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: 2023-02-03 19:33:13

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

Precursor 2
5788-58-9 74-88-4
DownStream 3
13506-27-9 65269-63-8 64178-59-2

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%