company tower banner
Gelest Inc. Company Logo

Gelest SIM6492.6

Gelest 3-[METHOXY(POLYETHYLENEOXY)6-9]PROPYLHEPTAMETHYLTRISILOXANE, tech (SIM6492.6) is a PEGylation reagent that is commonly used in chemical manufacturing.

Chemical Name: Dimethylsiloxane, Ethylene Oxide Block Copolymer

CAS Number: 27306-78-1

Chemical Family: Siloxanes

Functions: Reagent

Safety Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Base Chemicals Functions
Molecular formula
CH₃O(CH₂CH₂O)₆ - ₉(CH₂)₃(CH₃)[OSi(CH₃)₃]₂Si
Chemical Structure

Applications & Uses

Markets
Applications

PEGylated Silicone, Trisiloxane (559-691 g/mol)

  • PEO, Trisiloxane termination utilized for hydrophilic surface modification
  • PEGylation reagent

Properties

Physical Form
Soluble in
Water
Chemical Properties
ValueUnitsTest Method / Conditions
Melting Point0.0°C-
Boiling Pointmin. 205°C-
Typical Properties
ValueUnitsTest Method / Conditions
Molecular Weight559 - 691g/mol-
Density1.007g/ml-
Flash Point116.0°C-
Refractive Index (at 20°C)1.4416--
Viscosity (at 25°C)22.0cSt-
Surface Tension (in 0.1% aqueous solution)21 - 22mN/m-
Hydrolytic Sensitivity0 (Forms stable aqueous solutions)--
Vapor Pressuremax. 5mmHg-
Volatilesmax. 3%-

Regulatory & Compliance

Safety & Health

Precautions for Safe Handling

Avoid all eye and skin contact and do not breathe vapor and mist. Use only outdoors or in a well-ventilated area.

Packaging & Availability

Standard Packaging
  • 100 g
  • 2 kg
Packaging Under

Nitrogen

Storage & Handling

Storage Conditions

Store in a well-ventilated place. Store away from heat. Keep container tightly closed.