dimethylbis(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane

Also known as: 1,3-Cyclopentadiene, 5,5'-(dimethylsilylene)bis[1,2,3,4-tetramethyl-, Bis(2,3,4,5-tetramethyl-2,4-cyclopentadiene-1-yl)dimethylsilane, Bis(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)dimethylsilane, Dimethylbis(2,3,4,5-tetramethylcyclopenta-2,4-dien-1-yl)silane, dimethyl-bis(2,3,4,5-tetramethyl-1-cyclopenta-2,4-dienyl)silane, dimethyl-bis(2,3,4,5-tetramethylcyclopenta-2,4-dien-1-yl)silane

dimethylbis(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane (CAS 89597-05-7) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C20H32Si and a molecular weight of 300.55400 g/mol. Key property: a melting point of 65-68 â„ƒ(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 89597-05-7
Jingsj CID: J-14905-9
Molecular Formula: C₂₀H₃₂Si
Molecular Weight: 300.55400 g/mol
Category: Esters
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	65-68 â„ƒ(lit.)
Exact Mass	300.22700
LogP	6.80800

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of dimethylbis(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane?

The CAS number of dimethylbis(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane is 89597-05-7.

What are the molecular formula and molecular weight of dimethylbis(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane?

dimethylbis(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane has molecular formula C20H32Si and molecular weight 300.55400 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "dimethylbis(2,3,4,5-tetramethyl-2,4-cyclopentadien-1-yl)silane (CAS 89597-05-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14905-9 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.