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Selenium oxychloride

CAS 7791-23-3SeOCl2Salts

Selenium oxychloride (CAS 7791-23-3), with the linear formula SeOCl₂, is a chemical compound with a molecular weight of 165.87 g/mol. This reagent is known for its reactivity and finds utility in various chemical synthesis applications, particularly in materials science and electronics manufacturing. Its handling requires strict adherence to safety protocols due to its hazardous nature.

IUPAC
Seleninyl chloride
Synonyms
Seleninyl chloride
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Selenium oxychloride (SeOCl2) — chemical structure, CAS 7791-23-3; Chemistry, fine chemical supplied by Tech Serve Solutions
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01 /Applications

Chemical Synthesis

Selenium oxychloride serves as a reagent in organic and inorganic synthesis, facilitating the introduction of selenium into molecules. It is employed in the preparation of various organoselenium compounds.

Materials Science

It is used in the development and processing of advanced materials. Its properties make it relevant in the synthesis of selenium-containing compounds for specialized material applications.

Electronics Manufacturing

Selenium oxychloride is a precursor in the production of certain electronic components and materials. It is utilized in processes within the micro- and nanoelectronics industries.

02 /Properties
Molecular weight165.87
Linear formulaSeOCl2
Assay97%
Boiling point180 °C(lit.)
Density2.43 g/mL at 25 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Toxic (GHS06)
Toxic
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
GHS hazard pictogram: Environmental hazard (GHS09)
Environmental hazard
Danger

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 equipmentFaceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Transport (UN / ADR)UN 2879 6.1(8) / PGI
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
Supplemental hazardsReacts violently with water.

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
7791-23-3
MDL number
MFCD00016327
PubChem substance
24860360
05 /Quality & supply

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.

06 /Frequently asked questions

What is Selenium oxychloride used for?

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Selenium oxychloride (CAS 7791-23-3) is used in chemical synthesis, materials science, and electronics manufacturing for the preparation of selenium-containing compounds and materials.

What is the CAS number and formula for Selenium oxychloride?

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The CAS number for Selenium oxychloride is 7791-23-3, and its linear formula is SeOCl₂.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Selenium oxychloride with an assay of 97%. We do not represent this product as USP, BP, or EP grade.

How should Selenium oxychloride be handled safely?

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Selenium oxychloride is hazardous and reacts violently with water. It is toxic if inhaled or swallowed and may cause organ damage (H301-H331-H373). Handle with extreme caution using appropriate personal protective equipment, including faceshields, respirators, gloves, and goggles, in a well-ventilated area.

Is Selenium oxychloride a controlled substance?

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The provided data does not indicate that Selenium oxychloride is a controlled substance.

How is Selenium oxychloride packed, shipped, and exported?

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As a specialist global supplier, Tech Serve Solutions adheres to all relevant regulations for packing, shipping, and exporting hazardous chemicals like Selenium oxychloride, ensuring safe and compliant transit.

How can I request a sample or quote for Selenium oxychloride?

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To request a sample or a quote for Selenium oxychloride, please contact our sales team directly through our website or by phone.

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