2-Mercaptothiophene (CAS 7774-74-5) — formula C4H4S2, molecular weight 115.97 g/mol; category organic chemicals.
| CAS Number | 7774-74-5 |
|---|---|
| Molecular Formula | C4H4S2 |
| Molecular Weight | 115.97 g/mol |
| Boiling Point | 166.00 °C. @ 760.00 mm Hg |
| LogP | 2.2 |
| Category | Organic Chemicals |
2-Mercaptothiophene is a carbon-based organic compound with CAS registry number 7774-74-5 and molecular formula C4H4S2 (molecular weight 115.97 g/mol), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 7774-74-5
Its molecular formula C4H4S2 comprises 4 C, 4 H, 2 S atoms.
Also known as: 2-Mercaptothiophene · 2-巯基噻吩 · Thiophene-2-thiol
Category: organic chemicals
The CAS registry number of 2-Mercaptothiophene is 7774-74-5.
Molecular formula C4H4S2, molecular weight 115.97 g/mol.
It is also registered under: 2-Mercaptothiophene, 2-巯基噻吩, Thiophene-2-thiol.
Category: Organic Chemicals.
Independent reference data for 2-Mercaptothiophene (CAS 7774-74-5), compiled from public chemistry databases.
| CAS Registry Number | 7774-74-5 |
|---|---|
| PubChem CID | 522674 |
| Molecular formula | C4H4S2 |
| IUPAC name | thiophene-2-thiol |
| UNII (FDA) | F3LB1437XQ |
| FEMA number | 3062 |
| JECFA number | 1052 |
| Molecular Weight | 116.2 |
|---|---|
| XLogP3 | 2.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 115.97544247 |
| Monoisotopic Mass | 115.97544247 |
| Topological Polar Surface Area | 29.2 |
| Heavy Atom Count | 6 |
| Boiling Point | 166.00 °C. @ 760.00 mm Hg |
|---|---|
| Boiling Point | 166 °C |
| Density | 1.250-1.255 |
| Refractive Index | 1.618-1.622 |
Thiophene-2-thiol; 2-Thiophenethiol; 7774-74-5; 2-Thienyl mercaptan; 2-thienylmercaptan; FEMA No. 3062; UNII-F3LB1437XQ; F3LB1437XQ; 2-THIENYL MERCAPTAN [FHFI]; EINECS 231-881-1; DTXSID40228362; RefChem:89471; DTXCID60150853; SWEDAZLCYJDAGW-UHFFFAOYSA-N; 2-Mercaptothiophene; thiophenethiol
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Coffee No safety concern at current levels of intake when used as a flavouring agent |
|---|---|
| GHS notification summary | 0.1% (1 / 1423) |
| GHS notification summary | 0.1% (1 / 1423) |
|---|---|
| Reported hazard statements | H302 (96.3%), H312 (96%), H332 (96.3%) |
This chemical does not meet GHS hazard criteria for < 0.1% (1 of 1423) of reports.
H302 (96.3%): Harmful if swallowed [Warning Acute toxicity, oral]
Thiophene-2-thiol · CAS 7774-74-5 · C4H4S2. UNII F3LB1437XQ. Boiling Point: 166.00 °C. @ 760.00 mm Hg; Boiling Point: 166 °C; Density: 1.250-1.255.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 2-巯基噻吩