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Diphenyl selenide

CAS 1132-39-4(C6H5)2SeChemical Synthesis

Diphenyl selenide (CAS: 1132-39-4) is an organoselenium compound with the molecular formula (C6H5)2Se and a molecular weight of 233.17 g/mol. This chemical is primarily utilised as a reagent in organic synthesis, notably for the anti-selective Michael addition of thiols and related compounds to nitro-olefins. It serves as a valuable building block in chemical synthesis and is classified under selenium compounds.

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Diphenyl selenide ((C6H5)2Se) — chemical structure, CAS 1132-39-4; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisOrganic Building BlocksSelenium Compounds
01 /Applications

Anti-Selective Michael Additions

Diphenyl selenide facilitates the anti-selective Michael addition of thiols and their analogues to nitro-olefins. This reaction is a key transformation in the synthesis of various organic molecules.

Organic Synthesis Building Block

As a versatile building block, diphenyl selenide is employed in a range of chemical synthesis pathways. Its utility extends to the creation of more complex organic structures.

Selenium Compound Chemistry

This compound is a significant member of the selenium compounds class, contributing to research and development in organoselenium chemistry.

02 /Properties
Molecular weight233.17
Linear formula(C6H5)2Se
Assay96%
Boiling point115-117 °C(lit.)
Density1.338 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.6465(lit.)
Storage temperature2-8°C
ApplicationUsed for Anti-selective Michael addition of thiols and their analogs to nitro-olefins.1
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 equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point>110 °C / >230 °F
Transport (UN / ADR)UN 3082 9 / PGIII
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.

04 /Identifiers & registry
CAS number
1132-39-4
MDL number
MFCD00014067
PubChem substance
24873185
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 Diphenyl selenide used for?

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Diphenyl selenide is primarily used for the anti-selective Michael addition of thiols and their analogs to nitro-olefins, and as a building block in chemical synthesis.

What are the CAS number and chemical formula for Diphenyl selenide?

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The CAS number for Diphenyl selenide is 1132-39-4, and its linear formula is (C6H5)2Se.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Diphenyl selenide with an assay of 96%. This is a technical/research grade and is not represented as USP, BP, or EP.

How should Diphenyl selenide be handled safely?

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Diphenyl selenide is toxic if swallowed or inhaled and may cause damage to organs through prolonged or repeated exposure. It is also very toxic to aquatic life with long-lasting effects. Always use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and handle in a well-ventilated area or fume hood.

Is Diphenyl selenide packed and shipped internationally?

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Yes, Tech Serve Solutions packs and exports chemicals, including Diphenyl selenide, adhering to all relevant transport regulations (UN 3082, Class 9, Packing Group III).

How can I request a sample or quote for Diphenyl selenide?

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To request a sample or quote for Diphenyl selenide, please contact our sales team through the website or via email, providing your specific requirements.

Need Diphenyl selenide in a specific grade or volume?