5-Methyl-2-thiophenecarboxylic acid CAS 1918-79-2 Acids and derivatives; heterocyclic compounds; thiophenes; fine chemicals; pharmaceutical intermediates; intermediates; thiophenes;
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Product Name |
5-Methyl-2-thiophenecarboxylic acid |
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Formula |
C6H6O2S |
Molecular Weight |
142.18 |
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CAS NO. |
1918-79-2 |
Quantity |
500KG |
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Items |
Specification |
Results |
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Appearance |
Clear Liquid |
Conforms |
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Assay |
99% | 99.28% |
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CONCLUSION |
The result conform with standard |
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Melting point 135-138°C(lit.)
Boiling point 229.75°C (roughestimate)
Density 1.365 (estimate)
Refractive index 1.5300 (estimate)
Storage conditions 2-8°C (protectfromlight)
Form Liquid
Acidity coefficient (pKa) 3.71±0.10 (Predicted)
ColorClear
Acids and derivatives; heterocyclic compounds; thiophenes; fine chemicals; pharmaceutical intermediates; intermediates; thiophenes
