Introduction：Basic information about CAS 19156-50-4|5-Methyl-3-thiophenecarboxylic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 5-Methyl-3-thiophenecarboxylic acid |
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| CAS Number | 19156-50-4 | Molecular Weight | 142.176 |
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| Density | 1.3±0.1 g/cm3 | Boiling Point | 274.7±20.0 °C at 760 mmHg |
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| Molecular Formula | C6H6O2S | Melting Point | 131-132 °C |
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| MSDS | USA | Flash Point | 120.0±21.8 °C |
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Names
| Name | 5-Methyl-thiophene-3-carboxylic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.3±0.1 g/cm3 |
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| Boiling Point | 274.7±20.0 °C at 760 mmHg |
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| Melting Point | 131-132 °C |
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| Molecular Formula | C6H6O2S |
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| Molecular Weight | 142.176 |
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| Flash Point | 120.0±21.8 °C |
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| Exact Mass | 142.008850 |
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| PSA | 65.54000 |
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| LogP | 1.96 |
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| Vapour Pressure | 0.0±0.6 mmHg at 25°C |
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| Index of Refraction | 1.591 |
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| InChIKey | VFORWJLUXKGLAH-UHFFFAOYSA-N |
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| SMILES | Cc1cc(C(=O)O)cs1 |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- XM8475000
- CHEMICAL NAME :
- 3-Thiophenecarboxylic acid, 5-methyl-
- CAS REGISTRY NUMBER :
- 19156-50-4
- BEILSTEIN REFERENCE NO. :
- 0002475
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C6-H6-O2-S
- MOLECULAR WEIGHT :
- 142.18
- WISWESSER LINE NOTATION :
- T5SJ B1 DVQ
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1300 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 26,831,1971
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Safety Information
| Hazard Codes | Xi |
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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
| 5-Methyl-3-thiophenecarboxylic acid |
| 3-Thiophenecarboxylic acid, 5-methyl- |
| 5-Methylthiophene-3-carboxylic acid |
