2: Reflux View Scheme

: 38588-64-6
3,5-bis(methoxycarbonyl)benzoic acid

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: 4-((4-(3,5-bis(methoxycarbonyl)benzamido)phenyl)diazenyl)benzenesulfonic acid

Conditions

Conditions	Yield
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 115℃; for 4h; Inert atmosphere;	98%

: 5-((4-(phenyldiazenyl)phenyl)carbamoyl)isophthalic acid

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: C45H33N9O9S2

Conditions

Conditions	Yield
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 115℃; for 6h; Inert atmosphere;	93%

: C23H18N2O6

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: C47H36N8O10S2

Conditions

Conditions	Yield
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 75 - 115℃; for 6.5h; Inert atmosphere;	86%

: C16H11NO7

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: C52H38N10O13S3

Conditions

Conditions	Yield
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 75 - 115℃; for 5.5h; Inert atmosphere;	86%

: 554-95-0
benzene-1,3,5-tricarboxylic acid

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: C45H33N9O12S3

Conditions

Conditions	Yield
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 75 - 115℃; for 4.5h; Inert atmosphere;	85%

: C16H13NO5

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: C40H31N7O9S2

Conditions

Conditions	Yield
With pyridine; triphenyl phosphite In N,N-dimethyl acetamide at 75 - 115℃; for 6.5h; Inert atmosphere;	84%

: C21H14N4O7

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: C45H32N10O11S2

Conditions

Conditions	Yield
Stage #1: C21H14N4O7 With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 4h; Stage #2: 4'-aminoazobenzene-4-sulfonic acid With triethylamine In dichloromethane; N,N-dimethyl-d6-formamide at 0℃; for 40h;	60%

: 186581-53-3, 908094-01-9
diazomethane

: 60-29-7
diethyl ether

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

A: 111915-50-5
4-(4-dimethylamino-phenylazo)-benzenesulfonic acid methyl ester

B: 547-58-0
methyl orange

...Expand

: 186581-53-3, 908094-01-9
diazomethane

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: 111915-50-5
4-(4-dimethylamino-phenylazo)-benzenesulfonic acid methyl ester

Conditions

Conditions	Yield
With diethyl ether

: 186581-53-3, 908094-01-9
diazomethane

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

A: 111915-50-5
4-(4-dimethylamino-phenylazo)-benzenesulfonic acid methyl ester

B: 502-02-3
methyl orange

Conditions

Conditions	Yield
With diethyl ether

...Expand

: 109258-06-2
7-(furan-2-carbonylamino)-4-hydroxy-naphthalene-2-sulfonic acid

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: 7-(furan-2-carbonylamino)-4-hydroxy-3-[4-(4-sulfo-phenylazo)-phenylazo]-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With sodium hydroxide; sodium carbonate

: 132-57-0
7-hydroxy-naphthalene-1-sulfonic acid

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: 7-hydroxy-8-[4-(4-sulfo-phenylazo)-phenylazo]-naphthalene-1-sulfonic acid

Conditions

Conditions	Yield
With hydrogenchloride; sodium nitrite

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: 65036-56-8
4-(4-sulfo-phenylazo)-benzenediazonium-betaine

Conditions

Conditions	Yield
With mixture of gaseous nitrogen oxides; water

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: 101-50-8
4-aminoazobenzene-3,4'-disulfonic acid

Conditions

Conditions	Yield
With sulfuric acid at 100℃;

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

A: 106-50-3
1,4-phenylenediamine

B: 121-57-3
4-aminobenzene sulfonic acid

Conditions

Conditions	Yield
With hydrogenchloride; tin

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

: 2918-83-4
4-[(4-hydroxy)phenylazo]benzenesulfonic acid

Conditions

Conditions	Yield
With cis-nitrous acid und Kochen der gebildeten Diazoverbindung mit Wasser;

: 7647-01-0
hydrogenchloride

: 104-23-4
4'-aminoazobenzene-4-sulfonic acid

tin: tin

A: 106-50-3
1,4-phenylenediamine

B: 121-57-3
4-aminobenzene sulfonic acid

...Expand

4'-Aminoazobenzene-4-sulphonic acid Chemical Properties

IUPAC Name: 4-(4-aminophenyl)diazenylbenzenesulfonic acid
The MF of 4'-AMINOAZOBENZENE-4-SULFONIC ACID(104-23-4): C₁₂H₁₁N₃O₃S
The MW of 4'-AMINOAZOBENZENE-4-SULFONIC ACID(104-23-4): 277.3
EINECS: 203-187-9
Density: 1.43 g/cm³
Index of Refraction: 1.663
Categories: Intermediates of Dyes and Pigments;Organics
Synonyms: 4-((4-aminophenyl)azo)-benzenesulfonicaci;4-(4'-sulfophenylazo)aniline;4-(4-sulfophenylazo)aniline;4-[(4-aminophenyl)azo]-benzenesulfonicaci;c.i.foodyellow6;p-((p-aminophenyl)azo)-benzenesulfonicaci;p-(p-aminophenylazo)-benzenesulfonic;SODIUM 4-AMINOAZOBENZENE-4'-SULFONATE
The Structure of 4'-AMINOAZOBENZENE-4-SULFONIC ACID(104-23-4):

4'-Aminoazobenzene-4-sulphonic acid Uses

4'-AMINOAZOBENZENE-4-SULFONIC ACID(104-23-4) is used as dye intermediates.

4'-Aminoazobenzene-4-sulphonic acid Toxicity Data With Reference

otr-ham:kdy 25 mg/L

BJCAAI British Journal of Cancer. 38 (1978),34.

4'-Aminoazobenzene-4-sulphonic acid Consensus Reports

Reported in EPA TSCA Inventory.

4'-Aminoazobenzene-4-sulphonic acid Safety Profile

Mutation data reported. When heated to decomposition it emits toxic vapors of NO_x and SO_x.

Product Name

4'-Aminoazobenzene-4-sulphonic acid

Synthetic route

4'-Aminoazobenzene-4-sulphonic acid Chemical Properties

4'-Aminoazobenzene-4-sulphonic acid Uses

4'-Aminoazobenzene-4-sulphonic acid Toxicity Data With Reference

4'-Aminoazobenzene-4-sulphonic acid Consensus Reports

4'-Aminoazobenzene-4-sulphonic acid Safety Profile

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