(R)-(+)-1,2-Diaminopropane dihydrochloride
(R)-(+)-1,2-Diaminopropane dihydrochloride (CAS: 19777-67-4) is a chiral organic compound with the molecular formula CH3CH(NH2)CH2NH2·2HCl and a molecular weight of 147.05 g/mol. This amine salt serves as a valuable chiral building block in organic synthesis. Its specific stereochemistry makes it particularly useful in the development of enantiomerically pure compounds and in asymmetric catalysis.
- IUPAC
- (R)-(+)-Propylenediamine dihydrochloride,1,2-Propanediamine dihydrochloride
- Synonyms
- (R)-(+)-Propylenediamine dihydrochloride1,2-Propanediamine dihydrochloride

Chiral Building Block
This compound is extensively used as a chiral synthon in the asymmetric synthesis of complex organic molecules. Its diamine structure allows for versatile derivatisation in the construction of stereodefined products.
Asymmetric Catalysis
As a chiral diamine derivative, it can act as a ligand or precursor for chiral catalysts. These catalysts are essential for enantioselective transformations in organic chemistry.
Research and Development
It is employed in academic and industrial research laboratories for exploring new synthetic methodologies and developing novel chiral compounds with potential biological activity.
| Molecular weight | 147.05 |
|---|---|
| Linear formula | CH3CH(NH2)CH2NH2·2HCl |
| Assay | 99% |
| Optical activity | [α]20/D +4.0°, c = 20 in H2O |
| Melting point | 241-244 °C(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) | 26-36 |
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 (R)-(+)-1,2-Diaminopropane dihydrochloride used for?
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This compound is primarily used as a chiral building block in asymmetric synthesis and as a precursor for chiral catalysts in organic chemistry research and development.
What is the CAS number and formula for (R)-(+)-1,2-Diaminopropane dihydrochloride?
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The CAS number is 19777-67-4 and the linear formula is CH3CH(NH2)CH2NH2·2HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-(+)-1,2-Diaminopropane dihydrochloride with an assay of 99%. This is a research-grade chemical and is not supplied as USP, BP, EP, or pharmacopoeia grade.
What are the primary safety concerns when handling this chemical?
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This compound is classified as a Warning (GHS07) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used.
How is this chemical packed and shipped?
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Tech Serve Solutions expertly packs and exports fine chemicals globally, adhering to all necessary regulations for safe transportation.
How can I request a quote or sample?
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Please contact our sales team via the website to request a quote or a sample of (R)-(+)-1,2-Diaminopropane dihydrochloride.
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