Thiophanate Methyl

Description

dimethyl N,N'-[1,2-phenylenebis(iminocarbonothioyl)]bis[carbamate] · CAS 23564-05-8 · C12H14N4O4S2. UNII K4N81R84L8. Melting Point: 172 °C (decomposes); Melting Point: MP: 181.5 - 182.5 °C; Melting Point: 342 °F.

Identification

CAS Registry Number	23564-05-8
PubChem CID	3032791
Molecular formula	C12H14N4O4S2
IUPAC name	methyl N-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate
UNII (FDA)	K4N81R84L8

Computed Descriptors

Molecular Weight	342.4
XLogP3	2.6
Hydrogen Bond Donor Count	4
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	4
Exact Mass	342.04564729
Monoisotopic Mass	342.04564729
Topological Polar Surface Area	165
Heavy Atom Count	22
Formal Charge	0

Physical & Chemical Properties

Melting Point	172 °C (decomposes)
Melting Point	MP: 181.5 - 182.5 °C
Melting Point	342 °F
Vapor Pressure	0.00000007 [mmHg]
Vapor Pressure	7.13X10-8 mm Hg at 25 °C
Vapor Pressure	<0.0000001 mmHg
LogP	log Kow = 1.40
LogP	1.5
Ionization Efficiency	2.52
Ionization Efficiency	2.7

Physical description & handling notes

• Thiophanate-methyl appears as colorless crystals or light brown powder. (NTP, 1992)
• Colorless solid; [Merck Index] Colorless or light brown solid; [CAMEO] Colorless crystalline solid; [MSDSonline]
• Colorless crystals or light brown powder.
• Colorless crystals
• Colorless prisms
• Colorless crystalline solid

GHS Hazard Classification

Reported hazard statements	H317, H332, H341, H351, H400, H410, H373

Documented Uses

• Used as fungicide to control disease (vegetables, fruits, turf, and other crops) and protect wounds (fruit trees); [HSDB] Used as veterinary anthelmintic (nematodes); [Merck Index]
• Used for plant disease control in vegetables, fruits, & turf.
• For more Uses (Complete) data for THIOPHANATE METHYL (8 total), please visit the HSDB record page.
• Information on 10 consumer products that contain Dimethyl (1,2-phenylene)bis(iminocarbonothioyl)bis(carbamate) in the following categories is provided:
• Thiophanate methyl is produced by reaction of o-phenylenediamine and methoxycarbonyl isothiocyanate.
• o-Phenylenediamine + potassium thiocyanate + methyl chloroformate (addition/dehydrochlorination)

Synonyms

Thiophanate-methyl; 23564-05-8; Methylthiofanate; THIOPHANATE METHYL; Thiophanate M; Methyl topsin; Methylthiophanate; Mildothane; Neotopsin; Methyl thiophanate; Fungo; Cercobin methyl; Topsin Methyl; Caligran; Metoben; Enovit methyl

Frequently Asked Questions

What are the CAS number and molecular formula of dimethyl N,N'-[1,2-phenylenebis(iminocarbonothioyl)]bis[carbamate]?

CAS 23564-05-8; molecular formula C12H14N4O4S2; molecular weight — g/mol.

What other names is dimethyl N,N'-[1,2-phenylenebis(iminocarbonothioyl)]bis[carbamate] known by?

Thiophanate-methyl, 23564-05-8, Methylthiofanate, THIOPHANATE METHYL, Thiophanate M, Methyl topsin.

Is dimethyl N,N'-[1,2-phenylenebis(iminocarbonothioyl)]bis[carbamate] classified as hazardous?

Hazard statements reported: H317, H332, H341, H351, H400.

What are the key physical properties of dimethyl N,N'-[1,2-phenylenebis(iminocarbonothioyl)]bis[carbamate]?

Melting Point: 172 °C (decomposes); Melting Point: MP: 181.5 - 182.5 °C; Melting Point: 342 °F; Vapor Pressure: 0.00000007 [mmHg].

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.