Bis [3-(triethoxysilyl) propyl] tetrasulfide/best price/high purity/Cas No.40372-72-3 CAS NO.40372-72-3

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Description

Bis(triethoxysilylpropyl)tetrasulfide is an organosulfur compound with the formula S4[C3H6Si(OEt)3]2 (Et = C2H5). The molecule consists of two trialkoxysilyl propyl groups linked with a polysulfide. It is often sold as a mixture with the trisulfide. The compound is a colorless viscous liquid that is soluble in ordinary organic solvents such as toluene. Commercial samples often are yellowish. The compound is added to rubber compositions that contain silica filler.

Properties

CAS No.: 40372-72-3

Formula: C18H42O6S4Si2

Exact Mass: 538.14000

Molecular Weight: 538.95300

Appearance & Physical State: Yellowish clear liquid

Density: 1.08

Boiling Point: 250ºC

Flash Point: 91ºC

Refractive Index: 1.49

Safety Info

Safety Statements: 23-24/25

HS Code: 2931900090

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