Thieno[3,2-b]thiophene (CAS 251-41-2) — formula C6H4S2, molecular weight 140.2; category organic chemicals.
Thieno[3,2-b]thiophene (CAS 251-41-2) is a chemical raw material in the organic chemicals category. Its molecular formula C6H4S2 comprises 6 C, 4 H, 2 S atoms. Its molecular weight is about 140.2. Reported physicochemical data: LogP about 2.7. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 251-41-2 |
|---|---|
| Molecular Formula | C6H4S2 |
| Molecular Weight | 140.2 |
| LogP | 2.7 |
| Category | Organic Chemicals |
Thieno[3,2-b]thiophene is a carbon-based organic compound with CAS registry number 251-41-2 and molecular formula C6H4S2 (molecular weight 140.2), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 251-41-2
Its molecular formula C6H4S2 comprises 6 C, 4 H, 2 S atoms.
Also known as: Thieno[3,2-b]thiophene · 噻吩并[3,2-b]噻吩
Category: organic chemicals
The CAS registry number of Thieno[3,2-b]thiophene is 251-41-2.
Molecular formula C6H4S2, molecular weight 140.2.
It is also registered under: Thieno[3,2-b]thiophene, 噻吩并[3,2-b]噻吩.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Thieno[3,2-b]thiophene (CAS 251-41-2), compiled from public chemistry databases.
| CAS Registry Number | 251-41-2 |
|---|---|
| PubChem CID | 136063 |
| Molecular formula | C6H4S2 |
| IUPAC name | thieno[3,2-b]thiophene |
| Molecular Weight | 140.2 |
|---|---|
| XLogP3 | 2.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 139.97544247 |
| Monoisotopic Mass | 139.97544247 |
| Topological Polar Surface Area | 56.5 |
| Heavy Atom Count | 8 |
Thieno[3,2-b]thiophene; 251-41-2; 1,4-Dithiapentalene; 1,4-Thiophthene; Thieno(3,2-b)thiophene; DTXSID80179783; RefChem:189378; DTXCID40102274; 626-295-1; VJYJJHQEVLEOFL-UHFFFAOYSA-N; thienothiophene; MFCD00179479; C6H4S2; SCHEMBL29149; HY-34607; 94479-77-3
| Reported hazard statements | H302 (100%), H315 (97.7%), H319 (97.7%), H335 (97.7%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (97.7%): Causes skin irritation [Warning Skin corrosion/irritation]
Thieno[3,2-b]thiophene · CAS 251-41-2 · C6H4S2.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 噻吩并[3,2-b]噻吩