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A9878

4-Aminobenzoic acid

≥99%, for peptide synthesis, ReagentPlus®

Synonym(s):

para-Aminobenzoic acid, PABA, Vitamin Bx, Vitamin H1

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About This Item

Linear Formula:
H2NC6H4CO2H
CAS Number:
150-13-0
Molecular Weight:
137.14
NACRES:
NA.22
PubChem Substance ID:
24891403
UNSPSC Code:
12352106
EC Number:
205-753-0
MDL number:
MFCD00007894
Beilstein/REAXYS Number:
471605
eCl@ss:
32160406
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Product Name

4-Aminobenzoic acid, ReagentPlus®, ≥99%

biological source

synthetic (organic)

Quality Level

200

product line

ReagentPlus®

assay

≥99%

form

powder

reaction suitability

reaction type: solution phase peptide synthesis

mp

187-189 °C (lit.)

solubility

ethanol: 50 mg/mL, clear, colorless to faintly yellow

density

1.374 g/mL at 25 °C (lit.)

application(s)

peptide synthesis

storage temp.

room temp

SMILES string

Nc1ccc(cc1)C(O)=O

InChI

1S/C7H7NO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,8H2,(H,9,10)

InChI key

ALYNCZNDIQEVRV-UHFFFAOYSA-N

General description

4-Aminobenzoic acid, also known as para-aminobenzoic acid (PABA), is utilized as a precursor in the synthesis of aromatic amines and azo dyes.

Application

4-Aminobenzoic acid is used:
  • As a building block in the synthesis of Polyamides
  • As a substrate in folic acid production
  • In the synthesis of Schiff base
  • As an organic ligand in metal-organic framework (MOFs) synthesis

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

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hcodes

H412

Hazard Classifications

Aquatic Chronic 3

Storage Class

11 - Combustible Solids

flash_point_f

339.8 °F - closed cup

flash_point_c

171 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000535065
0000535065
MKDB0878
0000520484
0000520484

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Regioselective, photochemical bromination of aromatic compounds using N-bromosuccinimide.
Chhattise PK, et al.
Tetrahedron Letters, 49(1), 189-194 (2008)
Simple conversion of aromatic amines into azides
Q Liu
Organic Letters, 5, 2571-2572 (2003)
Unsaturated polyamides prepared from 3-amino-or 4-carboxycinnamic acid and their heat curing to thermally stable resins
CD Diakoumakos
Polymer, 36, 387-392 (1995)
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