![Molecular structure of 1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol (CAS 307531-92-6)](/images/chem_structures_svg/046/307531-92-6.svg)
1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol
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
1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol (CAS 307531-92-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C28H66O12Si7 and a molecular weight of 791.41500 g/mol. Key properties include a melting point of 139-143ºC(lit.), a boiling point of 560.9ºC at 760 mmHg, a density of 1.08g/cm3 and a flash point of 293ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 307531-92-6
- Jingsj CID
- J-534-5
- Molecular Formula
- C28H66O12Si7
- Molecular Weight
- 791.41500 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 139-143ºC(lit.) |
|---|---|
| Boiling Point | 560.9ºC at 760 mmHg |
| Density | 1.08g/cm3 |
| Flash Point | 293ºC |
| Exact Mass | 790.29400 |
| PSA | 143.76000 |
| LogP | 6.31780 |
| Refractive Index | 1.48 |
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?
The CAS number of 1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol is 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?
1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol has molecular formula C28H66O12Si7 and molecular weight 791.41500 g/mol.
What are the upstream and downstream products of 1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol?
For 1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol, Upstream Products: Isobutyltrimethoxysilane; Downstream Products: 1-Allyl-3,5,7,9,11,13,15-heptaisobutylpentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane, 3-(3,5,7,9,11,13,15-heptaisobutylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxan-1-yl)propyl methacrylate, PSS-[3-(2-Aminoethyl)amino]propyl-heptaisobutyl substituted.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol (CAS 307531-92-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-534-5 (accessed 2026-11-09).
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