Benzeneseleninic acid
Benzeneseleninic acid (CAS 6996-92-5, C6H5SeO2H) is an organoselenium compound with a molecular weight of 189.07 g/mol. It functions as a valuable reagent and catalyst in organic synthesis. Primarily employed as a catalyst in the oxidation of sulfides to sulfoxides and in the preparation of complex organic molecules, it is a key building block for researchers and industrial chemists seeking to introduce selenium functionalities or facilitate specific chemical transformations.
Catalysis in Oxidation Reactions
Benzeneseleninic acid serves as an effective catalyst in the oxidation of sulfides to sulfoxides. This process often involves ligand coupling on the iodine atom, facilitating efficient and selective oxidation.
Organic Synthesis Intermediate
The compound has been utilised in the synthesis of complex organic structures. An example includes its application in the preparation of steroidal lactones such as 3-methoxy-17a-oxa-D-homoestra-1,3,5(10)-trien-17-one.
Building Block for Selenium Chemistry
As a readily available selenium compound, it is a useful building block for researchers exploring selenium-containing organic molecules and materials.
| Molecular weight | 189.07 |
|---|---|
| Linear formula | C6H5SeO2H |
| Assay | ≥98.0% (T) |
| Application | Benzeneseleninic acid was used as catalyst during the oxidation of sulfides to sulfoxides via ligand coupling on the iodine atom1. It was also used in the preparation of 3-methoxy-17a-oxa-D-homoestra-l,3,5(10)-trien-17-one2. |
| Melting point | 121-124 °C(lit.)122-124 °C |
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 | dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3283 6.1 / PGII |
| 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 Benzeneseleninic acid used for?
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Benzeneseleninic acid is used as a catalyst in organic synthesis, notably for the oxidation of sulfides to sulfoxides and in the preparation of complex organic molecules like steroidal lactones.
What is the CAS number and chemical formula for Benzeneseleninic acid?
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The CAS number for Benzeneseleninic acid is 6996-92-5, and its chemical formula is C6H5SeO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzeneseleninic acid with an assay of ≥98.0% (T). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary hazards associated with Benzeneseleninic acid?
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Benzeneseleninic acid is acutely toxic if swallowed or inhaled (H301, H331), may cause damage to organs through prolonged or repeated exposure (H373), and is very toxic to aquatic life with long-lasting effects (H410). Handle with appropriate personal protective equipment, including a dust mask, eyeshields, faceshields, gloves, and a suitable respirator.
How is Benzeneseleninic acid packed and shipped?
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Benzeneseleninic acid is shipped under UN 3283, Hazard Class 6.1, Packing Group II, adhering to strict regulations for toxic substances.
How can I request a sample or quote for Benzeneseleninic acid?
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To request a sample or quote for Benzeneseleninic acid, please contact our sales team through the website or direct email.
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