13645-74-4

13645-74-4 structure
13645-74-4 structure
  • Name: 4,5-Dibromo-2-methyl-3(2H)-pyridazinone
  • Chemical Name: 4,5-dibromo-2-methylpyridazin-3-one
  • CAS Number: 13645-74-4
  • Molecular Formula: C5H4Br2N2O
  • Molecular Weight: 267.906
  • Create Date: 2018-10-12 17:48:41
  • Modify Date: 2024-08-04 12:51:41

Name 4,5-dibromo-2-methylpyridazin-3-one
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
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

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
HS Code 2933990090
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%