4,5-Dichloro-6-pyridazone

Name: 4,5-Dichloro-6-pyridazone
Brand: Vaqora Chemicals
SKU: VQ-049476

About 4,5-Dichloro-6-pyridazone

Vaqora Chemicals supplies 4,5-Dichloro-6-pyridazone, a diazine derivative registered under CAS number 932-22-9. Formula C4H2Cl2N2O, molecular weight 164.97 g/mol. The IUPAC name is 4,5-dichloro-1H-pyridazin-6-one. Alternative names: 4,5-Dichloro-3-hydroxypyridazine and 4,5-Dichloro-3(2H)-pyridazinone.

Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 4,5-Dichloro-6-pyridazone in 100 mg, 250 mg, 1 g and 5 g packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	4,5-Dichloro-6-pyridazone
Catalogue No.	VQ-049476
CAS Number	932-22-9
IUPAC name	4,5-dichloro-1H-pyridazin-6-one
Molecular formula	C₄H₂Cl₂N₂O
Molecular weight	164.97 g/mol
Exact mass	163.9544
HSN code	2933
InChIKey	VJWXIRQLLGYIDI-UHFFFAOYSA-N
SMILES	C1=NNC(=O)C(=C1Cl)Cl
PubChem CID	73247

Physical properties
Physical form	Other
LogP (XLogP3)	1
H-bond donors / acceptors	1 / 2
TPSA	41.5 Å²
Synonyms	4,5-Dichloro-3-hydroxypyridazine, 4,5-Dichloro-3(2H)-pyridazinone, 4,5-Dichloropyridazin-3(2H)-one, 3(2H)-Pyridazinone, 4,5-dichloro-, 4,5-dichloropyridazin-3-ol, 4,5-dichloro-2H-pyridazin-3-one, 4,5-dichloro-2,3-dihydropyridazin-3-one, 4,5-Dichloro-pyridazin-3-ol, 4,5-Dichloro-3-pyridazinol, Dichlorhydroxypyridazin, 4,5-dichloropyridazinone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4,5-Dichloro-6-pyridazone?

The CAS Registry Number of 4,5-Dichloro-6-pyridazone is 932-22-9. It is also known as 4,5-Dichloro-3-hydroxypyridazine, 4,5-Dichloro-3(2H)-pyridazinone, 4,5-Dichloropyridazin-3(2H)-one.

What is the molecular formula and molecular weight of 4,5-Dichloro-6-pyridazone?

4,5-Dichloro-6-pyridazone has the molecular formula C4H2Cl2N2O and a molecular weight of 164.97 g/mol. Its IUPAC name is 4,5-dichloro-1H-pyridazin-6-one.

Which grade and pack sizes of 4,5-Dichloro-6-pyridazone can I order?

We supply 4,5-Dichloro-6-pyridazone, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4,5-Dichloro-6-pyridazone?

Yes. Every lot of 4,5-Dichloro-6-pyridazone is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4,5-Dichloro-6-pyridazone be shipped internationally?

Yes. 4,5-Dichloro-6-pyridazone is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.