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7623-01-0

2,4,6,8-tetraethyl-2,4,6,8-tetramethylcyclotetrasiloxane is a cyclic siloxane compound with the molecular formula C12H32O4Si4. It is composed of a cyclic structure containing four silicon atoms, each bonded to two oxygen atoms, forming a tetrahedral arrangement. The compound has two ethyl groups (C2H5) and two methyl groups (CH3) attached to each silicon atom, resulting in a symmetrical structure. This chemical is primarily used as a component in various silicone-based products, such as lubricants, sealants, and adhesives, due to its unique properties, including low viscosity, high thermal stability, and excellent chemical resistance. It is also known for its low toxicity and environmental compatibility, making it a preferred choice in many industrial applications.

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  • 7623-01-0 Structure

  • Basic information

    1. Product Name: 2,4,6,8-tetraethyl-2,4,6,8-tetramethylcyclotetrasiloxane
    2. Synonyms: 2,4,6,8-tetraethyl-2,4,6,8-tetramethylcyclotetrasiloxane
    3. CAS NO:7623-01-0
    4. Molecular Formula:
    5. Molecular Weight: 352.726
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 7623-01-0.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    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: 2,4,6,8-tetraethyl-2,4,6,8-tetramethylcyclotetrasiloxane(CAS DataBase Reference)
    10. NIST Chemistry Reference: 2,4,6,8-tetraethyl-2,4,6,8-tetramethylcyclotetrasiloxane(7623-01-0)
    11. EPA Substance Registry System: 2,4,6,8-tetraethyl-2,4,6,8-tetramethylcyclotetrasiloxane(7623-01-0)

  • 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: 7623-01-0(Hazardous Substances Data)

7623-01-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7623-01-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,2 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7623-01:
(6*7)+(5*6)+(4*2)+(3*3)+(2*0)+(1*1)=90
90 % 10 = 0
So 7623-01-0 is a valid CAS Registry Number.

7623-01-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,4,6,8-tetraethyl-2,4,6,8-tetramethyl-cyclotetrasiloxane

1.2 Other means of identification

Product number -
Other names 2,4,6,8-Tetraaethyl-2,4,6,8-tetramethyl-cyclotetrasiloxan

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:7623-01-0 SDS

7623-01-0Downstream Products

7623-01-0Relevant articles and documents

A methyl ethyl the cyclosiloxane preparation method

-

Paragraph 0056-0058, (2017/05/18)

The invention discloses a preparation method of methyl ethyl cyclosiloxane. The method comprises the following steps of: placing methyldichlorosilae into an autoclave for hydrosilylation with ethylene under the action of platinum catalyst, and then rectifying the reactant to obtain methyl ethyl dichlorosilane; dripping the methyl ethyl dichlorosilane into dilute acid solution for hydrolyzation and obtaining hydrolysate; performing pyrolysis to the hydrolysate under the action of high boiling point solvents and base catalysts, and finally rectifying the pyrolysis product to obtain trimethyl triethyl cyclotrisiloxane and tetramethyl tetraethyl cyclotetrasiloxane. The methyl ethyl cyclosiloxane is prepared by hydrosilylation of the methyldichlorosilae and the ethylene so as to greatly improve the product yield, reduce the production cost and enlarge the reaction device based on the demands to improve the capacity; the solvent is used in the pyrolysis process so as to reduce material crosslinking, improve the pyrolysis speed, reduce the pyrolysis temperature and decrease the usage amounts of the base catalysts; the method has the advantages of high efficiency and low energy consumption, etc.

THE SILICON-OXYGEN DOUBLE-BONDED INTERMEDIATES. A NEW METHOD FOR THE FORMATION OF ORGANOSILANONES

Tomadze, A. V.,Yablokova, N. V.,Yablokov, V. A.,Razuvaev, G. A.

, p. 43 - 50 (2007/10/02)

The kinetics and mechanism of thermal decomposition of R1R2(H)SiOOR3 silylperoxides have been studied.It has been shown that peroxides generated diorganosilanones, R1R2Si=O, with a high yield in the temperature range 130-180 deg C.A mechanism is suggested for the silanone formation.The interaction of silanones with cyclosiloxanes, triethylsilane, α-methylstyrene has been investigated as well as the cyclisation of silanones.

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