Chlorothalonil

Name: Chlorothalonil
Brand: Vaqora Chemicals
SKU: VQ-039320

About Chlorothalonil

Chlorothalonil is a high-purity reference standard of Chlorothalonil carrying the CAS registry number 1897-45-6. The compound has the formula C8Cl4N2, corresponding to a molecular weight of 265.9 g/mol. Systematically, it is named 2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile. Alternative names: 2,4,5,6-Tetrachloro-1,3-benzenedicarbonitrile and m-Tcpn.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Laboratories use this Chlorothalonil standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Chlorothalonil in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material
Agrochemical formulations

Industries

Related to Chlorothalonil

View every impurity, metabolite and intermediate we list for Chlorothalonil.

Chlorothalonil impurities

Specifications & identifiers

Chemical identifiers
Product name	Chlorothalonil
Catalogue No.	VQ-039320
CAS Number	1897-45-6
IUPAC name	2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile
Molecular formula	C₈Cl₄N₂
Molecular weight	265.9 g/mol
Exact mass	265.8786
Grade	Reference Standard
HSN code	38229090
InChIKey	CRQQGFGUEAVUIL-UHFFFAOYSA-N
SMILES	C(#N)C1=C(C(=C(C(=C1Cl)Cl)Cl)C#N)Cl
PubChem CID	15910

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	0 / 2
TPSA	47.6 Å²
Synonyms	2,4,5,6-Tetrachloro-1,3-benzenedicarbonitrile, m-Tcpn, Nopcocide, Exotherm termil, Daconil M, 1,3-Dicyanotetrachlorobenzene, Daconil 2787, meta-TCPN, m-Tetrachlorophthalonitrile, 2,4,5,6-Tetrachloroisophthalonitrile, Tpn (pesticide), Bravo-W-75

Safety & hazard information (GHS)

Corrosive

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H318Causes serious eye damage
H330Fatal if inhaled
H335May cause respiratory irritation
H351Suspected of causing cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P261, P264 + P265, P271, P272, P273, P280, P284, P302 + P352, P304 + P340, P305 + P354 + P338, P316, P317, P318, P319, P320, P321, P333 + P317, P362 + P364, P391, 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 Chlorothalonil?

The CAS Registry Number of Chlorothalonil is 1897-45-6. It is also known as 2,4,5,6-Tetrachloro-1,3-benzenedicarbonitrile, m-Tcpn, Nopcocide.

What is the molecular formula and molecular weight of Chlorothalonil?

Chlorothalonil has the molecular formula C8Cl4N2 and a molecular weight of 265.9 g/mol. Its IUPAC name is 2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile.

What is Chlorothalonil used for?

Chlorothalonil is supplied as a characterised reference material related to Chlorothalonil. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Chlorothalonil can I order?

We supply Chlorothalonil in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chlorothalonil?

Yes. Every lot of Chlorothalonil 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 Chlorothalonil be shipped internationally?

Yes. Chlorothalonil 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.