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:
Molecular Weight:
137.14
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352106
EC Number:
205-753-0
MDL number:
Beilstein/REAXYS Number:
471605
eCl@ss:
32160406
Product Name
4-Aminobenzoic acid, ReagentPlus®, ≥99%
biological source
synthetic (organic)
Quality Level
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
pcodes
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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