Folpet
- Product Name
- Folpet
- CAS No.
- 133-07-3
- Chemical Name
- Folpet
- Synonyms
- FOLPAN;n-((trichloromethyl)thio)-phthalimid;Folpel;folpe;Ftalan;Folpex;folnit;ENOFOL;FOLPET;FOLDAN
- CBNumber
- CB7377839
- Molecular Formula
- C9H4Cl3NO2S
- Formula Weight
- 296.56
- MOL File
- 133-07-3.mol
Folpet Property
- Melting point:
- 177-180°C
- Boiling point:
- 333.8±52.0 °C(Predicted)
- Density
- 1.5097 (rough estimate)
- vapor pressure
- 2.1 x 10-5 Pa (25 °C)
- refractive index
- 1.6000 (estimate)
- storage temp.
- 0-6°C
- solubility
- Chloroform (Slightly), Methanol (Slightly)
- pka
- -3.34±0.20(Predicted)
- form
- Solid
- color
- Crystals
- Water Solubility
- practically insoluble
- Merck
- 13,4250
- BRN
- 193373
- LogP
- 2.850
- CAS DataBase Reference
- 133-07-3(CAS DataBase Reference)
- NIST Chemistry Reference
- Folpet(133-07-3)
- EPA Substance Registry System
- Folpet (133-07-3)
Safety
- Hazard Codes
- Xn,N
- Risk Statements
- 20-36-40-43-50
- Safety Statements
- 36/37-46-61
- RIDADR
- UN 3077 9/PG 3
- WGK Germany
- 2
- RTECS
- TI5685000
- HazardClass
- 9
- PackingGroup
- III
- HS Code
- 29309090
- Hazardous Substances Data
- 133-07-3(Hazardous Substances Data)
- Toxicity
- LD50 orally in adult male, female rats: >5000 mg/kg (Gaines, Linder)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H332Harmful if inhaled
H351Suspected of causing cancer
H400Very toxic to aquatic life
- Precautionary statements
-
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313IF exposed or concerned: Get medical advice/attention.
N-Bromosuccinimide Price
- Product number
- 32057
- Product name
- Folpet
- Purity
- PESTANAL
- Packaging
- 250mg
- Price
- $28.3
- Updated
- 2024/03/01
- Product number
- F402000
- Product name
- Folpet
- Packaging
- 5g
- Price
- $155
- Updated
- 2021/12/16
- Product number
- F402000
- Product name
- Folpet
- Packaging
- 10g
- Price
- $230
- Updated
- 2021/12/16
- Product number
- PST0000097
- Product name
- FOLPET
- Purity
- 95.00%
- Packaging
- 2.5G
- Price
- $836
- Updated
- 2021/12/16
- Product number
- PST0000097
- Product name
- FOLPET
- Purity
- 95.00%
- Packaging
- 25G
- Price
- $2055.9
- Updated
- 2021/12/16
Folpet Chemical Properties,Usage,Production
Description
Folpet is practically insoluble in water. It is a protective leaf fungicide. Its mode of action inhibits normal cell division of a broad spectrum of microorganisms. It is used to control cherry leaf spot, rose mildew, rose black spot, and apple scab. It is used on berries, flowers, ornamentals, fruits, and vegetables and for seedand plant-bed treatment. It is also used as a fungicide in paints and plastics and for treatment of internal and external structural surfaces of buildings. It is incompatible with strongly alkaline preparations, such as lime sulphur.
Chemical Properties
Off-White to Pale Yellow Solid
Uses
Folpet is used to control downy mildews, powdery mildews, leaf spot diseases, scab and rots in fruit, ornamentals and vegetables.
Uses
Folpet is a pesticide, fungicide agent from the thiophtalimide group. Occupational exposure occurs mostly in agricultural workers or in florists.
Uses
Agricultural fungicide.
Definition
ChEBI: A member of the class of phthalimides that is phthalimide in which the hydrogen attached to the nitrogen is replaced by a trichloromethylthio group. An agricultural fungicide, it has been used to control mildew, leaf spot, and other diseases in crops sice he 1950s.
General Description
White crystals. Used as a fungicide. Insoluble in water.
Air & Water Reactions
Insoluble in water. Hydrolyzed in alkaline solution. Hydrolysis products are corrosive to many metals.
Reactivity Profile
A halogenated phthalimide.
Contact allergens
Folpet is a pesticide, fungicide agent of thiophthalim ide group. Occupational exposure occurs mostly in agricultural workers or in florists. Photosensitivity has been reported.
Safety Profile
Moderately toxic by ingestion. Questionable carcinogen with experimental tumorigenic and teratogenic data. Experimental reproductive effects. Human mutation data reported. When heated to decomposition it emits very toxic fumes of Cl-, NOx, and SOx. Used as a fungicide.
Carcinogenicity
An NCI bioassay of technicalgrade
captan was conducted to determine carcinogenicity by
administering captan in the feed to Osborne–Mendel rats and
B6C3F1 mice. The major outcome was that tumors of the
duodenum of B6C3F1 mice were associated with the captan
treatment. There was no evidence that the tumors observed in
Osborne–Mendel rats were treatment-related.
In the NCI study, groups of 50 rats of each sex were fed
average doses of 2520 or 6050 ppm captan in the diet for
80 weeks. Groups of 50 mice of each sex were fed 8000 or
16,000 ppm captan in the diet for 80 weeks. These doses are
approximately 250 (male) and 450 (female) mg/kg/day (high
dose) and 50 (male) to 100 (female) mg/kg/day (low dose) in
rats. In mice, these doses are approximately 2100 mg/kg/day
(high dose) and 1000 mg/kg/day (low dose).
Environmental Fate
Folpet rapidly degrades in both aquatic and terrestrial environments, with a reported half-life ranging from 2.6 h to 2 days. The dissipation of folpet in the environment is considered to be dependent on its hydrolysis in water and on microbial-mediated degradation. Its rate of hydrolysis is greatly influenced by pH, with more rapid hydrolysis observed at higher, more alkaline pH levels.
Metabolic pathway
Folpet contains an unstable trichloromethylthio (sulfenyl) moiety that has been shown to undergo rapid hydrolytic and metabolic degradation to phthalimide (2). By analogy with captan, presumably the trichloromethylthio moiety can be transferred to the sulfur atoms of thiols such as cysteine and glutathione. Thus in the presence of thiols such as glutathione, folpet is probably cleaved at the N-S bond to form thiophosgene (3) and other gaseous products such as hydrogen sulfide, hydrogen chloride and carbonyl sulfide. Thiophosgene (3) is rapidly hydrolysed by water. The trichloromethylthio group and thiophosgene are believed to be intermediates in the formation of thiazolidine-2-thione-4-carboxylica cid (4) which is an addition product with cysteine. A thiazolidine derivative of glutathione may also be formed (5). Folpet is metabolised in plants and animals to phthalimide (2) and further to phthalamic acid (6) and phthalic acid (7) (see Scheme 1).
Degradation
Folpet is hydrolysed rapidly in strongly alkaline conditions (PM). The
hydrolytic DT50 of folpet is 1.1 hours at pH 7. The half-life for hydrolysis
of folpet in a commercial formulation was 12 hours at pH 7.35. Folpet
was decomposed in dilute, aqueous sulfuric acid with a half-life 10.5
hours at pH 3. The products were mainly phthalimide (2) and small
amounts of phthalamic acid (6) and phthalic acid (7). Phthalamic acid (6)
had completely degraded by the time all of the folpet had decomposed
(Cabras et al., 1997).
Folpet reacts with thiols in two steps. Firstly, phthalimide (2), thiophosgene
(3), hydrochloric acid and the corresponding disulfide are
produced. Secondly, depending on the thiol, thiophosgene (3) can react
with any remaining thiols to give trithiocarbonates, thiurams, etc. In
some cases as, for example, with L-cysteine, thiophosgene (3) combines
with amino and thiol groups of the reactant yielding the cyclic 2-
thiazolidinethiones (4) (Davidek and Seifert, 1975). Folpet reacts with
reduced glutathione (GSH) to produce mainly oxidised glutathione
(GSSG). Five unidentified products contained all or a portion of the
trichloromethyl moiety. Gaseous products including carbonyl sulfide
were released (Siegel, 1970).
Toxicity evaluation
Both folpet and its reactive metabolite, thiophosgene, interact with thiol groups and denature proteins. This reaction is responsible for its fungicidal/biocidal activity and its cellular toxicity in mammals. Due to the toxicokinetics of this degradation, folpet toxicity in mammals is generally limited to local irritation effects at the site of contact.
Folpet Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Folpet manufacturers
- Product
- Folpet 133-07-3
- Price
- US $10.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 20ton
- Release date
- 2024-04-22
- Product
- Folpet 133-07-3
- Price
- US $20.00-10.00/kg
- Min. Order
- 1kg
- Purity
- 0.99
- Supply Ability
- 10 tons
- Release date
- 2023-10-16
- Product
- Folpet 133-07-3
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 500000kg
- Release date
- 2024-10-24