4,5-Dibromo-2-methyl-3(2H)-pyridazinone

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Names

[ CAS No. ]:
13645-74-4

[ Name ]:
4,5-Dibromo-2-methyl-3(2H)-pyridazinone

[Synonym ]:
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

Chemical & Physical Properties

[ Density]:
2.2±0.1 g/cm3

[ Boiling Point ]:
236.9±50.0 °C at 760 mmHg

[ Melting Point ]:
120 °C

[ Molecular Formula ]:
C5H4Br2N2O

[ Molecular Weight ]:
267.906

[ Flash Point ]:
97.1±30.1 °C

[ Exact Mass ]:
265.869019

[ PSA ]:
34.89000

[ LogP ]:
0.00

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.679

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 DATA

ACUTE 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

Safety Information

[ HS Code ]:
2933990090

Precursor & DownStream

Precursor

  • 4,5-Dibromopyridazin-3-one
  • methyl iodide

DownStream

  • 5-amino-2-methyl-2,3-dihydropyridazin-3-one
  • 5-AMINO-4-BROMO-2-METHYL-2H-PYRIDAZIN-3-ONE
  • 4-BROMO-5-HYDROXY-2-METHYL-2H-PYRIDAZIN-3-ONE

Customs

[ HS Code ]: 2933990090

[ 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%

Related Compounds

  • 4,5-Dibromo-2-phenyl-3(2H)-pyridazinone
  • 4,5-DIBROMO-2-(3,4-DIFLUOROPHENYL)-3(2H)-PYRIDAZINONE
  • 4,5-dibromo-2-[3-(trifluoromethyl)phenyl]pyridazin-3-one
  • 4,5-dihydro-6-[4-(1H-imidazol-1-yl)phenyl]-2-methyl-3-(2H)-pyridazinone
  • LCS-1.28
  • 4,5-Dichloro-2-methyl-3(2H)-isothiazolone