Product Name

  • Name

    3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone

  • EINECS 231-428-8
  • CAS No. 7545-50-8
  • Article Data10
  • CAS DataBase
  • Density 1.564 g/cm3
  • Solubility
  • Melting Point 231 °C
  • Formula C12H12N2O4S
  • Boiling Point 596.9 °C at 760 mmHg
  • Molecular Weight 280.304
  • Flash Point 314.8 °C
  • Transport Information
  • Appearance Baby pink powder
  • Safety 22-24/25
  • Risk Codes
  • Molecular Structure Molecular Structure of 7545-50-8 (3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone)
  • Hazard Symbols
  • Synonyms 2,2'-Diamino-4,4'-sulfonyldiphenol;4,4'-Sulfonylbis(2-aminophenol);4,4'-Sulfonylbis(o-aminophenol);Bis(3-amino-4-hydroxyphenyl)sulfone;NSC155173;
  • PSA 135.02000
  • LogP 3.33820

Synthetic route

3,3'-dibromo-4,4'-dihydroxydiphenyl sulfone
56486-79-4

3,3'-dibromo-4,4'-dihydroxydiphenyl sulfone

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
With ammonium hydroxide In 1-methyl-pyrrolidin-2-one at 150℃; Solvent; Temperature;98%
3,3'-dinitro-4,4'-dihydroxydiphenylsulfone
7149-20-4

3,3'-dinitro-4,4'-dihydroxydiphenylsulfone

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrazine hydrate In 1,4-dioxane; ethanol at 95℃; for 24h; Inert atmosphere;94%
With iron; ammonium chloride In water at 50℃; Concentration; Temperature; Large scale;93%
With palladium on activated charcoal; ethanol Hydrogenation;
4,4'-sulfonediphenol
80-09-1

4,4'-sulfonediphenol

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous H2SO4; HNO3
2: Na2S2O4; aqueous NH3
View Scheme
bis[3-methyl-4-hydroxyphenyl]sulfone
16346-97-7

bis[3-methyl-4-hydroxyphenyl]sulfone

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: KMnO4; aqueous NaOH
2: aqueous H2SO4; HNO3
3: Na2S2O4; aqueous NH3
View Scheme
ortho-cresol
95-48-7

ortho-cresol

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: H2SO4 / 180 °C / unter vermindertem Druck
2: KMnO4; aqueous NaOH
3: aqueous H2SO4; HNO3
4: Na2S2O4; aqueous NH3
View Scheme
Multi-step reaction with 4 steps
1: H2SO4 / 180 °C / unter vermindertem Druck
2: KMnO4; aqueous NaOH
3: aqueous H2SO4; HNO3
4: Na2S2O4; aqueous NH3
View Scheme
salicylic acid
69-72-7

salicylic acid

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: H2SO4 / 200 °C / unter vermindertem Druck
2: aqueous H2SO4; HNO3
3: Na2S2O4; aqueous NH3
View Scheme
4,4'-dibromodiphenyl sulfone
2050-48-8

4,4'-dibromodiphenyl sulfone

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sulfuric acid; potassium nitrate / 3 h / 80 °C
2: sodium hydroxide / dimethyl sulfoxide; water / 2 h / 50 °C
3: palladium 10% on activated carbon; hydrazine hydrate / ethanol; 1,4-dioxane / 24 h / 95 °C / Inert atmosphere
View Scheme
4,4'-sulfonylbis(1-bromo-2-nitrobenzene)
75853-45-1

4,4'-sulfonylbis(1-bromo-2-nitrobenzene)

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium hydroxide / dimethyl sulfoxide; water / 2 h / 50 °C
2: palladium 10% on activated carbon; hydrazine hydrate / ethanol; 1,4-dioxane / 24 h / 95 °C / Inert atmosphere
View Scheme
bromobenzene
108-86-1

bromobenzene

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: trifluorormethanesulfonic acid; dipotassium peroxodisulfate; tetra(n-butyl)ammonium hydrogensulfate; trifluoroacetic anhydride / 1,2-dichloro-ethane / 8 h / 85 °C / Sealed tube
2: sulfuric acid; potassium nitrate / 3 h / 80 °C
3: sodium hydroxide / dimethyl sulfoxide; water / 2 h / 50 °C
4: palladium 10% on activated carbon; hydrazine hydrate / ethanol; 1,4-dioxane / 24 h / 95 °C / Inert atmosphere
View Scheme
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

salicylaldehyde
90-02-8

salicylaldehyde

4,4'-sulfonylbis(2-(-2-hydroxybenzylideneamino)phenol)

4,4'-sulfonylbis(2-(-2-hydroxybenzylideneamino)phenol)

Conditions
ConditionsYield
Stage #1: 3,3'-diamino-4,4'-dihydroxydiphenyl sulfone; salicylaldehyde In methanol for 0.5h;
Stage #2: In methanol for 6h; Reflux;
83%
4-Nitrophthalonitrile
31643-49-9

4-Nitrophthalonitrile

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

C28H16N6O4S

C28H16N6O4S

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 85℃; for 5h;82%
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

ethyl cyanoacetimidate hydrochloride
55244-11-6

ethyl cyanoacetimidate hydrochloride

C18H10N4O4S

C18H10N4O4S

Conditions
ConditionsYield
In methanol at 5℃; for 9h;77%
8-formyl-7-hydroxycoumarin
2067-86-9

8-formyl-7-hydroxycoumarin

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

8,8'-((1E,1'E)-((sulfonylbis(6-hydroxy-3,1-phenylene))bis(azanylylidene))bis(methanylylidene))bis(7-hydroxy-2H-chromen-2-one)

8,8'-((1E,1'E)-((sulfonylbis(6-hydroxy-3,1-phenylene))bis(azanylylidene))bis(methanylylidene))bis(7-hydroxy-2H-chromen-2-one)

Conditions
ConditionsYield
In ethanol for 6h; Reflux;76%
8-formyl-7-hydroxycoumarin
2067-86-9

8-formyl-7-hydroxycoumarin

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

C32H22N2O10S

C32H22N2O10S

Conditions
ConditionsYield
In ethanol for 8h; Reflux;70%
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

2-(4-(dibutylamino)phenyl)-6-hydroxybenzofuran-5-carbaldehyde

2-(4-(dibutylamino)phenyl)-6-hydroxybenzofuran-5-carbaldehyde

C58H58N4O8S

C58H58N4O8S

Conditions
ConditionsYield
With potassium cyanide; phenylboronic acid In methanol at 20℃; Inert atmosphere;25%
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Os(3,3'-diamino-4,4'-dihydroxydiphenylsulphone)(OH)2

Os(3,3'-diamino-4,4'-dihydroxydiphenylsulphone)(OH)2

Conditions
ConditionsYield
With osmium compound
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

{OsO2(3,3'-diamino-4,4'-dihydroxydiphenylsulphone)}Cl2

{OsO2(3,3'-diamino-4,4'-dihydroxydiphenylsulphone)}Cl2

Conditions
ConditionsYield
With osmium compound
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

neodymium(III) acetate
6192-13-8

neodymium(III) acetate

2Nd(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Nd2(C12H10N2O4S)3*4H2O

2Nd(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Nd2(C12H10N2O4S)3*4H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water ethanolic soln. of the ligand, aqueous soln. of rare earth(III) acetate; mixing; adjusting pH to 7.0-8.5 (NaOH); crystn.;
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

samarium(III) acetate
10465-27-7

samarium(III) acetate

2Sm(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Sm2(C12H10N2O4S)3*4H2O

2Sm(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Sm2(C12H10N2O4S)3*4H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water ethanolic soln. of the ligand, aqueous soln. of rare earth(III) acetate; mixing; adjusting pH to 7.0-8.5 (NaOH); crystn.;
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

praseodymium(3+) acetate
6192-12-7

praseodymium(3+) acetate

2Pr(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Pr2(C12H10N2O4S)3*4H2O

2Pr(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Pr2(C12H10N2O4S)3*4H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water ethanolic soln. of the ligand, aqueous soln. of rare earth(III) acetate; mixing; adjusting pH to 7.0-8.5 (NaOH); crystn.;
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

2Ce(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Ce2(C12H10N2O4S)3*4H2O

2Ce(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Ce2(C12H10N2O4S)3*4H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water ethanolic soln. of the ligand, aqueous soln. of rare earth(III) acetate; mixing; adjusting pH to 7.0-8.5 (NaOH); crystn.;
5-norbornene-2,3-dicarboxylic anhydride
826-62-0, 85081-15-8, 85081-16-9

5-norbornene-2,3-dicarboxylic anhydride

oxybis(benzoic acid)
2215-89-6

oxybis(benzoic acid)

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

PA-3

PA-3

Conditions
ConditionsYield
Stage #1: oxybis(benzoic acid); 3,3'-diamino-4,4'-dihydroxydiphenyl sulfone With benzotriazol-1-ol In 1-methyl-pyrrolidin-2-one
Stage #2: 5-norbornene-2,3-dicarboxylic anhydride In 1-methyl-pyrrolidin-2-one Product distribution / selectivity;
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

ethyl 3-ethoxy-3-iminopropanoate hydrochloride
2318-25-4

ethyl 3-ethoxy-3-iminopropanoate hydrochloride

C22H20N2O8S

C22H20N2O8S

Conditions
ConditionsYield
In methanol at 10 - 60℃; for 55h;
In methanol at 60℃; for 55h;
In methanol at 10 - 60℃; for 55h;
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

C64H66N4O8S

C64H66N4O8S

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: methanol / 55 h / 10 - 60 °C
2: piperidine / toluene / 19 h / 100 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: methanol / 55 h / 60 °C
2: piperidine / toluene / 19 h / 100 °C
View Scheme
Multi-step reaction with 2 steps
1: methanol / 55 h / 10 - 60 °C
2: piperidine / toluene / 19 h / 100 °C / Inert atmosphere
View Scheme
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

C64H50N4O8S

C64H50N4O8S

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: methanol / 55 h / 10 - 60 °C
2: piperidine / toluene / 6 h / 105 °C
View Scheme
Multi-step reaction with 2 steps
1: methanol / 55 h / 60 °C
2: piperidine / toluene / 6 h / 105 °C
View Scheme
4-(Diethylamino)salicylaldehyde
17754-90-4

4-(Diethylamino)salicylaldehyde

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

C40H34N4O8S

C40H34N4O8S

Conditions
ConditionsYield
With benzoic acid In pentan-1-ol at 120℃; for 15h;
With benzoic acid In pentan-1-ol at 120℃; for 15h;

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone Specification

The 3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone is an organic compound with the formula C12H12N2O4S. The IUPAC name of this product is 2-amino-4-(3-amino-4-hydroxyphenyl)sulfonylphenol . With the CAS registry number 7545-50-8, it is also named as 4,4'-Sulphonylbis(2-aminophenol) ; phenol, 4,4'-sulfonylbis[2-amino- ; Bis(3-amino-4-hydroxyphenyl) sulfone .

The product's categories are diphenyl sulfones (for high-performance polymer research), functional materials and reagent for high-performance polymer research. The 3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone is baby pink powder which is non-toxic. It must be stored at room temperature away from light and isolated from the air. People should not breathe dust and avoid contact with skin and eyes.

The 3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone is a heterocyclic aromatic monomer. In particular, it can be used as monomer in the  preparation of special polymer materials PBO. It has excellent mechanical properties and dielectric properties at high temperature. In addition, it has excellent thermal stability nature and excellent fiber and film properties. So it is widely used in aviation and aerospace industries, the textile industry and other areas need to enhance heat resistance.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 1.03 ; (2)# of Rule of 5 Violations: 1 ; (3)ACD/LogD (pH 5.5): 0.99 ; (4)ACD/LogD (pH 7.4): -0.06 ; (5)ACD/BCF (pH 5.5): 3.25 ; (6)ACD/BCF (pH 7.4): 1 ; (7)ACD/KOC (pH 5.5): 78.53 ; (8)ACD/KOC (pH 7.4): 6.93 ; (9)#H bond acceptors: 6 ; (10)#H bond donors: 6 ; (11)#Freely Rotating Bonds: 6 ; (12)Index of Refraction: 1.717 ; (13)Molar Refractivity: 70.57 cm3 ; (14)Molar Volume: 179.2 cm3 ; (15)Polarizability: 27.97×10-24 cm3 ; (16)Surface Tension: 84.5 dyne/cm ; (17)Enthalpy of Vaporization: 92.2 kJ/mol ; (18)Vapour Pressure: 7.61E-15 mmHg at 25°C ; (19)Rotatable Bond Count: 2 ; (20)Tautomer Count: 9 ; (21)Exact Mass: 280.051778 ; (22)MonoIsotopic Mass:  280.051778 ; (23)Topological Polar Surface Area: 135 ; (24)Heavy Atom Count: 19.

People can use the following data to convert to the molecule structure. SMILES: O=S(=O)(c1ccc(O)c(N)c1)c2ccc(O)c(N)c2; InChI: InChI=1/C12H12N2O4S/c13-9-5-7(1-3-11(9)15)19(17,18)8-2-4-12(16)10(14)6-8/h1-6,15-16H,13-14H2; InChIKey: KECOIASOKMSRFT-UHFFFAOYAO. 3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone has many suppliers, such as Changzhou Sunlight Pharmaceutical Co., Ltd..

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View