4-Aminobenzoic acid sodium salt
4-Aminobenzoic acid sodium salt (CAS 555-06-6), with the molecular formula C7H6NO2Na and a molecular weight of 159.12 g/mol, is a sodium salt derivative of PABA. It is supplied by Tech Serve Solutions with an assay of ≥99%. This compound finds utility in various chemical synthesis applications, particularly within the realms of chemical biology and peptide chemistry, serving as a valuable reagent for researchers and industrial chemists.
- IUPAC
- PABA

Chemical Synthesis Reagent
Utilised as a building block or intermediate in the synthesis of more complex organic molecules. Its functional groups allow for diverse chemical transformations.
Peptide Chemistry
Serves as a derivative of an unnatural amino acid, enabling the incorporation of modified structures into peptides for research or therapeutic development.
Chemical Biology Research
Employed in studies investigating biological processes where modified amino acids or related structures are of interest.
| Molecular weight | 159.12 |
|---|---|
| Linear formula | C7H6NO2Na |
| Assay | ≥99% |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Aminobenzoic acid sodium salt used for?
+
4-Aminobenzoic acid sodium salt is primarily used in chemical synthesis, including peptide chemistry and chemical biology research, as a derivative of an unnatural amino acid.
What are the CAS number and molecular formula for 4-Aminobenzoic acid sodium salt?
+
The CAS number is 555-06-6, and the molecular formula is C7H6NO2Na.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-Aminobenzoic acid sodium salt with an assay of ≥99%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
How should 4-Aminobenzoic acid sodium salt be handled?
+
This compound is a warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Wear appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation.
Is 4-Aminobenzoic acid sodium salt a controlled substance?
+
The provided data does not indicate that 4-Aminobenzoic acid sodium salt is a controlled substance.
How is 4-Aminobenzoic acid sodium salt shipped and exported?
+
Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Specific shipping and export details for 4-Aminobenzoic acid sodium salt can be provided upon request.
How can I request a sample or quote for 4-Aminobenzoic acid sodium salt?
+
Please contact our sales team via the website or your usual representative to request a sample or a quotation for 4-Aminobenzoic acid sodium salt.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis