Introduction：Basic information about CAS 13645-74-4|4,5-Dibromo-2-methyl-3(2H)-pyridazinone, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4,5-Dibromo-2-methyl-3(2H)-pyridazinone |
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| CAS Number | 13645-74-4 | Molecular Weight | 267.906 |
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| Density | 2.2±0.1 g/cm3 | Boiling Point | 236.9±50.0 °C at 760 mmHg |
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| Molecular Formula | C5H4Br2N2O | Melting Point | 120 °C |
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| MSDS | / | Flash Point | 97.1±30.1 °C |
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Names
| Name | 4,5-dibromo-2-methylpyridazin-3-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 2.2±0.1 g/cm3 |
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| Boiling Point | 236.9±50.0 °C at 760 mmHg |
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| Melting Point | 120 °C |
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| Molecular Formula | C5H4Br2N2O |
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| Molecular Weight | 267.906 |
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| Flash Point | 97.1±30.1 °C |
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| Exact Mass | 265.869019 |
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| PSA | 34.89000 |
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| LogP | 0.00 |
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| Vapour Pressure | 0.0±0.5 mmHg at 25°C |
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| Index of Refraction | 1.679 |
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| InChIKey | SLVVMPLOQDFREV-UHFFFAOYSA-N |
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| SMILES | Cn1ncc(Br)c(Br)c1=O |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- UR6178000
- CHEMICAL NAME :
- 3(2H)-Pyridazinone, 4,5-dibromo-2-methyl-
- CAS REGISTRY NUMBER :
- 13645-74-4
- LAST UPDATED :
- 199212
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C5-H4-Br-N2-O
- MOLECULAR WEIGHT :
- 188.02
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 40,,921,1985
- TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >300 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 40,921,1985
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Safety Information
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
| 4,5-dibromo-2-methylpyridazin-3(2H)-one |
| 3(2H)-Pyridazinone, 4,5-dibromo-2-methyl- |
| 3(2H)-Pyridazinone,4,5-dibromo-2-methyl |
| 4,5-Dibromo-2-methyl-3(2H)-pyridazinone |
| 4,5-dibromo-2-methyl-2H-pyridazin-3-one |
| 2-methyl-4,5-dibromo-3(2H)-pyridazinone |
