Introduction：Basic information about CAS 86-92-0|2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one |
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| CAS Number | 86-92-0 | Molecular Weight | 188.226 |
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| Density | 1.1±0.1 g/cm3 | Boiling Point | 365.1±21.0 °C at 760 mmHg |
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| Molecular Formula | C11H12N2O | Melting Point | 129 °C |
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| MSDS | USA | Flash Point | 174.6±22.1 °C |
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Names
| Name | 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one |
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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 | 365.1±21.0 °C at 760 mmHg |
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| Melting Point | 129 °C |
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| Molecular Formula | C11H12N2O |
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| Molecular Weight | 188.226 |
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| Flash Point | 174.6±22.1 °C |
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| Exact Mass | 188.094955 |
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| PSA | 32.67000 |
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| LogP | 0.90 |
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| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
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| Index of Refraction | 1.595 |
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| InChIKey | IOQOLGUXWSBWHR-UHFFFAOYSA-N |
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| SMILES | CC1=NN(c2ccc(C)cc2)C(=O)C1 |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- UQ9680000
- CHEMICAL NAME :
- 2-Pyrazolin-5-one, 3-methyl-1-p-tolyl-
- CAS REGISTRY NUMBER :
- 86-92-0
- LAST UPDATED :
- 199709
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C11-H12-N2-O
- MOLECULAR WEIGHT :
- 188.25
- WISWESSER LINE NOTATION :
- T5NNV DHJ BR D1& E1
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 7450 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Skin and Appendages - hair
- REFERENCE :
- LONZA# Personal Communication from LONZA Ltd., CH-4002, Basel, Switzerland Volume(issue)/page/year: 26APR1982
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Safety Information
| Hazard Codes | Xn |
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| Risk Phrases | 22 |
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| RTECS | UQ9680000 |
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| HS Code | 2933199090 |
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Customs
| HS Code | 2933199090 |
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| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| EINECS 201-708-4 |
| 5-methyl-2-(4-methylphenyl)-4H-pyrazol-3-one |
| MFCD00035708 |
| 5-Methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one |
| 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one |
| 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-methylphenyl)- |
