4-Aminobutylphosphonic acid
4-Aminobutylphosphonic acid (CAS: 35622-27-6), with the molecular formula C4H12NO3P, is a phosphonic acid derivative and a modified amino acid. This compound serves as a valuable building block and reagent in various chemical research and development applications. Its structure lends itself to studies in biochemistry and materials science, offering specific functionalities for synthetic chemists and researchers exploring novel molecular architectures.

Biochemical Research
Utilised in studies related to enzyme inhibition, metabolic pathways, and the development of novel therapeutic agents. Its phosphonate group can mimic phosphate groups in biological systems.
Organic Synthesis
Serves as a key intermediate or building block in the synthesis of more complex organic molecules. Its bifunctional nature allows for diverse chemical modifications.
Materials Science
Investigated for its potential use in creating functionalised materials, polymers, or surface modifications due to the presence of both amine and phosphonic acid moieties.
| Molecular weight | 153.12 |
|---|---|
| Empirical formula | C4H12NO3P |
| 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-Aminobutylphosphonic acid used for?
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4-Aminobutylphosphonic acid is primarily used in biochemical research, organic synthesis as a building block, and in materials science for developing functionalised materials. It is also studied for its potential as an enzyme inhibitor.
What are the CAS number and formula for 4-Aminobutylphosphonic acid?
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The CAS number for 4-Aminobutylphosphonic acid is 35622-27-6, and its empirical formula is C4H12NO3P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Aminobutylphosphonic acid with an assay of ≥99%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 4-Aminobutylphosphonic acid be handled?
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Handle 4-Aminobutylphosphonic acid with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Ensure good ventilation. It is classified as causing skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335).
Is 4-Aminobutylphosphonic acid a controlled substance?
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The provided data does not indicate that 4-Aminobutylphosphonic acid is a controlled substance.
How is 4-Aminobutylphosphonic acid packaged and shipped?
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4-Aminobutylphosphonic acid is carefully packaged to ensure safe transit and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or sample of 4-Aminobutylphosphonic acid, please contact our sales team through the website or via direct inquiry, providing your specific requirements.
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