2,5-噻吩二甲酸，CAS 登记号 4282-31-9，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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2,5-thiophenedicarboxylic acid · CAS 4282-31-9 · C6H4O4S. UNII 5Q8A2G9Y8A.
| CAS Registry Number | 4282-31-9 |
|---|---|
| PubChem CID | 20273 |
| Molecular formula | C6H4O4S |
| IUPAC name | thiophene-2,5-dicarboxylic acid |
| UNII (FDA) | 5Q8A2G9Y8A |
| Molecular Weight | 172.16 |
|---|---|
| XLogP3 | 1.3 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 171.98302978 |
| Monoisotopic Mass | 171.98302978 |
| Topological Polar Surface Area | 103 |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Reported hazard statements | H315 (100%), H319 (100%), H335 (97.8%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
2,5-Thiophenedicarboxylic acid; THIOPHENE-2,5-DICARBOXYLIC ACID; 2,5-Dicarboxythiophene; 2,5-Thiophene dicarboxylic acid; UNII-5Q8A2G9Y8A; 5Q8A2G9Y8A; EINECS 224-284-2; NSC 81789; NSC-81789; DTXSID7063392; RefChem:83027; DTXCID1040166; YCGAZNXXGKTASZ-UHFFFAOYSA-N; 4282-31-9; MFCD00016896; TH-2COOH
CAS 4282-31-9; molecular formula C6H4O4S; molecular weight — g/mol.
2,5-Thiophenedicarboxylic acid, THIOPHENE-2,5-DICARBOXYLIC ACID, 2,5-Dicarboxythiophene, 2,5-Thiophene dicarboxylic acid, UNII-5Q8A2G9Y8A, 5Q8A2G9Y8A.
Hazard statements reported: H315, H319, H335.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.