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VAQORAThiophenes, Thiazoles & ThiadiazolesAvailable on request
2-Thiophenecarboxylic acid, 99%
Synonyms: 2-Thenoic acid · 2-Carboxythiophene · 2-Thienylcarboxylic acid · Tenoic acid
CAS No.527-72-0
FormulaC5H4O2S
Mol. weight128.15
Catalogue No.VQ-012312
Purity99%
HSN29309090
2-Thiophenecarboxylic acid (CAS 527-72-0) – sulfur heterocycle, 99%. C5H4O2S, MW 128.15. Request a quote: COA, bulk packs and worldwide export.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About 2-Thiophenecarboxylic acid, 99%
Vaqora Chemicals supplies 2-Thiophenecarboxylic acid, a sulfur heterocycle registered under CAS number 527-72-0, specified at 99% purity. The compound has the formula C5H4O2S, corresponding to a molecular weight of 128.15 g/mol. Systematically, it is named thiophene-2-carboxylic acid. Common synonyms include 2-Thenoic acid and 2-Carboxythiophene.
The material typically appears as white to beige powder or crystals. Literature values give a melting point of 125-127 °C and a boiling point of 260 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.
It is commonly used for cosmetics and personal care and organic synthesis. It is used across pharmaceutical manufacturing, academic and industrial research and cosmetics and personal care.
Available in 25 g, 100 g and 500 g packs, 2-Thiophenecarboxylic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.
Typical applications
- Cosmetics & personal care
- Organic synthesis
Industries
Specifications & identifiers
| Product name | 2-Thiophenecarboxylic acid, 99% |
|---|---|
| Catalogue No. | VQ-012312 |
| CAS Number | 527-72-0 |
| IUPAC name | thiophene-2-carboxylic acid |
| Molecular formula | C5H4O2S |
| Molecular weight | 128.15 g/mol |
| Exact mass | 127.9932 |
| Purity / assay | 99% |
| HSN code | 29309090 |
| InChIKey | QERYCTSHXKAMIS-UHFFFAOYSA-N |
| SMILES | C1=CSC(=C1)C(=O)O |
| PubChem CID | 10700 |
| Physical form | Crystalline |
|---|---|
| Appearance | White to beige powder or crystals |
| Melting point | 125-127 °C |
| Boiling point | 260 °C |
| LogP (XLogP3) | 1.6 |
| H-bond donors / acceptors | 1 / 3 |
| TPSA | 65.5 Ų |
| Synonyms | 2-Thenoic acid, 2-Carboxythiophene, 2-Thienylcarboxylic acid, Tenoic acid, 2-TCA, Thenoic acid, Thiophene-2-carbixylic acid, Rhinotrophyl (TN), Tenoic acid (DCF), 5-18-06-00158 (Beilstein Handbook Reference), Rhinotrophyl, 2Carboxythiophene |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H302Harmful if swallowedH315Causes skin irritationH319Causes serious eye irritationH335May cause respiratory irritation
Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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-Thiophenecarboxylic acid, 99%?
The CAS Registry Number of 2-Thiophenecarboxylic acid, 99% is 527-72-0. It is also known as 2-Thenoic acid, 2-Carboxythiophene, 2-Thienylcarboxylic acid.
What is the molecular formula and molecular weight of 2-Thiophenecarboxylic acid, 99%?
2-Thiophenecarboxylic acid, 99% has the molecular formula C5H4O2S and a molecular weight of 128.15 g/mol. Its IUPAC name is thiophene-2-carboxylic acid.
Which grade and pack sizes of 2-Thiophenecarboxylic acid, 99% can I order?
We supply 2-Thiophenecarboxylic acid, 99% in (99%) grade, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with 2-Thiophenecarboxylic acid, 99%?
Yes. Every lot of 2-Thiophenecarboxylic 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-Thiophenecarboxylic acid, 99% be shipped internationally?
Yes. 2-Thiophenecarboxylic 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-Thiophenecarboxylic acid, 99%
We reply within one business day with price, pack options, lead time and documentation.
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