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  • Name 2,4,6,8-Tetramethylcyclotetrasiloxane
  • EINECS219-137-4
  • CAS No. 2370-88-9
  • Density0.986 g/mL at 25 °C(lit.)
  • PSAN/A
  • LogPN/A
  • SolubilityMiscible with most organic solvents. Immiscible with water.
  • Melting Point-69 °C
  • FormulaC4H16O4Si4
  • Boiling Point134.5 °C at 760 mmHg
  • Molecular Weight240.511
  • Flash Point31.5 °C
  • Transport InformationUN 1993 3/PG 3
  • AppearanceColorless or yellowish transparent liquid
  • Safety16-26-36
  • Risk Codes10-36
  • Molecular Structure
    Molecular Structure of 2370-88-9 (2,4,6,8-TETRAMETHYLCYCLOTETRASILOXANE)
  • Hazard SymbolsIrritantXi
  • SynonymsIrritantXi

2,4,6,8-Tetramethylcyclotetrasiloxane Specification

The Cyclotetrasiloxane,2,4,6,8-tetramethyl-, with the CAS registry number 2370-88-9, has the IUPAC name of 2,4,6,8-tetramethyl-1,3,5,7,2λ3,4λ3,6λ3,8λ3-tetraoxatetrasilocane. For being a kind of colorless or yellowish transparent liquid, it is sensitive to moisture, with the product categories including siloxanes.

The characteristics of this chemical are as follows: (1)#H bond acceptors: 4; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 36.92; (5)Exact Mass: 235.981265; (6)MonoIsotopic Mass: 235.981265; (7)Topological Polar Surface Area: 36.9; (8)Heavy Atom Count: 12; (9)Complexity: 99; (10)Covalently-Bonded Unit Count: 1.

When you are dealing with this chemical, you should be cautious. This is a kind of irritant chemical which may cause inflammation to the skin or other mucous membranes. Therefore, you should wear suitable protective clothing. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. And then keep it away from sources of ignition - No smoking.
In addition, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: C[Si]1O[Si](O[Si](O[Si](O1)C)C)C
(2)InChI: InChI=1S/C4H12O4Si4/c1-9-5-10(2)7-12(4)8-11(3)6-9/h1-4H3

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