3,3'-Dimethyl-2,2'-bithiophenyl

Also known as: 2,2'-Bithiophene, 3,3'-dimethyl-, 3,3'-Dimethyl-2,2'-bithiophene, 3,3'-Dimethyl-6H,6'H-2,2'-bithiopyran, 3-methyl-2-(3-methylthiophen-2-yl)thiophene, 3,3-DIMETHYL-2,2''-BITHIOPHENY

3,3'-Dimethyl-2,2'-bithiophenyl (CAS 67984-20-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C10H10S2 and a molecular weight of 194.31600 g/mol. Key properties include a boiling point of 244.9ºC at 760mmHg, a density of 1.169g/cm3 and a flash point of 73.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 67984-20-7
Jingsj CID: J-5481-9
Molecular Formula: C₁₀H₁₀S₂
Molecular Weight: 194.31600 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	244.9ºC at 760mmHg
Density	1.169g/cm3
Flash Point	73.3ºC
Exact Mass	194.02200
PSA	56.48000
LogP	4.09340
Refractive Index	1.618-1.62

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 3,3'-Dimethyl-2,2'-bithiophenyl?

The CAS number of 3,3'-Dimethyl-2,2'-bithiophenyl is 67984-20-7.

What are the molecular formula and molecular weight of 3,3'-Dimethyl-2,2'-bithiophenyl?

3,3'-Dimethyl-2,2'-bithiophenyl has molecular formula C10H10S2 and molecular weight 194.31600 g/mol.

What are the upstream and downstream products of 3,3'-Dimethyl-2,2'-bithiophenyl?

For 3,3'-Dimethyl-2,2'-bithiophenyl, Upstream Products: 2-Bromo-3-methylthiophene, Methylmagnesium iodide, 3,3'-Dibromo-2,2'-bithiophene.

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. "3,3'-Dimethyl-2,2'-bithiophenyl (CAS 67984-20-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5481-9 (accessed 2026-11-09).

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