176842

Sigma-Aldrich

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

≥99%

Empirical Formula (Hill Notation):
C10H6Cl2N2O
CAS Number:
Molecular Weight:
241.07
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22
Pricing and availability is not currently available.

Quality Level

assay

≥99%

mp

164-166 °C (lit.)

SMILES string

ClC1=C(Cl)C(=O)N(N=C1)c2ccccc2

InChI

1S/C10H6Cl2N2O/c11-8-6-13-14(10(15)9(8)12)7-4-2-1-3-5-7/h1-6H

InChI key

VKWCOHVAHQOJGU-UHFFFAOYSA-N

Application

1-Phenyl-4,5-dichloro-6-pyridazone was used in the preparation of 1-phenyl-4-hydroxy-5-chloro-6-pyridazone.
The product can be used as a titrimetric reagent for thiols.

Packaging

5 g in glass bottle

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

M L Carmellino et al.
Farmaco (Societa chimica italiana : 1989), 48(10), 1427-1438 (1993-10-01)
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 particular from the alkylsulfonyl-derivatives. Genotoxic activity of 3(2H)-pyridazinones was evaluated in vitro by...
[Effect of 2-phenyl-4,5-dichlor-3-pyridazinone upon respiration and immunoglobulin levels (author's transl)].
E Malík et al.
Bratislavske lekarske listy, 75(3), 315-321 (1981-03-01)
Synthesis and herbicidal activity of certain 1-phenyl-6-pyridazone derivatives.
Chemical Papers, 19(5), 403-412 (1965)

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