4-Aminobenzoic acid potassium

Name: 4-Aminobenzoic acid potassium
Brand: ChemScene
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CAS No. 138-84-1
Cat. No. CS-0013318
Purity≥98%
MDL No.MFCD00064911

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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+
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4-Aminobenzoic acid potassium|CS-0013318

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General Information

CAS No. 138-84-1
Cat. No. CS-0013318
Purity ≥98%
MDL No. MFCD00064911
Storage 4°C, sealed storage, away from moisture and light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₆KNO₂
Molecular Weight 175.23
Synonym(s) PABA (potassium); p-Aminobenzoic acid (potassium)
SMILES NC1=CC=C(C=C1)C(O[K])=O

Description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standardsThese Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Application

4-Aminobenzoic acid (potassium) serves as a stable, water-soluble precursor for the synthesis of pharmaceutically relevant benzamide derivatives and heterocyclic scaffolds. Its amine and carboxylate functionalities enable straightforward coupling reactions and salt metathesis, facilitating integration into multi-step synthetic sequences. The potassium salt enhances solubility and handling in aqueous or polar organic media, supporting efficient purification and consistent reactivity across bench-scale applications.

Synthesis

Route1
- 201230-82-2
- In-stock
  
  540-37-4
- ~69%
- In-stock
  
  138-84-1
References
- Bumagin, N. A.; Nikitin, K. V.; Beletskaya, I. P. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1988 , vol. 37, # 6 p. 1286 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1988 , # 6 p. 1450

Safety Information

Download SDS

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

Quality Control

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Computational Chemistry Data

TPSA 52.32
LogP 0.5091
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 1

Other Classifications

Bioactive Molecules Bioactive Small Molecules

Building Blocks Functional Group Amine

Building Blocks Functional Group Ester

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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4-Aminobenzoic acid potassium

CAS No. 138-84-1

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