4,4'-Diamino-[1,1'-biphenyl]-3,3'-disulfonic acid

Name: 4,4'-Diamino-[1,1'-biphenyl]-3,3'-disulfonic acid
Brand: ChemScene
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CAS No. 3365-90-0
Cat. No. CS-0110604
Purity≥95%
MDL No.MFCD01026108

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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4,4'-Diamino-[1,1'-biphenyl]-3,3'-disulfonic acid|CS-0110604

Structure of 3365-90-0

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Description

This bifunctional sulfonated diamine integrates two amino groups flanked by rigid biphenyl and disulfonic acid moieties, enabling robust conjugation in polyimide synthesis. The electron-rich aromatic core enhances thermal stability, while the pendant sulfonic acids promote solubility in polar media.

Application

4,4'-Diamino-[1,1'-biphenyl]-3,3'-disulfonic acid serves as a versatile building block for sulfonated aromatic diamines, enabling the synthesis of polyamides, dyes, and functional materials with enhanced solubility and thermal stability. Its two sulfonic acid groups provide excellent water solubility and facilitate purification via ion-exchange chromatography, while the para-aminobiphenyl core supports robust coupling reactions under standard conditions. The molecule exhibits good bench stability and functions effectively in both solution-phase and solid-phase synthetic workflows.

General Information

CAS No. 3365-90-0
Cat. No. CS-0110604
Purity ≥95%
MDL No. MFCD01026108
Storage 4°C, protect from light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₂H₁₂N₂O₆S₂
Molecular Weight 344.36
Synonym(s) Benzidine-3,3''-disulfonic acid
SMILES O=S(C1=CC(C2=CC=C(C(S(=O)(O)=O)=C2)N)=CC=C1N)(O)=O

Computational Chemistry Data

TPSA 160.78
LogP 1.0114
H_Acceptors 6
H_Donors 4
Rotatable_Bonds 3

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H315-H319
Precautionary Statements : P264-P280-P302+P352-P362+P364

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4,4'-Diamino-[1,1'-biphenyl]-3,3'-disulfonic acid

CAS No. 3365-90-0

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