3,3'-Diaminobenzidine
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Product Name :
3,3'-Diaminobenzidine
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CAS No :
91-95-2
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Project State :
Commercial
Application
General Description
Cost-effective customized wholesale 3,3'-Diaminobenzidine 91-95-2
- Molecular Formula:C12H14N4
- Molecular Weight:214.27
- Appearance/Colour:solid
- Melting Point:175-177 °C(lit.)
- Refractive Index:1.5000 (estimate)
- Boiling Point:481.7 °C at 760 mmHg
- PKA:4.39±0.10(Predicted)
- Flash Point:282.7oC
- PSA：104.08000
- Density:1.307 g/cm3
- LogP:4.00720
91-95-2 Relevant articles
Preparation method of 3,3',4,4'-tetraaminobiphenyl
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Paragraph 0061-0076, (2021/06/09)
The invention discloses a preparation me...
Synthesis method of benzidine compound
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Paragraph 0046; 0049; 0055; 0063, (2018/07/30)
The invention discloses a synthesis meth...
A new facile, efficient synthesis and structure peculiarity of quinoxaline derivatives with two benzimidazole fragments
Mamedov, Vakhid A.,Zhukova, Nataliya A.,Syakaev, Victor V.,Gubaidullin, Aidar T.,Beschastnova, Tat'Yana N.,Adgamova, Dil'Bar I.,Samigullina, Aida I.,Latypov, Shamil K.
, p. 1403 - 1416 (2013/02/23)
A highly efficient and versatile method ...
Design, synthesis, and anti-tumor evaluation of novel symmetrical bis-benzimidazoles
Yang, Yan-Hui,Cheng, Mao-Sheng,Wang, Qing-He,Nie, Han,Liao, Na,Wang, Jian,Chen, Hong
experimental part, p. 1808 - 1812 (2009/06/28)
A novel symmetrical bis-benzimidazole wa...
91-95-2 Process route
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6271-79-0
3,3'-dinitrobenzidine
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91-95-2
3,3',4,4'-tetraaminobiphenyl
| Conditions | Yield |
|---|---|
|
With
palladium on activated charcoal; hydrogen;
In
methanol;
at 55 - 60 ℃;
for 3h;
under 6375.64 - 6750.68 Torr;
Large scale;
|
90.6% |
|
With
10% Pd on charcoal; hydrogen;
In
methanol;
at 20 ℃;
for 3h;
|
89% |
|
With
hydrogenchloride; tin(ll) chloride;
In
ethanol; water;
at 0 - 70 ℃;
for 10.5 - 12.5h;
|
80% |
|
With
hydrogenchloride; tin(ll) chloride;
at 25 - 40 ℃;
for 2h;
|
73% |
|
With
methanol; sodium dithionite;
|
|
|
With
hydrochloride of tin dichloride;
|
|
|
With
hydrogen;
nickel;
In
methanol;
under 760 Torr;
Ambient temperature;
|
|
|
With
hydrogen;
nickel;
Yield given;
|
|
|
With
hydrogen;
nickel;
In
acetone;
for 2h;
under 2068.65 Torr;
|
|
|
With
hydrogen;
carbon palladium; palladium;
In
methanol;
|
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91-94-1
3,3'-dichlorobenzidine
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91-95-2
3,3',4,4'-tetraaminobiphenyl
| Conditions | Yield |
|---|---|
|
With
ammonium hydroxide; tetrabutyl-ammonium chloride; ammonia; copper dichloride;
at 10 - 180 ℃;
for 7.5h;
under 20252 - 24002.4 Torr;
Reagent/catalyst;
Temperature;
Pressure;
Inert atmosphere;
Autoclave;
|
93.1% |
91-95-2 Upstream products
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6271-79-0
3,3'-dinitrobenzidine
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7647-01-0
hydrogenchloride
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20691-72-9
4-iodo-2-nitroaniline
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88-74-4
2-nitro-aniline
91-95-2 Downstream products
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92444-64-9
Biphenyl-3,4,3',4'-tetraamine; compound with 1,3-dinitro-benzene
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92415-63-9
Biphenyl-3,4,3',4'-tetraamine; compound with 2,4-dinitro-phenol
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92415-60-6
Biphenyl-3,4,3',4'-tetraamine; compound with 1,3,5-trinitro-benzene
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92415-57-1
2-Chloro-1,3,5-trinitro-benzene; compound with biphenyl-3,4,3',4'-tetraamine