TETRAMETHYLTETRASELENAFULVALENE

Base Information

• Chemical Name: TETRAMETHYLTETRASELENAFULVALENE
• CAS No.: 55259-49-9
• Molecular Formula: C10H12 Se4
• Molecular Weight: 448.045
• Hs Code.: 2901299090
• Mol file: 55259-49-9.mol

Synonyms:4,4',5,5'-Tetramethyl-D2,2'-bi-1,3-diselenole; NSC372323; TMTSF; Tetramethylselenafulvalene; Tetramethyltetraselenafulvalene

Chemical Property of TETRAMETHYLTETRASELENAFULVALENE

Chemical Property:

• Vapor Pressure: 0.000188mmHg at 25°C
• Melting Point: 273-275 °C (dec.)(lit.)
• Boiling Point: 338.8°C at 760 mmHg
• Flash Point: 158.7°C
• PSA: 0.00000
• LogP: 1.45980
• Storage Temp.: 2-8°C

Purity/Quality:

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

Tetramethyltetraselenafulvalene 97% ^*data from reagent suppliers

Safty Information:

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

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Uses: Its salts and charge-transfer complexes exhibit superconducting properties. For a review on the chemistry of TMTSF and analogous electron donors for organic metals,see Front. Solid State Sci. .1 Tetramethyltetraselenafulvalene was used in the preparation of charge-transfer salt nanowires using the galvanostatic deposition technique.

Technology Process of TETRAMETHYLTETRASELENAFULVALENE

There total 16 articles about TETRAMETHYLTETRASELENAFULVALENE 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: 90.0%

4,5-dimethyl-2-selenoxo-1,3-diselenole (53808-62-1) → tetramethyltetraselenafulvalene (55259-49-9)

Guidance literature:

With phosphorous acid trimethyl ester;

DOI:10.1021/jo00151a024

Reference yield: 83.0%

(4,5-Dimethyl-[1,3]diselenol-2-ylidene)-dimethyl-ammonium → tetramethyltetraselenafulvalene (55259-49-9)

Guidance literature:

With hydrogen selenide; phosphorous acid trimethyl ester; 1) MeOH, H₂O, 2) C₆H₆;

Reference yield: 64.0%

4,5-dimethyl-2-selenoxo-1,3-diselenole (53808-62-1) + 4,5-tetramethylene 1,3-diselenole 2-selenone (107907-53-9) → tetramethyltetraselenafulvalene (55259-49-9) + dimethyltetramethylenetetraselenafulvalene (107907-54-0) + 4,5,6,7,4',5',6',7'-Octahydro-[2,2']bi[benzo[1,3]diselenolylidene] (82912-80-9)

Guidance literature:

With phosphorous acid trimethyl ester; In benzene; for 10h; Heating;

DOI:10.1016/S0040-4039(00)94263-1

upstream raw materials:

4,5-Ethylenedithio-1,3-dithiole-2-thione

4,5-dimethyl-2-selenoxo-1,3-diselenole

4,5-ethylenedithio-1,3-dithio-2-selenone

2,6,8,10-Tetrathiabicyclo<5.3.0>dec-1(7)-en-9-on

Downstream raw materials:

dimethylacetylene

ethenediselone

carbon diselenide

Refernces

• 1、 Bechgaard et al.. "". . p. 937. Retrieved 1974.
• 2、 Shirahata, Takashi,Kibune, Megumi,Imakubo, Tatsuro. "New unsymmetrical donor dimethyl(ethylenedioxy)tetraselenafulvalene (DMEDO-TSeF): Structures and properties of its cation radical salts". . p. 4399 - 4402. Retrieved 2007/10/03.
• 3、 Aonuma, Shuji,Okano, Yoshinori,Sawa, Hiroshi,Kato, Reizo,Kobayashi, Hayao. "Stable Molecular Metals Based a Novel Unsymmetrical Diselenadithiafulvalene". . p. 1193 - 1195. Retrieved 2007/10/02.