1-Phenyl-4,5-dichloro-6-pyridazone

Modify Date: 2025-08-25 11:42:12

1-Phenyl-4,5-dichloro-6-pyridazone structure	Common Name	1-Phenyl-4,5-dichloro-6-pyridazone
	CAS Number	1698-53-9	Molecular Weight	241.07300
	Density	1.435g/cm3	Boiling Point	306.967°C at 760 mmHg
	Molecular Formula	C₁₀H₆Cl₂N₂O	Melting Point	164-166 °C(lit.)
	MSDS	Chinese USA	Flash Point	139.449°C
	Symbol	GHS07	Signal Word	Warning

Name	4,5-Dichloro-2-phenylpyridazin-3(2H)-one
Synonym	More Synonyms

Density	1.435g/cm3
Boiling Point	306.967°C at 760 mmHg
Melting Point	164-166 °C(lit.)
Molecular Formula	C₁₀H₆Cl₂N₂O
Molecular Weight	241.07300
Flash Point	139.449°C
Exact Mass	239.98600
PSA	34.89000
LogP	2.53930
Vapour Pressure	4.74E-05mmHg at 25°C
Index of Refraction	1.661
InChIKey	VKWCOHVAHQOJGU-UHFFFAOYSA-N
SMILES	O=c1c(Cl)c(Cl)cnn1-c1ccccc1

1-Phenyl-4,5-dichloro-6-pyridazone MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UR6200000

CHEMICAL NAME :: 3(2H)-Pyridazinone, 4,5-dichloro-2-phenyl-

CAS REGISTRY NUMBER :: 1698-53-9

BEILSTEIN REFERENCE NO. :: 0175852

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C10-H6-Cl2-N2-O

MOLECULAR WEIGHT :: 241.08

WISWESSER LINE NOTATION :: T6NNVJ BR& DG EG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,869,1986 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2520 mg/kg

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

REFERENCE :: 28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,151,1972

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	2
RTECS	UR6200000
HS Code	2933990090

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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%

[Effect of 2-phenyl-4,5-dichlor-3-pyridazinone upon respiration and immunoglobulin levels (author's transl)].

Bratisl. Lek. Listy 75(3) , 315-21, (1981)

Fungicidal and genotoxic activity of new substituted pyridazinones.

Il Farmaco 48(10) , 1427-38, (1993)

Some 2-sulfonyl- and 2-acylderivatives of the 4,5-dichloro-3(2H)-pyridazinone were prepared in order to test their fungicidal activity. Interesting results, both in vitro and in vivo, were obtained in...

Synthesis and herbicidal activity of certain 1-phenyl-6-pyridazone derivatives.

Chemical Papers (Slovak Acad. Sci.) 19(5) , 403-412, (1965)

1-Phenyl-4,5-dichloro-6-pyridazone

MFCD00006470

4,5-dichloro-2-phenylpyridazin-3-one

EINECS 216-917-6

4,5-Dichloro-2-Phenyl-3(2H)-Pyridazinone

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China
Product Name: 1-Phenyl-4,5-dichloro-6-pyridazone
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1-Phenyl-4,5-dichloro-6-pyridazone
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3(2H)-Pyridazinone,4,5-dichloro-2-phenyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
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1-Phenyl-4,5-dichloro-6-pyridazone

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