Introduction：Basic information about CAS 13679-74-8|1-(5-Methyl-2-thienyl)ethanone, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1-(5-Methyl-2-thienyl)ethanone |
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| CAS Number | 13679-74-8 | Molecular Weight | 140.203 |
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| Density | 1.1±0.1 g/cm3 | Boiling Point | 234.9±20.0 °C at 760 mmHg |
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| Molecular Formula | C7H8OS | Melting Point | 24-28 °C(lit.) |
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| MSDS | USA | Flash Point | 95.8±21.8 °C |
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Names
| Name | 2-Acetyl-5-methylthiophene |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.1±0.1 g/cm3 |
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| Boiling Point | 234.9±20.0 °C at 760 mmHg |
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| Melting Point | 24-28 °C(lit.) |
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| Molecular Formula | C7H8OS |
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| Molecular Weight | 140.203 |
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| Flash Point | 95.8±21.8 °C |
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| Exact Mass | 140.029587 |
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| PSA | 45.31000 |
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| LogP | 1.71 |
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| Vapour Pressure | 0.1±0.5 mmHg at 25°C |
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| Index of Refraction | 1.536 |
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| InChIKey | YOSDTJYMDAEEAZ-UHFFFAOYSA-N |
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| SMILES | CC(=O)c1ccc(C)s1 |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- OB4972000
- CHEMICAL NAME :
- Ketone, methyl 5-methyl-2-thienyl
- CAS REGISTRY NUMBER :
- 13679-74-8
- BEILSTEIN REFERENCE NO. :
- 0110854
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C7-H8-O-S
- MOLECULAR WEIGHT :
- 140.21
- WISWESSER LINE NOTATION :
- T5SJ B1 EV1
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 230 mg/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - other changes
- REFERENCE :
- APFRAD Annales Pharmaceutiques Francaises. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1943- Volume(issue)/page/year: 5,16,1947
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Safety Information
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
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| Hazard Codes | Xn: Harmful;Xi: Irritant; |
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| Risk Phrases | R20/21/22 |
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| Safety Phrases | S36/37-S22 |
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| RIDADR | UN 3335 9 |
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| WGK Germany | 3 |
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| RTECS | OB4972000 |
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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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Articles9
More Articles
| Acylation studies in the thiophene and furan series. IV. Strong inorganic oxyacids as catalysts. Hartough HD and Kosak AI. J. Am. Chem. Soc. 69(12) , 3093-3096, (1947)
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| Palladium-catalysed direct 3-or 4-arylation of thiophene derivatives using aryl bromides. Dong JJ, et al. Tetrahedron 50(23) , 2778-2781, (2009)
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| Efficient guaiazulene and chamazulene syntheses involving [6+4] cycloadditions. Mukherjee D, et al. J. Am. Chem. Soc. 1010(1) , 251-252, (1979)
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Synonyms
| Thiophene, 2-acetyl-5-methyl- |
| 1-(5-Methyl-2-thienyl)ethanone |
| 1-(5-Methyl-2-thienyl)ethanone |
| 2-Acetyl-5-methylthiophene |
| T5SJ BV1 E1 |
| Ethanone, 1-(5-methyl-2-thienyl)- |
| 1-(5-methylthien-2-yl)ethanone |
| Methyl 5-methyl-2-thienyl ketone |
| 1-(5-Methyl-2-thienyl)ethan-1-one |
| 1-(5-methylthiophen-2-yl)ethanone |
| MFCD00014529 |
| EINECS 237-181-2 |
| Ketone, methyl 5-methyl-2-thienyl |
