Introduction：Basic information about CAS 1723-27-9|Thieno[3,2-b]thiophene-2-carboxylic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Thieno[3,2-b]thiophene-2-carboxylic acid |
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| CAS Number | 1723-27-9 | Molecular Weight | 184.236 |
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| Density | 1.6±0.1 g/cm3 | Boiling Point | 386.7±22.0 °C at 760 mmHg |
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| Molecular Formula | C7H4O2S2 | Melting Point | 225-227ºC |
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| MSDS | USA | Flash Point | 187.6±22.3 °C |
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Names
| Name | thieno[3,2-b]thiophene-5-carboxylic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.6±0.1 g/cm3 |
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| Boiling Point | 386.7±22.0 °C at 760 mmHg |
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| Melting Point | 225-227ºC |
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| Molecular Formula | C7H4O2S2 |
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| Molecular Weight | 184.236 |
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| Flash Point | 187.6±22.3 °C |
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| Exact Mass | 183.965271 |
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| PSA | 93.78000 |
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| LogP | 4.91 |
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| Vapour Pressure | 0.0±0.9 mmHg at 25°C |
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| Index of Refraction | 1.770 |
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| InChIKey | GVZXSZWCZGKLRS-UHFFFAOYSA-N |
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| SMILES | O=C(O)c1cc2sccc2s1 |
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| Storage condition | 2-8°C |
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Safety Information
| Hazard Codes | Xi: Irritant; |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | S26-S37/39 |
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| HS Code | 2934999090 |
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Customs
| HS Code | 2934999090 |
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| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| Thieno[3,2-b]thiophen-2-carbonsaeure |
| Thieno[3,2-b]thiophene-2-carboxylic acid |
| thiopheno[3,2-b]thiophene-2-carboxylic acid |
| THI073 |
| MFCD00115174 |
| 2-carboxy-thieno[3,2-b]thiophene |
