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VAQORA2,5-Thiophenedicarboxylic acid, 99%
Synonyms: Thiophene-2,5-dicarboxylate · 2,5-Thiophenedicarboxylic acid · 2,5-Dicarboxythiophene · 2,5-Thiophene dicarboxylic acid
CAS No.4282-31-9
FormulaC6H4O4S
Mol. weight172.16
Catalogue No.VQ-012281
Purity99%
HSN29090000
2,5-Thiophenedicarboxylic acid (CAS 4282-31-9) – sulfur heterocycle, Puriss grade, 99%. C6H4O4S, MW 172.16. Vaqora Chemicals: COA, global shipping.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About 2,5-Thiophenedicarboxylic acid, 99%
2,5-Thiophenedicarboxylic acid is a sulfur heterocycle in Puriss grade carrying the CAS registry number 4282-31-9 at a purity of 99%. With the molecular formula C6H4O4S, it has a molar mass of 172.16 g/mol. Systematically, it is named thiophene-2,5-dicarboxylic acid. Alternative names: Thiophene-2,5-dicarboxylate and 2,5-Dicarboxythiophene.
In its supplied form it is white to off-white powder or crystals. Reported physical data include a melting point of above 300 °C. Solubility: very soluble in water. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.
Key uses span polymer and resin production and organic synthesis. Typical end-use sectors are pharmaceutical manufacturing, academic and industrial research and polymers and plastics.
We offer 2,5-Thiophenedicarboxylic acid in 1 g, 5 g, 25 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.
Typical applications
- Polymer & resin production
- Organic synthesis
Industries
Specifications & identifiers
| Product name | 2,5-Thiophenedicarboxylic acid, 99% |
|---|---|
| Catalogue No. | VQ-012281 |
| CAS Number | 4282-31-9 |
| IUPAC name | thiophene-2,5-dicarboxylic acid |
| Molecular formula | C6H4O4S |
| Molecular weight | 172.16 g/mol |
| Exact mass | 171.983 |
| Grade | Puriss |
| Purity / assay | 99% |
| HSN code | 29090000 |
| InChIKey | YCGAZNXXGKTASZ-UHFFFAOYSA-N |
| SMILES | C1=C(SC(=C1)C(=O)O)C(=O)O |
| PubChem CID | 20273 |
| Physical form | Crystalline |
|---|---|
| Appearance | White to off-white powder or crystals |
| Melting point | >300 °C |
| Solubility | Very soluble in water |
| LogP (XLogP3) | 1.3 |
| H-bond donors / acceptors | 2 / 5 |
| TPSA | 103 Ų |
| Synonyms | Thiophene-2,5-dicarboxylate, 2,5-Thiophenedicarboxylic acid, 2,5-Dicarboxythiophene, 2,5-Thiophene dicarboxylic acid, 2.5-Thiophenedicarboxylic acid, 2,5-thiophene-dicarboxylic acid, thiophene-2.5-dicarboxylic acid, 2,5-Thiophenedicarboxylic acid, 99% |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H315Causes skin irritationH319Causes serious eye irritationH335May cause respiratory irritation
Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of 2,5-Thiophenedicarboxylic acid, 99%?
The CAS Registry Number of 2,5-Thiophenedicarboxylic acid, 99% is 4282-31-9. It is also known as Thiophene-2,5-dicarboxylate, 2,5-Thiophenedicarboxylic acid, 2,5-Dicarboxythiophene.
What is the molecular formula and molecular weight of 2,5-Thiophenedicarboxylic acid, 99%?
2,5-Thiophenedicarboxylic acid, 99% has the molecular formula C6H4O4S and a molecular weight of 172.16 g/mol. Its IUPAC name is thiophene-2,5-dicarboxylic acid.
Which grade and pack sizes of 2,5-Thiophenedicarboxylic acid, 99% can I order?
We supply 2,5-Thiophenedicarboxylic acid, 99% in Puriss (99%) grade, in 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with 2,5-Thiophenedicarboxylic acid, 99%?
Yes. Every lot of 2,5-Thiophenedicarboxylic acid, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can 2,5-Thiophenedicarboxylic acid, 99% be shipped internationally?
Yes. 2,5-Thiophenedicarboxylic acid, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about 2,5-Thiophenedicarboxylic acid, 99%
We reply within one business day with price, pack options, lead time and documentation.
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