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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