1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane , 98+% , 18420-09-2

CAS NO.：18420-09-2

Empirical Formula: C8H22O3Si2

Molecular Weight: 222.43

MDL number: MFCD00053754

EINECS: 242-298-7

PRODUCT Properties

• Melting point: -134°C
• Boiling point: 161 °C (lit.)
• Density: 0.883 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.389(lit.)
• Flash point: 110 °F
• solubility: Chloroform (Soluble), Methanol (Slightly)
• form: Oil
• color: Colourless
• Specific Gravity: 0.879
• Hydrolytic Sensitivity: 7: reacts slowly with moisture/water
• InChI: 1S/C8H22O3Si2/c1-7-9-12(3,4)11-13(5,6)10-8-2/h7-8H2,1-6H3
• InChIKey: NPOYZXWZANURMM-UHFFFAOYSA-N
• SMILES: CCO[Si](C)(C)O[Si](C)(C)OCC
• EPA Substance Registry System: Disiloxane, 1,3-diethoxy-1,1,3,3-tetramethyl- (18420-09-2)

Description and Uses

1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane is used in preparation of symmetric Alkoxy-substituted Alkyldisiloxanes by alkoxy partial hydrolysis of alkoxysilanes, carbonization and condensation

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Warning
• Hazard statements: H226-H315-H319-H335
• Precautionary statements: P261-P305+P351+P338
• target organs: Respiratory system
• PPE: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
• Hazard Codes: Xi
• Risk Statements: 10-36/37/38
• Safety Statements: 16-26-36
• RIDADR: UN 1993 3/PG 3
• WGK Germany: 3
• TSCA: TSCA listed
• HS Code: 29319090
• Storage Class: 3 - Flammable liquids
• Hazard Classifications: Eye Irrit. 2; Flam. Liq. 3; Skin Irrit. 2; STOT SE 3