2,4,6,8-Tetramethylcyclotetrasiloxane

• Catalog Number: ACM2370889
• Product Name: 2,4,6,8-Tetramethylcyclotetrasiloxane
• CAS: 2370-88-9
• Category: Micro/NanoElectronics
• Description: Atomic number of base material: 14 Silicon
• Synonyms: 1,2,5,7-Tetramethylcyclotetrasiloxane
• Molecular Weight: 236.48
• Molecular Formula: C4H16O4Si4
• Canonical SMILES: C[Si]1O[Si](O[Si](O[Si](O1)C)C)C
• InChI: InChI=1S/C4H12O4Si4/c1-9-5-10(2)7-12(4)8-11(3)6-9/h1-4H3
• InChI Key: WZJUBBHODHNQPW-UHFFFAOYSA-N
• Boiling Point: 134 °C
• Melting Point: -69 °C
• Flash Point: 76 °F
• Density: 0.986 g/mL at 25 °C (lit.)
• Solubility: Miscible with most organic solvents
• Appearance: Colorless liquid
• Application: 2, 4, 6, 8-Tetramethylcyclotetrasiloxane (TMCTS) is an important precursor for the deposition of polysiloxane, cyclic siloxane, silicon dioxide, oxycarbide thin films with low dielectric constant for microelectronics, semiconductors and other applications
• Storage: 2-8 °C
• Assay: ≥99.5% (GC)
• Complexity: 99
• Covalently-Bonded Unit Count: 1
• EC Number: 219-137-4
• Exact Mass: 235.981265
• Form: liquid
• Formal Charge: 0
• Grade: deposition grade
• Hazard Statements: H319 : Causes serious eye irritation.; H226 : Flammable liquid and vapour.
• H-Bond Acceptor: 4
• H-Bond Donor: 0
• Heavy Atom Count: 12
• HS Code: Hazardous for shipping
• MDL Number: MFCD00039567
• Monoisotopic Mass: 235.981265
• Odor: Ether-like odor
• Packaging: 25 g
• Precautionary Statements: P210 : Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.; P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.; P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.; P337 + P313 : If eye irritation persists: Get medical advice/ attention.; P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.; P403 + P235 : Store in a well-ventilated place. Keep cool.
• PubChem ID: 253659681
• Quality Level: 100
• Refractive Index: 1.387
• Rotatable Bond Count: 0
• Signal Word: Warning
• SpecificGravity: 0.99
• Topological Polar Surface Area: 36.9 Ų