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CAS 6051-43-0

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4-(Aminocarbonyl)benzoic acid

Description:
4-(Aminocarbonyl)benzoic acid, also known as para-aminobenzoic acid (PABA), is an aromatic carboxylic acid characterized by the presence of both an amino group (-NH2) and a carboxylic acid group (-COOH) attached to a benzene ring. This compound typically appears as a white crystalline solid and is soluble in water, particularly at elevated temperatures. 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. It also serves as an intermediate in the production of dyes and pharmaceuticals. The compound exhibits both acidic and basic properties, allowing it to participate in various chemical reactions, such as esterification and amidation. Additionally, PABA is recognized for its potential role in enhancing the effectiveness of certain medications and is sometimes included in dietary supplements. Its safety profile is generally favorable, although some individuals may experience allergic reactions.
Formula:C8H7NO3
InChI:InChI=1S/C8H7NO3/c9-7(10)5-1-3-6(4-2-5)8(11)12/h1-4H,(H2,9,10)(H,11,12)
InChI key:InChIKey=JMHSCWJIDIKGNZ-UHFFFAOYSA-N
SMILES:C(N)(=O)C1=CC=C(C(O)=O)C=C1
Synonyms:
  • 4-(Aminocarbonyl)benzoic acid
  • 4-Carbamoylbenzoic acid
  • Benzoic acid, 4-(aminocarbonyl)-
  • Terephthalamic acid
  • p-Carbamoylbenzoic acid
  • p-Carboxybenzamide
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