(S)-(+)-1-Aminoethylphosphonic acid
(S)-(+)-1-Aminoethylphosphonic acid (CAS: 66068-76-6; Formula: CH3CH(NH2)P(O)(OH)2) is a chiral organophosphorus compound supplied by TSS. With a molecular weight of 125.06 g/mol, this compound serves as a valuable building block in asymmetric synthesis and organic chemistry. Its defined stereochemistry makes it essential for the development of stereospecific molecules and advanced chemical research.
- IUPAC
- D-(+)-1-Aminoethylphosphonic acid,D-Ala(P)

Chiral Building Block
Utilised in organic synthesis to introduce specific stereocentres. Its enantiopure nature is critical for the creation of complex chiral molecules.
Asymmetric Synthesis
Serves as a key intermediate in the preparation of stereochemically defined compounds. Essential for research aiming for enantioselective transformations.
Chemical Research
Employed in academic and industrial laboratories for the exploration of novel chemical pathways and the synthesis of phosphonic acid derivatives.
| Molecular weight | 125.06 |
|---|---|
| Linear formula | CH3CH(NH2)P(O)(OH)2 |
| Assay | ≥98.0% (NT) |
| Optical activity | [α]20/D +4.8±0.5°, c = 5% in H2O |
| Melting point | 290 °C (dec.)(lit.) |

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) | 26-37/39 |
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 (S)-(+)-1-Aminoethylphosphonic acid used for?
+
(S)-(+)-1-Aminoethylphosphonic acid is used as a chiral building block in asymmetric synthesis and organic chemical research.
What is the CAS number and chemical formula for (S)-(+)-1-Aminoethylphosphonic acid?
+
The CAS number is 66068-76-6 and the chemical formula is CH3CH(NH2)P(O)(OH)2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies (S)-(+)-1-Aminoethylphosphonic acid with an assay of ≥98.0% (NT). TSS does not represent this chemical as USP, BP, or EP grade.
What are the safety and handling precautions for this compound?
+
This compound is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Wear a dust mask type N95 (US), suitable eyeshields, and gloves. Ensure adequate ventilation.
How is (S)-(+)-1-Aminoethylphosphonic acid packed and shipped?
+
Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging for safe transport according to international regulations.
How can I request a sample or quote for (S)-(+)-1-Aminoethylphosphonic acid?
+
Please contact our sales team through our website or by phone to request a sample or a detailed quotation.
▶ 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