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CS-W001157 4
Total: USD 88.00

4-Aminobenzoic acid potassium

  • CAS No. 138-84-1

  • Cat. No. CS-0013318
  • Purity≥98%
  • MDL No.MFCD00064911
  • HazMat Fee +

    HazMat Fee

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it. There is a HazMat shipping fee for each item that qualifies as a dangerous good, except in the following scenarios:

    The shipment is processed through FedEx Ground under the Limited Quantity option.

    Each bottle is packed as an Excepted Quantity, with a maximum of 1g for items in class 6.1 packing group I or II, and up to 25g for all other hazardous materials.

    If shipping is charged to your FedEx account, the HazMat fee will be billed directly by the courier. Otherwise, the fee will be included on your invoice. To help you avoid the HazMat fee, we can package a 5g order of a class 6.1 packing group I or II material as five separate 1g units, and a 100g order of any other dangerous good as four 25g units. This packaging adjustment will be made unless you instruct otherwise on your purchase order. Below, you will find the fee schedule from FedEx for handling hazardous materials.

    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+

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

    There is a HazMat shipping fee for each item that qualifies as a dangerous good. Please contact our quotation team via email to confirm the details.

*For research and further manufacturing use only, not for direct human use.

4-Aminobenzoic acid potassium|CS-0013318

Structure of 138-84-1

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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.

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

Computational Chemistry Data

  • TPSA   52.32
  • LogP   0.5091
  • H_Acceptors   3
  • H_Donors   1
  • Rotatable_Bonds   1

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

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