2-Thenaldehyde (CAS 98-03-3) — formula C5H4OS, molecular weight 112.15; category chemical intermediates.
2-Thenaldehyde (CAS 98-03-3) is a chemical raw material in the chemical intermediates category. Its molecular formula C5H4OS comprises 5 C, 4 H, 1 O, 1 S atoms. Its molecular weight is about 112.15. Reported physicochemical data: boiling point around 75.00 to 77.00 °C. @ 11.00 mm Hg, LogP about 1.02. 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 | 98-03-3 |
|---|---|
| Molecular Formula | C5H4OS |
| Molecular Weight | 112.15 |
| Boiling Point | 75.00 to 77.00 °C. @ 11.00 mm Hg |
| LogP | 1.02 |
| Applications | 2-Thiophenecarboxaldehyde: ACTIVE |
| Category | Chemical Intermediates |
Documented applications: 2-Thiophenecarboxaldehyde: ACTIVE.
2-Thenaldehyde is a chemical intermediate compound with CAS registry number 98-03-3 and molecular formula C5H4OS (molecular weight 112.15), belonging to the chemical intermediates segment of chemical raw materials.
CAS number: 98-03-3
Its molecular formula C5H4OS comprises 5 C, 4 H, 1 O, 1 S atoms.
Also known as: 2-Thenaldehyde · 2-苯乙醛 · 2-Thiophenecarboxaldehyde
Category: chemical intermediates
The CAS registry number of 2-Thenaldehyde is 98-03-3.
Molecular formula C5H4OS, molecular weight 112.15.
It is also registered under: 2-Thenaldehyde, 2-苯乙醛, 2-Thiophenecarboxaldehyde.
Recorded applications: 2-Thiophenecarboxaldehyde: ACTIVE.
Category: Chemical Intermediates.
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 2-Thenaldehyde (CAS 98-03-3), compiled from public chemistry databases.
| CAS Registry Number | 98-03-3 |
|---|---|
| PubChem CID | 7364 |
| Molecular formula | C5H4OS |
| IUPAC name | thiophene-2-carbaldehyde |
| UNII (FDA) | IW05BB9XBM |
| Molecular Weight | 112.15 |
|---|---|
| XLogP3 | 1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 111.99828592 |
| Monoisotopic Mass | 111.99828592 |
| Topological Polar Surface Area | 45.3 |
| Heavy Atom Count | 7 |
| Boiling Point | 75.00 to 77.00 °C. @ 11.00 mm Hg |
|---|---|
| Vapor Pressure | 0.55 [mmHg] |
| LogP | 1.02 |
Thiophene-2-carbaldehyde; 2-Thiophenecarboxaldehyde; 98-03-3; 2-Thiophenealdehyde; Thiophene-2-carboxaldehyde; 2-Thienylaldehyde; 2-Thienylcarboxaldehyde; 2-Thienaldehyde; 2-Thiophene carboxaldehyde; alpha-Formylthiophene; alpha-Thiophenecarboxaldehyde; IW05BB9XBM; DTXSID7052656; RefChem:483769; DTXCID4031229; 202-629-8
| Reported hazard statements | H302 (100%), H315 (95.4%), H317 (63.8%), H319 (99.3%), H335 (30.3%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (95.4%): Causes skin irritation [Warning Skin corrosion/irritation]
2-Thiophenecarboxaldehyde · CAS 98-03-3 · C5H4OS. UNII IW05BB9XBM. Boiling Point: 75.00 to 77.00 °C. @ 11.00 mm Hg; Vapor Pressure: 0.55 [mmHg]; LogP: 1.02.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 2-苯乙醛