1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol

1,3,5,7,9,11,14-七异丁基三环[7.3.3.1(5,11)]七硅氧烷-内-3,7,14-三醇

Also known as: Trisilanolisobutyl POSS, Trisilanol-iBu-POSS, Isobutyl silsesquioxane, Isobutyltrisilanol-POSS(R), 1,3,5,7,9,11,14-heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol 97%, MFCD02683450

CAS No.
307531-92-6
Jingsj CID
J-534-2
Molecular Formula
C28H66O12Si7
Chinese Name
1,3,5,7,9,11,14-七异丁基三环[7.3.3.1(5,11)]七硅氧烷-内-3,7,14-三醇
Molecular Weight
791.41500 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point139-143ºC(lit.)
Boiling Point560.9ºC at 760 mmHg
Density1.08g/cm3
Flash Point293ºC

Frequently Asked Questions

What is the CAS number of 1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol?

307531-92-6

What are the molecular formula and molecular weight of 1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol?

C28H66O12Si7, molecular weight 791.41500 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026