4,5-Dihydro-6-methylpyridazin-3(2H)-one

Modify Date: 2025-08-20 20:41:14

4,5-Dihydro-6-methylpyridazin-3(2H)-one structure	Common Name	4,5-Dihydro-6-methylpyridazin-3(2H)-one
	CAS Number	5157-08-4	Molecular Weight	112.130
	Density	1.2±0.1 g/cm3	Boiling Point	N/A
	Molecular Formula	C₅H₈N₂O	Melting Point	102-104 ºC
	MSDS	N/A	Flash Point	N/A

Name	4,5-Dihydro-6-methylpyridazin-3(2H)-one
Synonym	More Synonyms

Density	1.2±0.1 g/cm3
Melting Point	102-104 ºC
Molecular Formula	C₅H₈N₂O
Molecular Weight	112.130
Exact Mass	112.063660
PSA	41.46000
LogP	-1.71
Index of Refraction	1.577

4,5-Dihydro-6-methylpyridazin-3(2H)-one MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UR6375000

CHEMICAL NAME :: 3(2H)-Pyridazinone, 4,5-dihydro-6-methyl-

CAS REGISTRY NUMBER :: 5157-08-4

LAST UPDATED :: 197901

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H8-N2-O

MOLECULAR WEIGHT :: 112.15

WISWESSER LINE NOTATION :: T6NMV FUTJ F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 320 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#02409

Hazard Codes	Xn:Harmful;
Risk Phrases	R20/21/22;R36/37/38
Safety Phrases	S37/39-S26-S36/37/39-S22
RTECS	UR6375000
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%

6-methyl-4,5-dihydro-2H-pyridazin-3-one

6-METHYL-2,3,4,5-TETRAHYDROPYRIDAZIN-3-ONE

3(2H)-Pyridazinone, 4,5-dihydro-6-methyl-

4,5-Dihydro-6-methyl-3(2H)-pyridazinone

6-Methyl-4,5-dihydro-3-pyridazone

6-Methyl-4,5-dihydro-3(2H)-pyridazinone

6-Methyl-4,5-dihydropyridazin-3(2H)-one

dihydropyridazinone

MFCD00006455

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China
Product Name: 4,5-Dihydro-6-methylpyridazin-3(2H)-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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4,5-Dihydro-6-methylpyridazin-3(2H)-one

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Customs

Synonyms

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