4-Aminobenzoic acid
4-Aminobenzoic acid (CAS: 150-13-0, H2NC6H4CO2H) is a significant organic compound with a molecular weight of 137.14 g/mol. It is a crystalline solid and a derivative of benzoic acid and aniline. Commonly known as PABA, it plays a role in various biochemical pathways and finds application as an intermediate in the synthesis of dyes, pharmaceuticals, and other organic compounds.
- IUPAC
- PABA,Vitamin Bx,Vitamin H1
- Synonyms
- PABAVitamin BxVitamin H1
Pharmaceutical Synthesis
4-Aminobenzoic acid serves as a key building block in the synthesis of various pharmaceutical agents. Its structure is integral to the development of certain anaesthetics and other therapeutic compounds.
Dye Manufacturing
This compound is utilised in the chemical industry as an intermediate in the production of azo dyes. It contributes to the chromophore structure in the synthesis of various coloured compounds.
UV Absorber Component
Historically, derivatives of 4-Aminobenzoic acid have been incorporated into formulations designed for UV absorption. Its properties make it relevant in the study and development of light-protective agents.
Organic Synthesis Reagent
As a bifunctional molecule containing both an amine and a carboxylic acid group, 4-Aminobenzoic acid is a versatile reagent in general organic synthesis for creating more complex molecules.
| Molecular weight | 137.14 |
|---|---|
| Linear formula | H2NC6H4CO2H |
| Assay | ≥99% |
| Grade | Vetec™ reagent grade |
| Density | 1.374 g/mL at 25 °C(lit.) |
| Storage temperature | 2-8°C |
| Melting point | 187-189 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 2 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38-43 |
| 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 used for?
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4-Aminobenzoic acid is used in pharmaceutical synthesis, dye manufacturing, as a component in UV absorbers, and as a reagent in organic synthesis.
What is the CAS number and chemical formula for 4-Aminobenzoic acid?
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The CAS number is 150-13-0 and the linear chemical formula is H2NC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Aminobenzoic acid in Vetec™ reagent grade with an assay of ≥99%. This product is not represented as USP, BP, or EP grade.
What are the safety considerations for handling 4-Aminobenzoic acid?
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4-Aminobenzoic acid is a warning substance (GHS07). It causes skin irritation (H315), may cause an allergic skin reaction (H317), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area.
How is 4-Aminobenzoic acid typically shipped or exported?
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Tech Serve Solutions exports fine chemicals globally, adhering to all relevant shipping and customs regulations for chemical products.
How can I request a sample or quote for 4-Aminobenzoic acid?
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Please contact our sales department through the website or by phone to request a sample or a formal quotation for 4-Aminobenzoic acid.
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