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4-Aminobenzoic acid

ALDRICH/100536 - ReagentPlus®, 99%

Synonym: PABA; Vitamin Bx; Vitamin H1

CAS Number: 150-13-0
Empirical Formula (Hill Notation): C7H7NO2
Molecular Weight: 137.14
EC Number: 205-753-0
MDL Number: MFCD00007894
Linear Formula: H2NC6H4CO2H
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-100536-50G 50 g
 $33.60
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45-100536-250G 250 g
 $54.30
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45-100536-1KG 1 kg
 $163.00
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45-100536-5KG 5 kg
 $538.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 100536-50G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 100536-250G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 100536-250G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 100536-50G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 100536-1KG

 

application(s) peptide synthesis
assay 99%
density 1.374 g/mL at 25 °C (lit.)
form solid
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
mp 187-189 °C (lit.)
product line ReagentPlus®
Quality Level 200 
reaction suitability reaction type: solution phase peptide synthesis
SMILES string Nc1ccc(cc1)C(O)=O
solubility 95% ethanol: soluble 5%, clear to slightly hazy, colorless to yellow
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.
Legal Information: ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Packaging: 1 kg in poly bottle
Packaging: 5 kg in poly drum
Packaging: 50, 250 g in poly bottle
Hazard Codes Xi
Risk Statements 36/37/38-43
Safety Statements 26-36
RIDADR NONH for all modes of transport
WGK Germany WGK 2
Flash Point(F) 339.8 °F
Flash Point(C) 171 °C
Purity 99%
mp 187-189 °C (lit.)
Density 1.374 g/mL at 25 °C (lit.)
UNSPSC 12352106

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