5,5′-Bis(tributylstannyl)-2,2′-bithiophene

5,5′-双(三丁基甲锡烷基)-2,2′-二噻吩

Also known as: Stannane, 1,1'-[2,2'-bithiophene]-5,5'-diylbis[1,1,1-tributyl-, tributyl-[5-(5-tributylstannylthiophen-2-yl)thiophen-2-yl]stannane, 5,5'-Bis(tributylstannyl)-2,2'-bithiophene 97%, 5,5′-BIS(TRIBUTYLSTANNYL)-2,2′-BITHOPHENE, MFCD01319063

5,5′-Bis(tributylstannyl)-2,2′-bithiophene (CAS 171290-94-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C32H58S2Sn2 and a molecular weight of 744.33500 g/mol. It is also known as Stannane, 1,1'-[2,2'-bithiophene]-5,5'-diylbis[1,1,1-tributyl-, tributyl-[5-(5-tributylstannylthiophen-2-yl)thiophen-2-yl]stannane and 5,5'-Bis(tributylstannyl)-2,2'-bithiophene 97%. Key properties include a boiling point of 632.7±65.0℃(Predicted), a density of 1.217 g/mL at 25℃ and a flash point of >110℃. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
171290-94-1
Jingsj CID
J-1584856-7
Molecular Formula
C32H58S2Sn2
Chinese Name
5,5′-双(三丁基甲锡烷基)-2,2′-二噻吩
Molecular Weight
744.33500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point632.7±65.0℃(Predicted)
Density1.217 g/mL at 25℃
Flash Point>110℃

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 5,5′-Bis(tributylstannyl)-2,2′-bithiophene?

The CAS number of 5,5′-Bis(tributylstannyl)-2,2′-bithiophene is 171290-94-1.

What are the molecular formula and molecular weight of 5,5′-Bis(tributylstannyl)-2,2′-bithiophene?

5,5′-Bis(tributylstannyl)-2,2′-bithiophene has molecular formula C32H58S2Sn2 and molecular weight 744.33500 g/mol.

Is 5,5′-Bis(tributylstannyl)-2,2′-bithiophene hazardous?

5,5′-Bis(tributylstannyl)-2,2′-bithiophene has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "5,5′-Bis(tributylstannyl)-2,2′-bithiophene (CAS 171290-94-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1584856-7 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.