Selenocystamine dihydrochloride
Selenocystamine dihydrochloride (CAS: 3542-13-0) is a chemical compound with the formula C4H12N2Se2 · 2HCl and a molecular weight of 318.99 g/mol. It presents as a yellow to orange powder. This compound is soluble in water. Its applications are primarily within biochemical research and as a reagent in various chemical syntheses, particularly where selenium incorporation is required.

Biochemical Research Reagent
Selenocystamine dihydrochloride serves as a valuable reagent in biochemical studies, particularly in the investigation of selenium-containing amino acids and their biological roles.
Chemical Synthesis Intermediate
This compound can be utilised as an intermediate in organic synthesis, enabling the introduction of selenium moieties into complex molecules.
Laboratory Reagent
As a laboratory reagent, it finds use in diverse analytical and synthetic procedures within research and development settings.
| Molecular weight | 318.99 |
|---|---|
| Empirical formula | C4H12N2Se2 · 2HCl |
| Form | powder |
| Colour | yellow to orange |
| Solubility | H2O: soluble, clear to slightly hazy |



Hazard statements
- H301Toxic if swallowed
- H331Toxic if inhaled
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/25-33-50/53 |
| Safety statements (S) | 20/21-28-45-60-61 |
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 Selenocystamine dihydrochloride used for?
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Selenocystamine dihydrochloride is primarily used as a reagent in biochemical research and in chemical synthesis for introducing selenium.
What is the CAS number and formula for Selenocystamine dihydrochloride?
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The CAS number is 3542-13-0, and the formula is C4H12N2Se2 · 2HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Selenocystamine dihydrochloride in a form suitable for research and laboratory use. The precise assay and purity are detailed in the product specifications; TSS does not represent this product as USP, BP, or EP grade.
How should Selenocystamine dihydrochloride be handled safely?
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Selenocystamine dihydrochloride is classified with Danger signal word and carries hazards H301, H331, H373, and H410. It requires careful handling with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, in a well-ventilated area. Consult the safety data sheet for full details.
How is Selenocystamine dihydrochloride packaged and exported?
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Tech Serve Solutions packages and exports Selenocystamine dihydrochloride according to international shipping regulations for hazardous materials. Specific packaging details can be provided upon request.
How can I request a sample or quote for Selenocystamine dihydrochloride?
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To request a sample or a quote for Selenocystamine dihydrochloride, please contact our sales team through the website or by phone, providing the product name and CAS number.
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