Detail of "13452-92-1"

CAS Number:
13452-92-1
Name:
Cyclopentasilane,1,1,2,2,3,3,4,4,5,5-decamethyl-
Molecular Structure:
Formula:
C₁₀H₃₀Si₅
Molecular Weight:
290.7727
Synonyms:
Permethylcyclopentasilane;Cyclopentasilane,decamethyl- (8CI,9CI);Decamethylcyclopentasilane;
Density:
0.82 g/cm³
Boiling Point:
218.1 °C at 760 mmHg
Flash Point:
58.3 °C

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Decamethylcyclopentasilane: Decamethylcyclopentasilane. Hayashida, Akira; Takamizawa, Minoru; Kobayashi, Yasushi; Takeda, Yoshifumi; Oshima, Mitsuyoshi (Shin-Etsu Chemical Industry Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 61238790 A2 24 Oct 1986 Showa, 5 pp. (Japan) CODEN: JKXXAF. CLASS: ICM: C07F007-21. APPLICATION: JP 85-81097 16 Apr 1985. DOCUMENT TYPE: Patent CA Section: 29 (Organometallic and Organometalloidal Compounds) Section cross-reference(s): 35 The title compd. (I) was prepd. by continuous thermal decompn. of linear polydimethylsilanes R2(SiMe2)n (II; R = H, halo, OH, alkyl, alkoxy, trialkylsiloxy; n 3 20) in a heated tube under an inert atm. Thus, II (R = OH; n = 55 (prepn. given) was pyrolyzed at 2 kg/h at 400° under N to give 95% I with 90% purity.Except for chemicals metioned above, 53120-01-7 and 13452-92-1 are also used. .

Cyclic polysilanes: Cyclic polysilanes. IX. The reaction of cyclopermethylpolysilanes and .alpha.,.omega.-dichloropermethylpolysilanes with chlorine. Wojnowski, Wieslaw; Hurt, Catherine J.; West, Robert (Dep. Chem., Univ. Wisconsin, Madison, Wis., USA). J. Organomet. Chem., 124(3), 271-8 (English) 1977. CODEN: JORCAI. DOCUMENT TYPE: Journal CA Section: 29 (Organometallic and Organometalloidal Compounds) Section cross-reference(s): 38 The reaction of dodecamethylcyclohexasilane (I) and decamethylcyclopentasilane (II) with Cl gives 1,6-Cl2Si6Me12 and 1,5-Cl2Si5Me10, resp., and these compds. are in turn cleaved by Cl to give smaller .alpha. 13452-92-1 and 4098-30-0 are also in the experiment.,.omega.-dichloropolysilanes. The terminal Si-Si bond in these linear chlorosilanes are relatively unreactive towards Cl, with chlorination occurring instead at the interior Si-Si bond positions in the chain. With larger amts. of Cl, the Me group in 1,2-Cl2Si2Me4 can also be chlorinated. The relative reactivities toward Cl are: II >>> I >1,6 .gtoreq.1,5 .gtoreq.1,4 >1,3 >>1,2. .