Introduction：Basic information about CAS 20721-17-9|5-Methylpyrazin-2-ol, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 5-Methylpyrazin-2-ol |
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| CAS Number | 20721-17-9 | Molecular Weight | 110.114 |
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| Density | 1.2±0.1 g/cm3 | Boiling Point | 376.2ºC at 760 mmHg |
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| Molecular Formula | C5H6N2O | Melting Point | / |
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| MSDS | / | Flash Point | 181.3ºC |
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Names
| Name | 5-methyl-1H-pyrazin-2-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.2±0.1 g/cm3 |
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| Boiling Point | 376.2ºC at 760 mmHg |
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| Molecular Formula | C5H6N2O |
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| Molecular Weight | 110.114 |
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| Flash Point | 181.3ºC |
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| Exact Mass | 110.048012 |
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| PSA | 46.01000 |
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| LogP | -0.90 |
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| Vapour Pressure | 3.41E-06mmHg at 25°C |
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| Index of Refraction | 1.577 |
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| InChIKey | MJJNWPBBFIRYCW-UHFFFAOYSA-N |
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| SMILES | Cc1c[nH]c(=O)cn1 |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- UQ3500000
- CHEMICAL NAME :
- Pyrazine, 2-hydroxy-5-methyl-
- CAS REGISTRY NUMBER :
- 20721-17-9
- LAST UPDATED :
- 199106
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C5-H6-N2-O
- MOLECULAR WEIGHT :
- 110.13
- WISWESSER LINE NOTATION :
- T6N DNJ BQ E1
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1300 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 17,244,1970
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Safety Information
| Hazard Codes | Xi |
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| HS Code | 2933990090 |
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Customs
| HS Code | 2933990090 |
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| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 2-pyrazinol, 5-methyl- |
| 5-Methyl-2(1H)-pyrazinone |
| 2(1H)-Pyrazinone, 5-methyl- |
| 5-Methyl-2-oxo-1,2-dihydro-pyrazin |
| 2-Hydroxy-5-methylpyrazine |
| 5-Methyl-1H-pyrazin-2-on |
| 5-Methylpyrazin-2-ol |
| Pyrazine,2-hydroxy-5-methyl |
| Pyrazinol,5-methyl |
