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100536 Aldrich

4-Aminobenzoic acid

ReagentPlus®, 99%

Synonym: PABA, Vitamin Bx, Vitamin H1

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Properties

Related Categories Amino acids, Aromatic Amino Acids, Cell Biology, Chemical Biology, Chemical Reagents,
grade   ReagentPlus®
InChI Key   ALYNCZNDIQEVRV-UHFFFAOYSA-N
assay   99%
mp   187-189 °C(lit.)
solubility   95% ethanol: soluble 5% clear to slightly hazy, colorless to yellow
density   1.374 g/mL at 25 °C(lit.)

Description

Packaging

1 kg in poly bottle

5 kg in poly drum

50, 250 g in poly bottle

Application

4-Aminobenzoic acid may be used in the following studies:
• Covalent modification of glassy carbon electrode.
• Synthesis of 1,4-(2-chlorobenzylidene)aminobenzoic acid (Schiff base).
• Spectrophotometric determination of the trace amounts of dopamine, methyldopa and levodopa.
• Synthesis of 1:1 proton-transfer compound with 5-sulfosalicylic acid.

General description

4-Aminobenzoic acid (4-ABA) acts as an bacterial cofactor and participates in the synthesis of folic acid. It is a versatile reagent for structure extension through linear hydrogen-bonding associations, involving both the carboxylic acid and amine functional groups. Formation of 4-ABA monolayer film on glassy carbon electrode (GCE) by amino cation radical method has been described. Molecular adducts of 4-ABA have been prepared and their characterization by infrared spectroscopy and X-ray diffration methods have been reported.

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Laboratory Gloves

Cross-Coupling Guide

All labs need water
Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
2
Protocols & Articles
Peer-Reviewed Papers
15

References

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