4-Aminobenzylphosphonic acid
4-Aminobenzylphosphonic acid (CAS: 5424-27-1), with the molecular formula C7H10NO3P and a molecular weight of 187.13 g/mol, is a key organic building block. This compound, featuring both an amine and a phosphonic acid group, is primarily utilised in chemical synthesis and research applications. Its distinct structure makes it valuable for creating more complex molecules in organic chemistry and materials science research.

Organic Synthesis Intermediate
4-Aminobenzylphosphonic acid serves as a versatile intermediate in the synthesis of novel organic compounds. Its bifunctional nature allows for diverse chemical modifications, enabling the construction of complex molecular architectures for various research purposes.
Building Block for Phosphorus-Containing Compounds
This compound is a valuable building block for introducing phosphonic acid moieties into organic structures. It is used in the development of new materials and molecules where phosphorus incorporation is desired for specific chemical or physical properties.
Research and Development
Utilised in academic and industrial research laboratories, 4-Aminobenzylphosphonic acid facilitates exploration in fields such as medicinal chemistry and materials science. Its availability aids in the discovery of new chemical entities and applications.
| Molecular weight | 187.13 |
|---|---|
| Empirical formula | C7H10NO3P |
| Assay | ≥95% |
| Storage temperature | −20°C |

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 |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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-Aminobenzylphosphonic acid used for?
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4-Aminobenzylphosphonic acid is primarily used as a building block in organic synthesis and for the development of phosphorus-containing compounds in research and development settings.
What is the CAS number and formula for 4-Aminobenzylphosphonic acid?
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The CAS number is 5424-27-1 and the empirical formula is C7H10NO3P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Aminobenzylphosphonic acid with an assay of ≥95%. This product is suitable for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should 4-Aminobenzylphosphonic acid be handled?
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Handle 4-Aminobenzylphosphonic acid with appropriate personal protective equipment, including a dust mask (N95 type US), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust, as it may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is 4-Aminobenzylphosphonic acid exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Aminobenzylphosphonic acid.
How can I request a quote or sample for 4-Aminobenzylphosphonic acid?
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To request a quote or sample, please contact our sales team via the website or designated contact channels, providing the product name and CAS number (5424-27-1).
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