Introduction：Basic information about CAS 933-76-6|4,5-Dichloro-2-methyl-2H-pyridazin-3-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4,5-Dichloro-2-methyl-2H-pyridazin-3-one |
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| CAS Number | 933-76-6 | Molecular Weight | 179.004 |
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| Density | 1.6±0.1 g/cm3 | Boiling Point | 197.2±50.0 °C at 760 mmHg |
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| Molecular Formula | C5H4Cl2N2O | Melting Point | 87-91ºC(lit.) |
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| MSDS | USA | Flash Point | 73.1±30.1 °C |
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| Symbol |
GHS06 | Signal Word | Danger |
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Names
| Name | 4,5-Dichloro-2-Methylpyridazin-3-One |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.6±0.1 g/cm3 |
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| Boiling Point | 197.2±50.0 °C at 760 mmHg |
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| Melting Point | 87-91ºC(lit.) |
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| Molecular Formula | C5H4Cl2N2O |
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| Molecular Weight | 179.004 |
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| Flash Point | 73.1±30.1 °C |
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| Exact Mass | 177.970062 |
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| PSA | 34.89000 |
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| LogP | -0.34 |
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| Vapour Pressure | 0.4±0.4 mmHg at 25°C |
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| Index of Refraction | 1.612 |
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| Storage condition | 2-8°C |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- UR6188000
- CHEMICAL NAME :
- 3(2H)-Pyridazinone, 4,5-dichloro-2-methyl-
- CAS REGISTRY NUMBER :
- 933-76-6
- BEILSTEIN REFERENCE NO. :
- 0127609
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C5-H4-Cl2-N2-O
- MOLECULAR WEIGHT :
- 179.01
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
| Symbol |
GHS06 |
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| Signal Word | Danger |
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| Hazard Statements | H301-H315-H317-H319-H335 |
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| Precautionary Statements | P261-P280-P301 + P310-P305 + P351 + P338 |
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| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Faceshields;Gloves |
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| Hazard Codes | Xn: Harmful; |
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| Risk Phrases | R22 |
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| Safety Phrases | 26-36 |
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| RIDADR | UN 2811 6.1/PG 3 |
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| WGK Germany | 3 |
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| RTECS | UR6188000 |
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| Hazard Class | 6.1 |
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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
| 4,5-Dichloro-2-methyl-3(2H)-pyridazinone |
| 4,5-dichloro-2-methylpyridazin-3(2H)-one |
| MFCD00051686 |
| 3(2H)-Pyridazinone, 4,5-dichloro-2-methyl- |
| 4,5-dichloro-2-methylpyridazin-3-one |
| 4,5-Dichloro-2-methyl-2H-pyridazin-3-one |
