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p-Aminobenzoic Acid (PABA)

CAS # 150-13-0

p-Aminobenzoic Acid (PABA) is a versatile aromatic intermediate used in, dyes and pigments, UV absorber production, pharmaceutical synthesis, and specialty chemical formulations.

Description:

p-Aminobenzoic Acid (PABA) is an aromatic amino acid derivative used as a key intermediate in pharmaceuticals, personal care formulations, and specialty chemical manufacturing. Featuring both amine and carboxylic acid functional groups, PABA provides versatile reactivity for synthesizing dyes, UV absorbers, folate-related compounds, and advanced intermediates.

General Properties:

  • Molecular Formula: C₇H₇NO₂

  • Appearance: White to off-white crystalline powder

  • Melting Point: ~186–189 °C

  • Solubility: Slightly soluble in water; soluble in alcohols and organic solvents

 

Applications:

  • Pharmaceutical Intermediates

    • Used in the synthesis of active pharmaceutical ingredients, folate-related compounds, and specialty medicinal intermediates.

  • Personal Care & UV Absorbers

    • Serves as a precursor for UV-filter ingredients and specialty personal care additives.

  • Dyes & Pigments

    • Used as an intermediate in azo dyes, colorants, and specialty pigment manufacturing.

  • Specialty Chemical Synthesis

    • Functions as a building block for advanced intermediates, corrosion inhibitors, and performance additives.

 

Advantages:

  • Dual Functional Reactivity: Contains both amine and acid groups, enabling flexible chemical transformations.

  • High-Purity Consistency: Supports reliable performance in sensitive pharmaceutical and specialty applications.

  • Versatile Industrial Applications: Suitable for pharmaceuticals, dyes, personal care, and specialty chemicals.

  • Supports Advanced Formulation Development: Ideal building block for high-value intermediates and performance chemicals.

 

Safety & Handling:

p-Aminobenzoic Acid should be handled using standard industrial safety practices.

  • May cause mild irritation to eyes, skin, or respiratory tract

  • Avoid inhalation of dust

  • Use appropriate protective equipment during handling

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