THIOBIS(HEXAMETHYLDISILAZANE)

Base Information

• Chemical Name: THIOBIS(HEXAMETHYLDISILAZANE)
• CAS No.: 18243-89-5
• Molecular Formula: C12H36 N2 S Si4
• Molecular Weight: 352.839
• Hs Code.: 2931900090
• Mol file: 18243-89-5.mol

Synonyms:4-Thia-3,5-diaza-2,6-disilaheptane,2,2,6,6-tetramethyl-3,5-bis(trimethylsilyl)- (7CI,8CI); Bis(bis(trimethylsilyl)amino)sulfide; Bis[bis(trimethylsilyl)amino]sulfane; Sulfurbis[bis(trimethylsilyl)amide]

Chemical Property of THIOBIS(HEXAMETHYLDISILAZANE)

Chemical Property:

• Melting Point: 65-67 °C(lit.)
• Boiling Point: 142-143 °C15 mm Hg(lit.)
• PKA: 7.25±0.70(Predicted)
• Flash Point: 141.2°C
• PSA: 31.78000
• Density: 0.886g/cm³
• LogP: 5.49320

Purity/Quality:

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

Safty Information:

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of THIOBIS(HEXAMETHYLDISILAZANE)

There total 5 articles about THIOBIS(HEXAMETHYLDISILAZANE) 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: 77.0%

Bis(dimesylamino)sulfan (133339-00-1) + 1,1,1,3,3,3-hexamethyl-disilazane (999-97-3) → bissulphane (18243-89-5)

Guidance literature:

In dichloromethane; for 24h; Ambient temperature;

Reference yield: 68.0%

N-chlorohexamethyldisilazane (4148-01-0) → bissulphane (18243-89-5)

Guidance literature:

With hexamethyldisilathiane; at 80 - 100 ℃;

Reference yield:

lithium hexamethyldisilazane (4039-32-1) → N,N'-bis(trimethylsilyl)sulfurdiimide (503027-47-2,503027-48-3,155139-78-9,18156-25-7) + bissulphane (18243-89-5)

Guidance literature:

With sulfur dichloride; In diethyl ether; -80 deg C, 1 h, -> -55 deg C, 2.5 h;

DOI:10.1007/BF00953029

upstream raw materials:

N-chlorohexamethyldisilazane

lithium hexamethyldisilazane

Bis(dimesylamino)sulfan

1,1,1,3,3,3-hexamethyl-disilazane

Downstream raw materials:

red selenium

sulfur

1,2,3-Se₃S₅

SeS₃N₂

Refernces

• 1、 Blaschette, Armand,Naeveke, Martina,Jones, Peter G.. "Polysulfonylamines, XXI. Bis(dimesylamino)sulfane and Bis(dimesylamino)disulfane: Preparation, Properties and Solid State Structures". . p. 5 - 14. Retrieved 2007/10/02.
• 2、 Zibarev, A. V.,Gurin, G. G.,Yakobson, G. G.. "SYNTHESIS AND REACTIONS OF N,N,N',N'-TETRAKIS(TRIMETHYLSILYL)DIAMINOSULFIDE". . p. 2571 - 2576. Retrieved 2007/10/02.