1,1,3,3-Tetramethyl-1,3-disilacyclobutane

Also known as: 1,1,3,3-Tetramethyl-1,3-disiletane, 1,3-Disilacyclobutane, 1,1,3,3-tetramethyl-, 1,1,3,3-Tetramethyl-1,3-disilacyclobutan

1,1,3,3-Tetramethyl-1,3-disilacyclobutane (CAS 1627-98-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H16Si2 and a molecular weight of 144.362 g/mol. Key properties include a boiling point of 120.5±15.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 12.3±13.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1627-98-1
Jingsj CID: J-1408123-3
Molecular Formula: C₆H₁₆Si₂
Molecular Weight: 144.362 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	120.5±15.0 °C at 760 mmHg
Density	0.8±0.1 g/cm3
Flash Point	12.3±13.4 °C
Exact Mass	144.079056
LogP	3.16
Vapor Pressure	18.2±0.2 mmHg at 25°C
Refractive Index	1.416

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1,1,3,3-Tetramethyl-1,3-disilacyclobutane?

The CAS number of 1,1,3,3-Tetramethyl-1,3-disilacyclobutane is 1627-98-1.

What are the molecular formula and molecular weight of 1,1,3,3-Tetramethyl-1,3-disilacyclobutane?

1,1,3,3-Tetramethyl-1,3-disilacyclobutane has molecular formula C6H16Si2 and molecular weight 144.362 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. "1,1,3,3-Tetramethyl-1,3-disilacyclobutane (CAS 1627-98-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1408123-3 (accessed 2026-11-09).

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