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7783-26-8

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7783-26-8 Usage

Properties

Colorless liquid; density 0.743 g/mL at 0°C; freezes at –117.4°C; boils at 52.9°C; vapor density 4.15 g/L at atmospheric pressure; decomposes in water; decomposes in carbon tetrachloride.

Description

Silicon forms a series of hydrides known as silanes, formula SinH2n+2, where n is the number of silicon atoms in the molecule. This general formula for the silicon hydrides is similar to the CnH2n+2 for the alkane class of hydrocarbons.

Chemical Properties

colorless liquid; enthalpy of vaporization 28.38 kJ/mol; vapor pressure at (0°C) 95mm Hg; critical temp 189°C; reacts vigorously with CCl4 and CHCl3 [CIC73] [CRC10] [MER06]

Hazard

Explodes on contact with air, reacts violently with carbon tetrachloride and chloroform.

Check Digit Verification of cas no

The CAS Registry Mumber 7783-26-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,8 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7783-26:
(6*7)+(5*7)+(4*8)+(3*3)+(2*2)+(1*6)=128
128 % 10 = 8
So 7783-26-8 is a valid CAS Registry Number.
InChI:InChI=1/H8Si3/c1-3-2/h3H2,1-2H3

7783-26-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name λ<sup>2</sup>-silanylidenesilylidenesilicon

1.2 Other means of identification

Product number -
Other names 1,2,3-trisilapropane

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7783-26-8 SDS

7783-26-8Relevant articles and documents

Unusually selective synthesis of chlorohydrooligosilanes

Lainer, Thomas,Fischer, Roland,Leypold, Mario,Holthausen, Michael,Wunnicke, Odo,Haas, Michael,Stueger, Harald

supporting information, p. 13812 - 13815 (2020/11/18)

New pathways towards molecular chlorohydrooligosilanes enable their one-pot synthesis in preparative amounts either by the selective chlorination of the corresponding perhydrosilanes with HCl/AlCl3 or by the partial hydrogenation of perchlorooligosilanes

Synthesis of polysilanes by tunneling reactions of H atoms with solid Si2H6 at 10K

Sogoshi, Norihito,Sato, Shoji,Takashima, Hideaki,Sato, Tetsuya,Hiraoka, Kenzo

, p. 986 - 987 (2012/09/22)

Tunneling reactions of H atoms with solid Si2H6 at 10K were investigated. The in situ and real-time reactions H + Si 2H6 to form silane and polysilanes were monitored using FT-IR. Quantitative analysis of gaseou

Diagnostics of the gas-phase thermal decomposition of Si2H6 using vacuum ultraviolet photoionization

Tonokura, Kenichi,Murasaki, Tetsuya,Koshi, Mitsuo

, p. 507 - 511 (2008/10/08)

Vacuum ultraviolet (VUV) photoionization at 10.2 eV was employed for the detection of gas-phase molecules formed after thermal decomposition of disilane at a total pressure of 30 Torr and in the temperature range of 298-740 K. The SinH2(n+1) (n=3-5) and SinH2n (n=2-5) species resulting from disilane pyrolysis in a flow reactor were directly observed using time-of-flight mass spectrometry. Unlike multiphoton ionization at 6.4 eV photons, no fragmentation was observed by the VUV single-photon ionization at 10.2 eV.

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