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CAS 150-13-0

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4-Aminobenzoic acid

Description:
4-Aminobenzoic acid, commonly known as PABA, is an aromatic amine and a derivative of benzoic acid. It features an amino group (-NH2) para to the carboxylic acid group (-COOH) on the benzene ring, which contributes to its chemical properties. PABA is a white crystalline solid that is soluble in water and alcohol, but less soluble in non-polar solvents. It has a melting point that typically falls within a specific range, indicating its stability under standard conditions. PABA is known for its role in the synthesis of folic acid and is utilized in various applications, including as a sunscreen agent due to its UV-absorbing properties. Additionally, it has been used in the production of dyes and as a precursor in the manufacture of pharmaceuticals. While PABA is generally considered safe, it can cause allergic reactions in some individuals. Its chemical formula is C7H9NO2, and it has a molecular weight that reflects its structure, making it an important compound in both organic chemistry and biochemistry.
Formula:C7H7NO2
InChI:InChI=1/C7H7NO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,8H2,(H,9,10)/p-1
InChI key:InChIKey=ALYNCZNDIQEVRV-UHFFFAOYSA-N
SMILES:C(O)(=O)C1=CC=C(N)C=C1
Synonyms:
  • 4-Aminobenzenecarboxylic acid
  • 4-Aminobenzoate
  • 4-Aminobenzoesaeure
  • 4-Aminobenzoesaure
  • 4-Aminobenzonic acid
  • 4-Carboxyaniline
  • 4-Carboxyphenylamine
  • Acid 4-aminobenzoico
  • Acide 4-aminobenzoique
  • Acido 4-Aminobenzoico
  • See more synonyms
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