Skip to main content

3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene

Also known as: 3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene, 3,3′-Dibromo-5,5′-bis(trimethylsilyl)-2,2′-bithiophene, 3,3-Dibromo-5,5-bis(trimethylsilyl)-2,2-bithiophene, 3,3'-dibromo-5,5'-bis-trimethylsilanyl-[2,2']bithiophenyl, 3,3'-dibromo-5,5'-bis-trimethylsilanyl-2,2'-bithiophene, 5,5'-bis(trimethylsilyl)-3,3'-dibromo-2,2'-bithiophene, (3,3'-Dibromo-[2,2'-bithiophene]-5,5'-diyl)bis(trimethylsilane), (3,3'-Dibromo-2,2'-bithiene-5,5'-diyl)bis(trimethylsilane), Silane, 1,1'-(3,3'-dibromo[2,2'-bithiophene]-5,5'-diyl)bis[1,1,1-trimethyl-, [4-bromo-5-(3-bromo-5-trimethylsilylthiophen-2-yl)thiophen-2-yl]-trimethylsilane

3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene (CAS 207742-50-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H20Br2S2Si2 and a molecular weight of 468.418 g/mol. Key properties include a melting point of 89 °C, a boiling point of 400.8±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 196.2±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
207742-50-5
Jingsj CID
J-1388389-1
Molecular Formula
C14H20Br2S2Si2
Molecular Weight
468.418 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point89 °C
Boiling Point400.8±45.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point196.2±28.7 °C
Exact Mass465.891144
PSA56.48000
LogP9.63
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.582

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene?

The CAS number of 3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene is 207742-50-5.

What are the molecular formula and molecular weight of 3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene?

3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene has molecular formula C14H20Br2S2Si2 and molecular weight 468.418 g/mol.

Is 3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene hazardous?

3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene?

For 3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene, Upstream Products: Chlorotrimethylsilane, 3,3'-Dibromo-2,2'-bithiophene, 3,3',5,5'-Tetrabromo-2,2'-bithiophene; Downstream Products: 4H-Cyclopenta[2,1-b:3,4-b']dithiophen-4-one, 2,6-Dibromo-4,4-dioctyl-4H-silolo[3,2-b:4,5-b']dithiophene.

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

Last updated:

How to cite: Jingsj. "3,3'-Dibromo-5,5'-bis(trimethylsilyl)-2,2'-bithiophene (CAS 207742-50-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1388389-1 (accessed 2026-11-09).

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