Diethyl selenide
Diethyl selenide (CAS: 627-53-2), with the formula Se(C2H5)2 and a molecular weight of 137.08 g/mol, is a highly pure organoselenium compound. It is primarily utilised as a precursor in chemical vapour deposition (CVD) and atomic layer deposition (ALD) processes for the microelectronics and materials science industries. Its high purity (99.999% trace metals basis) makes it suitable for demanding thin-film deposition applications requiring precise selenium incorporation.
CVD and ALD Precursor
Diethyl selenide serves as a critical precursor in Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD) techniques. It enables the controlled deposition of selenium-containing thin films, vital for semiconductor manufacturing and advanced materials development.
Materials Science Research
In materials science, this compound is employed for synthesising novel selenium-based materials and studying their unique electronic and optical properties. Its well-defined purity ensures reproducible experimental outcomes.
Micro/Nanoelectronics Applications
The compound is instrumental in the fabrication of microelectronic and nanoelectronic devices. It facilitates the precise integration of selenium into complex device structures, contributing to advancements in next-generation electronics.
| Molecular weight | 137.08 |
|---|---|
| Linear formula | Se(C2H5)2 |
| Assay | 99.999% trace metals basis |
| Boiling point | 108 °C(lit.) |
| Density | 1.232 g/mL at 25 °C(lit.) |
Hazard statements
- H225Highly flammable liquid and vapour
- 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
- P210Keep away from heat, sparks and open flames. No smoking
- 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 respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 22 °C / 71.6 °F |
| Transport (UN / ADR) | UN 1992 3/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 10-23/25-33-50/53 |
| 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 Diethyl selenide used for?
+
Diethyl selenide is primarily used as a precursor in Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD) for producing thin films in materials science and micro/nanoelectronics applications. It is also employed in research for synthesising selenium-based materials.
What is the CAS number and formula for Diethyl selenide?
+
The CAS number for Diethyl selenide is 627-53-2, and its chemical formula is Se(C2H5)2.
What grade and purity does Tech Serve Solutions supply for Diethyl selenide?
+
Tech Serve Solutions supplies Diethyl selenide with an assay of 99.999% on a trace metals basis. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product documentation.
What are the main safety hazards associated with Diethyl selenide?
+
Diethyl selenide is a highly flammable liquid and vapour (H225). It is toxic if swallowed (H301) and toxic if inhaled (H331), and may cause damage to organs through prolonged or repeated exposure (H373). It is also very toxic to aquatic life with long-lasting effects (H410). Strict adherence to safety protocols, including the use of appropriate personal protective equipment like eyeshields, face shields, and suitable respirators, is essential.
How is Diethyl selenide packed, shipped, and exported?
+
Diethyl selenide is typically packed in accordance with UN 1992 3/PG 2 regulations for hazardous materials transport. Tech Serve Solutions handles the export of this chemical, ensuring compliance with all relevant international shipping and safety regulations.
How can I request a sample or quote for Diethyl selenide?
+
To request a sample or a quote for Diethyl selenide, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
▶ Related products
(11-Mercaptoundecyl)-N,N,N-trimethylammonium bromide
Micro / NanoElectronics
(11-Mercaptoundecyl)hexa(ethylene glycol)
C23H48O7S
Micro / NanoElectronics
(12-Phosphonododecyl)phosphonic acid
C12H28O6P2
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,7-Tridecafluoroheptyl)oxirane
C9H5F13O
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Heptadecafluorononyl)oxirane
C11H5F17O
Micro / NanoElectronics
(3-Chloropropyl)dimethoxymethylsilane
Cl(CH2)3Si(OCH3)2CH3
Micro / NanoElectronics
(3-Chloropropyl)trimethoxysilane
Cl(CH2)3Si(OCH3)3
Micro / NanoElectronics
(4-Bromophenyl)diphenylsulfonium triflate
C19H14BrF3O3S2
Micro / NanoElectronics▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis