Folpet

Description

N-(trichloromethylthio)phthalimide · CAS 133-07-3 · C9H4Cl3NO2S. UNII X5NFK36917. Melting Point: 177 °C; Solubility: 0.0008 mg/mL at 25 °C; Density: 1.72 at 20 °C.

Identification

CAS Registry Number	133-07-3
PubChem CID	8607
Molecular formula	C9H4Cl3NO2S
IUPAC name	2-(trichloromethylsulfanyl)isoindole-1,3-dione
UNII (FDA)	X5NFK36917

Computed Descriptors

Molecular Weight	296.6
XLogP3	2.8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	1
Exact Mass	294.902833
Monoisotopic Mass	294.902833
Topological Polar Surface Area	62.7
Heavy Atom Count	16
Formal Charge	0

Physical & Chemical Properties

Melting Point	177 °C
Solubility	0.0008 mg/mL at 25 °C
Density	1.72 at 20 °C
Vapor Pressure	0.00000016 [mmHg]
Vapor Pressure	2.1X10-2 mPa /1.57X10-7 mm Hg/ at 25 °C
LogP	log Kow = 2.85
LogP	2.85
LogP	3.11

Physical description & handling notes

• Folpet appears as white crystals. Used as a fungicide. Insoluble in water.
• Colorless or white solid; [HSDB] White solid; Technical product is off-white to tan solid; [Reference #2]
• Solid
• WHITE CRYSTALS.
• Crystals from benzene
• Light colored powder

GHS Hazard Classification

Reported hazard statements	H317, H319, H332, H351, H400, H372, H410, H330

Documented Uses

• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Applying Wood Preservatives [Category: Other]
• Broad spectrum contact fungicide that is effective against a fairly wide range of fungi that cause plant diseases. It acts by inhibiting fungal mycelial growth, but does not eradicate established fungal infection.
• Folpet is used as a foliar fungicide on grapevines, fruit trees, and vegetables ...
• Control of downy mildews, powdery mildews, leaf spot diseases, scab, excoriosis, black rot, white rot, Gleosporium rots, Botrytis, Alternaria, Phythium and Rhizoctonia spp ...
• For more Uses (Complete) data for FOLPET (7 total), please visit the HSDB record page.

Synonyms

Folpet; 133-07-3; Faltan; Orthophaltan; Phthaltan; Folpel; Folpan; Ftalan; Spolacid; Folnit; PHALTAN; Intercide TMP; Acryptan; Vinicoll; Fungitrol 11; Fungitrol

Frequently Asked Questions

What are the CAS number and molecular formula of N-(trichloromethylthio)phthalimide?

CAS 133-07-3; molecular formula C9H4Cl3NO2S; molecular weight — g/mol.

What other names is N-(trichloromethylthio)phthalimide known by?

Folpet, 133-07-3, Faltan, Orthophaltan, Phthaltan, Folpel.

Is N-(trichloromethylthio)phthalimide classified as hazardous?

Hazard statements reported: H317, H319, H332, H351, H400.

What are the key physical properties of N-(trichloromethylthio)phthalimide?

Melting Point: 177 °C; Solubility: 0.0008 mg/mL at 25 °C; Density: 1.72 at 20 °C; Vapor Pressure: 0.00000016 [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.