L-2,4-Diaminobutyric acid dihydrochloride
L-2,4-Diaminobutyric acid dihydrochloride (CAS: 1883-09-6) is a derivative of the unnatural amino acid 2,4-diaminobutyric acid. Exhibiting specific optical activity, this compound serves as a valuable building block in chemical synthesis and peptide chemistry. It is particularly useful in research involving chemical biology and the development of unnatural amino acid derivatives. Tech Serve Solutions supplies this reagent for laboratory and research applications.
- Synonyms
- NH2CH2CH2CH(NH2)COOH · 2HCl

Chemical Synthesis
Utilised as a precursor and building block in the synthesis of complex organic molecules and novel chemical entities. Its difunctional nature allows for diverse chemical transformations.
Peptide Chemistry
Incorporated into peptide chains to create modified peptides with altered properties or functionalities. It serves as an unnatural amino acid derivative for peptide research.
Chemical Biology Research
Employed in studies exploring biological processes where unnatural amino acids can act as probes or modulators. Facilitates research into protein structure and function.
Unnatural Amino Acid Derivatives
Acts as a key intermediate in the preparation of a variety of unnatural amino acid derivatives for specialised applications in medicinal chemistry and materials science.
| Molecular weight | 191.06 |
|---|---|
| Linear formula | NH2CH2CH2CH(NH2)COOH · 2HCl |
| Assay | ≥95.0% (AT)≥95.0% |
| Optical activity | [α]20/D +14.5±1.5°, c = 3.67% in H2O |
| Melting point | 197-200 °C (dec.) |


Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- 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) | 37/38-41 |
| Safety statements (S) | 26-36/39 |
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 L-2,4-Diaminobutyric acid dihydrochloride used for?
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L-2,4-Diaminobutyric acid dihydrochloride is primarily used in chemical synthesis, peptide chemistry, and chemical biology research as a building block for unnatural amino acid derivatives.
What is the CAS number and chemical formula for L-2,4-Diaminobutyric acid dihydrochloride?
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The CAS number is 1883-09-6, and the linear formula is NH₂CH₂CH₂CH(NH₂)COOH · 2HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-2,4-Diaminobutyric acid dihydrochloride with an assay of ≥95.0% (AT) and ≥95.0%. This is a research-grade chemical and not represented as USP, BP, or EP.
How should L-2,4-Diaminobutyric acid dihydrochloride be handled safely?
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This compound is a Danger hazard, causing skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, in a well-ventilated area.
Is L-2,4-Diaminobutyric acid dihydrochloride a controlled substance?
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The provided data does not indicate that L-2,4-Diaminobutyric acid dihydrochloride is a controlled substance.
How is L-2,4-Diaminobutyric acid dihydrochloride packed and shipped?
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Our chemicals are carefully packed according to international shipping regulations to ensure safe transit and export worldwide. Specific packaging details are confirmed upon order.
How can I request a sample or quote for L-2,4-Diaminobutyric acid dihydrochloride?
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Please contact our sales team via the website or direct email to request a sample or obtain a quote for L-2,4-Diaminobutyric acid dihydrochloride.
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