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Mercury-trimethylsilyl (1:2) is a chemical compound with the formula Hg(TMS)2, where TMS stands for trimethylsilyl. mercury - trimethylsilyl (1:2) is formed by the reaction of mercury with two trimethylsilyl groups, resulting in a mercury atom bonded to two silicon atoms, each of which is attached to three methyl groups. It is an organometallic compound, which means it contains a metal (mercury) bonded to carbon atoms. Mercury-trimethylsilyl (1:2) is a colorless, volatile liquid with a pungent odor and is sensitive to air and moisture. It is used in various chemical reactions, particularly in the synthesis of organometallic compounds and as a reagent in organic synthesis. Due to the toxicity of mercury, handling mercury - trimethylsilyl (1:2) requires proper safety precautions and is typically reserved for experienced chemists in controlled laboratory settings.

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  • 4656-04-6 Structure
  • Basic information

    1. Product Name: mercury - trimethylsilyl (1:2)
    2. Synonyms: Bis(trimethylsilyl)mercury
    3. CAS NO:4656-04-6
    4. Molecular Formula: 2C3H9Si*Hg
    5. Molecular Weight: 346.9681
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 4656-04-6.mol
  • Chemical Properties

    1. Melting Point: 103°C (rough estimate)
    2. Boiling Point: 135.8°C
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: mercury - trimethylsilyl (1:2)(CAS DataBase Reference)
    10. NIST Chemistry Reference: mercury - trimethylsilyl (1:2)(4656-04-6)
    11. EPA Substance Registry System: mercury - trimethylsilyl (1:2)(4656-04-6)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 4656-04-6(Hazardous Substances Data)

4656-04-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4656-04-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,5 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4656-04:
(6*4)+(5*6)+(4*5)+(3*6)+(2*0)+(1*4)=96
96 % 10 = 6
So 4656-04-6 is a valid CAS Registry Number.

4656-04-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name mercury,trimethylsilicon

1.2 Other means of identification

Product number -
Other names Bis-trimethylsilylquecksilber

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:4656-04-6 SDS

4656-04-6Upstream product

4656-04-6Relevant articles and documents

Synthesis, experimental/theoretical characterization, and thermolysis chemistry of CpBe(SiMe3), a molecule containing an unprecedented beryllium-silicon bond

Saulys, Dovas A.,Powell, Douglas R.

, p. 407 - 413 (2008/10/08)

The synthesis, characterization, and thermal decomposition of CpBe(SiMe3) are presented as part of an exploratory investigation designed to obtain more effective chemical vapor deposition precursors of metallic beryllium. The title compound provides the first example of a direct bond between beryllium and a non-carbenoid group 14 element. The base-free reaction of LiSiMe3 with CpBeCl in pentane affords the air-sensitive, volatile solid CpBe(SiMe3) (ca. 70% yield based on CpBeCl), which was characterized by single-crystal CCD X-ray diffraction, multinuclear NMR, and mass spectrometric studies, and theoretically by DFT/NBO analysis. The solid-state molecular geometry of CpBe(SiMe3) ideally conforms to C3v symmetry (under assumed cylindrical symmetry for the C5H5 ring); the Be-Si bond length of 2.185(2) A is markedly longer than the sum of covalent radii (2.01 A). The DFT-optimized molecular geometry closely conforms to that determined crystallographically. Total fragment charges (based upon atomic charge NBO calculations) of -0.79 e for C5H5, +1.26 e for Be, +0.81 e for Si, and -1.28 e for the three Me groups constitute a polarity pattern consistent with the Be-Cp bonding interaction being mainly ionic and with the Be-Si bonding pair being polarized toward the more electronegative SiMe3 fragment. Beryllium-9 and 29Si NMR spectra exhibit a large J(Be-Si) coupling constant of 51 Hz; the 9Be chemical shift of δ -27.70 ppm, the highest field value recorded to date, is in accordance with the calculated bond-polarity pattern, as well as a bond to Si. Mass spectra (EI) exhibited peaks for the molecular ion and its isotopomers. Thermal decomposition of CpBe(SiMe3) gives rise to trimethylsilane, CpBeMe, and CpBe(SiMe2SiMe3) as the major products, as determined by multinuclear NMR. The latter species is likewise formed by the reaction of CpBeCl with LiSiMe2SiMe3.

A Simple and High Yielding Synthesis for Bis(trimethylsilyl)- and Bis(trimethylgermyl)mercury

Roesch, Lutz,Altnau, Gerald,Hahn, Ekkehard,Havemann, Hans

, p. 1234 - 1237 (2007/10/02)

Bis(trimethylsilyl)mercury is formed in the mercury catalyzed reaction of chlorotrimethylsilane with aluminium, magnesium, calcium or lithium and can be isolated from these reactions in small yields.Large quantities of bis(trimethylsilyl)mercury are obtained, when chlorotrimethylsilane is reacted with a lithium amalgame, which is prepared from lithium and mercury in the presence of sodiumchloride.Bis(trimethylgermyl)mercury can also easily be prepared in an analogous way. - Keywords: Bis(trimethylsilyl)mercury, Bis(trimethylgermyl)mercury, Lithium-tris(trimethylsilyl)mercurate

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