Dimethyl diselenide

Base Information

• Chemical Name: Dimethyl diselenide
• CAS No.: 7101-31-7
• Molecular Formula: C2H6Se2
• Molecular Weight: 187.99
• European Community (EC) Number: 230-410-7
• UNII: AH7TJ8228U
• DSSTox Substance ID: DTXSID40221237
• Nikkaji Number: J151.318D
• Wikidata: Q72469925
• Mol file: 7101-31-7.mol

Synonyms:dimethyldiselenide

Chemical Property of Dimethyl diselenide

Chemical Property:

• Appearance/Colour: orange liquid with a very unpleasant smell
• Vapor Pressure: 3.34mmHg at 25°C
• Melting Point: -82.2 °C
• Refractive Index: n20/D 1.6388(lit.)
• Boiling Point: 158.9 °C at 760 mmHg
• Flash Point: 60 °C
• PSA: 0.00000
• Density: 1.987 g/cm³
• LogP: 0.40600
• Storage Temp.: 0-6°C
• Sensitive.: Air & Moisture Sensitive
• Water Solubility.: Reacts with water.
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 1
• Exact Mass: 189.87999
• Heavy Atom Count: 4
• Complexity: 6

Purity/Quality:

98%,99%, ^*data from raw suppliers

MethylDiselenide ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T,N
• Hazard Codes: T,N
• Statements: 23/24/25-50/53-33-23/25
• Safety Statements: 23-36/37/39-45-61-60-28A-20/21-28

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: C[Se][Se]C
• Uses: Dimethyl diselenide is a powerful reagent used for identification of distonic radical cations

Technology Process of Dimethyl diselenide

There total 46 articles about Dimethyl diselenide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 98.0%

methyl iodide (74-88-4) → dimethyl diselenide (7101-31-7)

Guidance literature:

With potassium hydroxide; selenium; hydrazine hydrate; In water; at 30 - 32 ℃;

Reference yield: 90.0%

dimethyl sulfate (77-78-1) → dimethyl diselenide (7101-31-7)

Guidance literature:

With sodium hydroxide; selenium; tetrabutylammomium bromide; hydrazine hydrate; In water; at 15 - 20 ℃;

Reference yield: 88.0%

methyl bromide (74-83-9) → dimethyl diselenide (7101-31-7)

Guidance literature:

With sodium hydroxide; selenium; hydrazine hydrate; In N,N-dimethyl-formamide; 1.) room temp., 6 h;

DOI:10.1055/s-1984-30869

upstream raw materials:

tetrachloromethane

methyl selenide

potassium methyl sulfate

sodium methyl sulfate

Downstream raw materials:

Methyl-propyl-selenid

methaneseleninic acid

Methyl-dimethylphosphinoselenoit

C₃H₉AsSe

Refernces

• 1、 Frankiss. "". . p. 89. Retrieved 1969.
• 2、 Li, Sifeng,Yang, Qingjing,Bian, Zhaoxiang,Wang, Jun. "Rhodium-Catalyzed Enantioselective Hydroselenation of Heterobicyclic Alkenes". supporting information. p. 2781 - 2785. Retrieved 2020/03/30.
• 3、 Krasowska, Dorota,Begini, Francesca,Santi, Claudio,Mangiavacchi, Francesca,Drabowicz, Jozef,Sancineto, Luca. "Ultrasound-assisted synthesis of alkali metals diselenides (M2Se2) and their application for the gram-scale preparation of 2,2’-diselenobis(benzoic acid)". . p. 24 - 37. Retrieved 2020/02/13.