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Tetrasilane, 1,1,2,2,3,3,4,4-octamethyl-, also known as octamethyltetrasilane, is an organosilicon compound with the chemical formula (CH3)3SiSi(CH3)3Si(CH3)3Si(CH3)3Si(CH3)3. This colorless, volatile liquid is a derivative of tetrasilane, where each silicon atom is bonded to three methyl groups. It is a highly reactive compound due to the presence of multiple silicon-silicon bonds, which can undergo various chemical reactions, such as hydrolysis, oxidation, and condensation. Octamethyltetrasilane is primarily used as a precursor in the synthesis of other organosilicon compounds and as a reagent in the production of silicones and silane coupling agents. It is also used in the electronics industry for the deposition of silicon films and in the preparation of silane-based polymers. Due to its high reactivity and potential health hazards, it is essential to handle octamethyltetrasilane with proper safety precautions.

813-09-2

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813-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 813-09-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,1 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 813-09:
(5*8)+(4*1)+(3*3)+(2*0)+(1*9)=62
62 % 10 = 2
So 813-09-2 is a valid CAS Registry Number.

813-09-2Upstream product

813-09-2Downstream Products

813-09-2Relevant academic research and scientific papers

Mercury-sensitized photolysis of Me2SiH2 the disproportionation reactions of the Me2SiH radical

Kerst,Potzinger

, p. 1071 - 1078 (1997)

Mercury-sensitized photolysis of Me2SiH2 yields in the primary step an Me2HSi radical and an H atom with a quantum yield of one. The Me2HSi radicals undergo a combination reaction [k(2)] as well as two kinds of disproportionate reactions leading to dimethylsilylene [k(3)] and 1-methylsilaethene [k(4)]. The following branching ratios have been determined: k(3)/[k(2) + k(3) + k(4)] = 0.64 ± 0.10 and k(4)/[k(2) + k(3) + k(4)] ≥ 0.007. For Me3Si radicals the branching ratio for disproportionation was also determined and a value of 0.063 was obtained.

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