Potassium 4-nitro-2-sulfonatobenzoate

Name: Potassium 4-nitro-2-sulfonatobenzoate
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CAS No. 5344-48-9
Cat. No. CS-0187608
Purity≥97%
MDL No.MFCD09751290

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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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Potassium 4-nitro-2-sulfonatobenzoate|CS-0187608

Structure of 5344-48-9

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General Information

CAS No. 5344-48-9
Cat. No. CS-0187608
Purity ≥97%
MDL No. MFCD09751290
Storage Store at room temperature, keep dry and cool
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₃K₂NO₇S
Molecular Weight 323.36
Synonym(s) None
SMILES O=C([O-])C1=CC=C([N+]([O-])=O)C=C1S(=O)([O-])=O.[K+].[K+]

Description

Potassium 4-nitro-2-sulfonatobenzoate features a dual functional group architecture: a para-nitro group and a meta-sulfonate, enabling strong ionic interactions and enhanced solubility. This bench-stable anion integrates readily into conjugation workflows, serving as a robust platform for bioconjugation and metal coordination studies under standard conditions.

Application

Potassium 4-nitro-2-sulfonatobenzoate serves as a versatile building block in synthetic organic chemistry, enabling efficient access to functionalized aromatic systems. Its dual electron-withdrawing groups—nitro and sulfonate—enhance reactivity in nucleophilic aromatic substitution and facilitate metal-catalyzed coupling reactions. The water-soluble anion improves handling and purification, while the stable, bench-ready form supports scalable synthesis of heterocyclic scaffolds and pharmaceutical intermediates.

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362+P364-P405-P501

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Computational Chemistry Data

TPSA 140.47
LogP -7.1296
H_Acceptors 7
H_Donors 0
Rotatable_Bonds 3

Other Classifications

Building Blocks Functional Group Nitro compounds

Building Blocks Functional Group Ester

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Inorganic Chemistry Metallic Salts Metallate Salts

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Potassium 4-nitro-2-sulfonatobenzoate

CAS No. 5344-48-9

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