2,5-Thiophenedicarboxylic Acid(CAS 4282-31-9)
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 1G | In Stock | 3 USD
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| 98% | RG | 5G | In Stock | 4 USD
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| 98% | RG | 25G | In Stock | 6 USD
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| 98% | RG | 100G | In Stock | 11 USD
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| 98% | RG | 500G | In Stock | 29 USD
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| 98% | RG | 2.5KG | In Stock | 139 USD
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| 98% | RG | 10KG | In Stock | 564 USD
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Available NMR Spectrum
Verified In Stock
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Quality System
Applications of 4282-31-9
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a pharmaceutical intermediate for synthesizing biologically active thiophene-based compounds | Introduced into the target molecular scaffold via esterification, amidation, or coupling reactions |
| Materials Science | Used to prepare conductive polymers and organic semiconductor materials | Employed as a monomer in condensation or copolymerization reactions to construct π-conjugated systems |
| Organic Synthesis | Serves as a versatile carboxylic acid building block for synthesizing complex heterocyclic compounds | The carboxyl group is utilized for decarboxylation, reduction, salt formation, or conversion to acid chlorides and other derivatives |
| Coordination Chemistry | Acts as a polydentate ligand to form stable complexes with metal ions | Coordinates to transition metals (e.g., Cu, Zn, Co) via carboxylate oxygen atoms to assemble MOFs or coordination complexes |
| Analytical Chemistry | Used as a reference standard or derivatization reagent to support mass spectrometry or chromatographic analysis of sulfur-containing compounds | Subjected to derivatization reactions with analytes prior to HPLC or GC-MS detection |
Physical and chemical properties of 4282-31-9
Acidity coefficient |
2.76±0.10(Predicted) |
|---|---|
Boiling Point |
444.6±30.0 °C at 760 mmHg |
BRN |
136781 |
Density |
1.7±0.1 g/cm3 |
Exact Mass |
171.983032 |
Flash Point |
222.7±24.6 °C |
Index of Refraction |
1.663 |
LogP |
1.34 |
Melting Point |
>300 °C(lit.) |
Molecular Formula |
C6H4O4S |
Molecular Weight |
172.159 |
PSA |
102.84000 |
Storage condition |
Keep in dark place,Sealed in dry,Room Temperature |
Vapour Pressure |
0.0±1.1 mmHg at 25°C |
Water Solubility |
Very soluble in water. |
Spectrums of 4282-31-9
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 4282-31-9
Q&A for CAS 4282-31-9
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
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Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
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Download SDS of 4282-31-9
Pictograms |
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|---|---|
Signal Word |
Warning |
Hazard Statements |
H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation |
Safety Data Sheet |
Download COA of 4282-31-9
Operate under the ISO 9001 system
