百菌清

Description

Chlorothalonil · CAS 1897-45-6 · C8Cl4N2. UNII J718M71A7A. Boiling Point: 662 °F at 760 mmHg (NTP, 1992); Boiling Point: 350 °C; Boiling Point: 350 °C @760 [mm Hg].

Identification

CAS Registry Number	1897-45-6
PubChem CID	15910
Molecular formula	C8Cl4N2
IUPAC name	2,4,5,6-tetrachlorobenzene-1,3-dicarbonitrile
UNII (FDA)	J718M71A7A

Computed Descriptors

Molecular Weight	265.9
XLogP3	2.9
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	265.878609
Monoisotopic Mass	263.881559
Topological Polar Surface Area	47.6
Heavy Atom Count	14
Formal Charge	0

Physical & Chemical Properties

Boiling Point	662 °F at 760 mmHg (NTP, 1992)
Boiling Point	350 °C
Boiling Point	350 °C @760 [mm Hg]
Melting Point	482 to 484 °F (NTP, 1992)
Melting Point	252.1 °C
Melting Point	250-251 °C
Solubility	In water, 0.81 mg/L at 25 °C
Density	1.732 at 20 °C
Density	2.8 @25 °C
Vapor Pressure	0.00000057 [mmHg]

Physical description & handling notes

• Chlorothalonil appears as colorless crystals or granules or light gray powder. Melting point 250-251 °C. No odor when pure; technical grade has a slightly pungent odor. A fungicide formulated as water-dispersible granules, wettable powder, or dust.
• Colorless or white odorless solid; [HSDB] White solid; Formulated in the form of dust, granular, wettable powder, dry flowable, flowable concentrate, impregnated material, and ready-to-use; [Reference #2]
• ODOURLESS COLOURLESS CRYSTALS.
• Colorless crystals
• WHITE CRYSTALLINE SOLID
• Odorless in pure form

GHS Hazard Classification

Reported hazard statements	H317, H318, H330, H335, H351, H400, H410, H319

Documented Uses

• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Working with Glues and Adhesives [Category: Other]
• Applying Wood Preservatives [Category: Other]
• Fungicide, wood protectant, antimold and antimildew agent, bactericide, microbiocide, algaecide, insecticide, and acaricide.
• Fungicide on a variety of vegetable crops, peanuts, lawns & turfs
• Fungicide, bactericide, nematocide. Agricultural and horticultural fungicide.

Synonyms

CHLOROTHALONIL; 1897-45-6; Tetrachloroisophthalonitrile; Daconil; Bravo; m-Tcpn; Nopcocide; Dacosoil; Forturf; Termil; Sweep; Exotherm termil; Daconil M; 1,3-Dicyanotetrachlorobenzene; Daconil 2787; meta-TCPN

Frequently Asked Questions

What are the CAS number and molecular formula of Chlorothalonil?

CAS 1897-45-6; molecular formula C8Cl4N2; molecular weight — g/mol.

What other names is Chlorothalonil known by?

CHLOROTHALONIL, 1897-45-6, Tetrachloroisophthalonitrile, Daconil, Bravo, m-Tcpn.

Is Chlorothalonil classified as hazardous?

Hazard statements reported: H317, H318, H330, H335, H351.

What are the key physical properties of Chlorothalonil?

Boiling Point: 662 °F at 760 mmHg (NTP, 1992); Boiling Point: 350 °C; Boiling Point: 350 °C @760 [mm Hg]; Melting Point: 482 to 484 °F (NTP, 1992).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.