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Chlorothalonil

Description References
Chlorothalonil
Chlorothalonil structure
CAS No.
1897-45-6
Chemical Name:
Chlorothalonil
Synonyms
Ole;TPN;TRN;Tcin;Sweep;Vanox;REACH;BRAVO;Evade;faber
CBNumber:
CB4132626
Molecular Formula:
C8Cl4N2
Formula Weight:
265.91
MOL File:
1897-45-6.mol

Chlorothalonil Properties

Melting point:
250-251°
Boiling point:
bp760 350°
Density 
d425 1.7
Flash point:
2 °C
storage temp. 
0-6°C
form 
Powder
color 
White
Merck 
14,2166
BRN 
1978326
Exposure limits
An experimental carcinogen.
InChIKey
CRQQGFGUEAVUIL-UHFFFAOYSA-N
CAS DataBase Reference
1897-45-6(CAS DataBase Reference)
NIST Chemistry Reference
Tetrachloroisophthalonitrile(1897-45-6)
EPA Substance Registry System
1,3-Benzenedicarbonitrile, 2,4,5,6-tetrachloro-(1897-45-6)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T+;N,N,T+,Xn,F
Risk Statements  26-37-40-41-43-50/53-36-20/21/22-11
Safety Statements  28-36/37/39-45-60-61-36/37-26-16
RIDADR  3276
WGK Germany  3
RTECS  NT2600000
HazardClass  6.1(a)
PackingGroup  I
HS Code  29269090
Hazardous Substances Data 1897-45-6(Hazardous Substances Data)
Toxicity LD50 orally in rats: >10.0 g/kg (Turner)
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 Wear respiratory protection.
P310 Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.

Chlorothalonil price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 36791 Chlorothalonil PESTANAL 1897-45-6 250mg $48.4 2018-11-22 Buy
Sigma-Aldrich 36981 Chlorothalonil solution 100μg/mL in acetonitrile, PESTANAL 1897-45-6 2ml $49.7 2018-11-20 Buy
TCI Chemical T0895 Tetrachloroisophthalonitrile >98.0%(GC) 1897-45-6 25g $113 2018-11-22 Buy
Cayman Chemical 24142 Chlorothalonil ≥98% 1897-45-6 250mg $45 2018-11-19 Buy
Cayman Chemical 24142 Chlorothalonil ≥98% 1897-45-6 500mg $86 2018-11-19 Buy

Chlorothalonil Chemical Properties,Uses,Production

Description

Chlorothalonil is a broad-spectrum organic fungicide mainly used to control fungi that threatens a number of agricultural crops, vegetables, trees, fruits, turf and paints, etc. It can also serves as a wood protectant, pesticide, acaricide, which is effective to kill mildew, bacteria, algae, and insects. Besides, it can commercially act as a preservative additive in several paints, resins, emulsions, coatings and can be used on commercial grasses such as golf courses and lawns.
Chlorothalonil was first registered by the EPA in 1966. It is environmentally persistent and binds strongly with soil, whose expected half-life in aerobic soils is one to three months. Chlorothalonil functions by reducing the intracellular glutathione molecules of fungal to alternate its forms which affects the essential enzymatic reactions of fungal, ultimately leading to cell death.

References

http://www.toxipedia.org/display/toxipedia/Chlorothalonil
http://pmep.cce.cornell.edu/profiles/extoxnet/carbaryl-dicrotophos/chlorothalonil-ext.html
https://en.wikipedia.org/wiki/Chlorothalonil

Chemical Properties

White Solid

Chemical Properties

Chlorothalonil is a combustible, white, odorless, crystalline solid

Uses

Chlorothalonil is a polychlorinated aromatic broad spectrum non-systematic fungicide. Chlorothalonil is used heavily in agriculture field on crops such as peanuts, potatoes and tomatoes. Chlorothaloni l is a probable human carcinogen (Group B2) and is highly toxic to fish and aquatic invertabrates.

Uses

Fungicide; bactericide; nematocide

Uses

Fungicide, bactericide, nematocide. Agricultural and horticultural fungicide.

Definition

ChEBI: A dinitrile that is benzene-1,3-dicarbonitrile substituted by four chloro groups. A non-systemic fungicide first introduced in the 1960s, it is used to control a range of diseases in a wide variety of crops.

General Description

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.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Chlorothalonil is stable in neutral or acidic aqueous media. May react violently with strong oxidizing acids [Farm Chemicals Handbook]. Incompatible with other oxidizing agents such as peroxides and epoxides. Breaks down slowly in basic aqueous media (half-life 38.1 days at pH 9. [Farm Chemicals Handbook].

Fire Hazard

Literature sources indicate that Chlorothalonil is nonflammable.

Agricultural Uses

Fungicide: Chlorothalonil is a broad-spectrum fungicide. It is used on vegetables, peanuts, potatoes, small fruits, trees, turf, roses, ornamentals, and other crops. In California, the top crops are tomatoes, onions, celery, and landscaping. It targets fungal blights, needlecasts, and cankers on conifer trees. This is the second most used fungicide in the U.S. It can be found in formulations with many other pesticides

Trade name

ATLAS CROPGARD®; BANOL C®; BB CHLOROTHALONIL®; BOMmHgDIER®; BRAVO®; BRAVO® 6 F; BRAVO® 500; BRAVO® 6 F; BRAVO ULTREX®; BRAVO-W-75®; CHILTERN OLE®; CONTACT® 75; DAC® 2787; DACONIL®; DACONIL® 2787 FUNGICIDE; DACONIL® 2787 W; DACONIL® F; DACONIL® M; DACONIL® TURF; DACOSOIL®; DIVA FUNGICIDE®[C]; ECHO®; EXOTHERM®; EXOTHERM TERMIL®; FORTURF®; FUNGINIL®; IMPACT EXCEL®; JUPITAL®; NUOCIDE®; OLE®; PILLARICH®; POWER CHLOROTHALONIL® 50; REPULSE®; RIDOMIL GOLD/BRAVO®; SICLOR®; SIPCAM® UK ROVER 5000; SWEEP®; TER-MIL®; TPN®; TPN (PESTICIDE)®; TRIPART FABER®; TRIPART ULTRAFABER®; TUFFCIDE®

Contact allergens

Chlorothalonil is a fungicide widely used in the cultivation of ornamental plants and flowers, rice, and onions. In banana plantations it is used in fumigations by airplanes. It can be used as a preservative of paints and woods. It can induce contact urticaria, irritant and allergic contact dermatitis, erythema dyschromicum perstans, or folliculitis mainly in agricultural workers, wood-related professions, or in horticulturists.

Safety Profile

Suspected carcinogen with experimental carcinogenic data. Moderately toxic by skin contact and intraperitoneal routes. Mildly toxic by ingestion. Mutation data reported. When heated to decomposition it emits very toxic fumes of Cl-, NOx, and CN-. See also NITRILES.

Potential Exposure

Chlorothalonil is a broad spectrum fungicide; used as fungicide in coatings; caulk, wood preservative, and antifouling systems. Therefore, people involved in its manufacture, formulation, and application can be exposed.

First aid

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 2030 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.

Environmental Fate

Biological. From the first-order biotic and abiotic rate constants of chlorothalonil in estuarine water and sediment/water systems, the estimated biodegradation half-lives were 8.1–10 and 1.8–5 days, respectively (Walker et al., 1988).
Soil. Metabolites identified in soil were 1,3-dicyano-4-hydroxy-2,5,6-trichlorobenzene, 1,3-dicarbamoyl-2,4,5,6-tetrachlorobenzene and 1-carbamoyl-3-cyano-4-hydroxy-2,5,6- trichlorobenzene (Rouchaud et al., 1988). The half-life was reported as 4.
Groundwater. According to the U.S. EPA (1986) chlorothalonil has a high potential to leach to groundwater
Plant. Degrades in plants to 4-hydroxy-2,5,6-trichloroisophthalonitrile (Hartley and Kidd, 1987), 1,3-dicyano-4-hydroxy-2,5,6-trichlorobenzene and 1,3-dicarbamoyl-2,4,5,6- tetrachlorobenzene (Rouchaud et al., 1988). No evidence of degradation products were reported in apple foliage 15 days after application. The half-life of chlorothalonil was 4.1 days (Gilbert, 1976)

Metabolic pathway

By in vitro incubation of 14C-chlorothalonil (CTL) with rat stomach, duodenum, and cecum contents, with dog stomach, duodenum, and colon contents, and with human feces and stomach contents, transformation of CTL mostly occurs in rat cecum contents, dog colon contents, and human feces, in which unchanged CTL accounts for 46.7, 29.7, and 22.6% of applied radioactivity, respectively. In those incubations, the identified metabolites are 2,5,6-trichloro-4- methylthioisophthalonitrile, 2,5,6-trichloro-4- thioisophthalonitrile, 3-thia-1-cyano-2,5,6- trichloroisoindolinone, 2,5,6-trichloro-4- hydroxyisophthalonitrile, and 2,5,6- trichloroisophthalonitrile. In rats, CTL is transformed to 4,6-bis(N-acetylcystein-S-yl)-2,5- dichloroisophthalonitrile.
The photolysis of CTL solutions in alcohols (ethanol and methanol separately) with exposure to UV irradiation yields 4,5,7-trichloro-6-cyano-3- methylbenzo-g -lactone and dichlorobenzo-bis-g -lactone derivatives as major degradation products in ethanol. In methanol, 4,5,7-trichloro-6-cyanobenzo-g -lactone is the only photoproduct detected.

Shipping

UN3276 Nitriles, liquid, toxic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required, Potential Inhalation Hazard (Special Provision 5). UN2588 Pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required

Incompatibilities

Contact with strong oxidizers may cause a fire and explosion hazard. Thermal decomposition may include fumes of hydrogen cyanide. Nitriles may polymerize in the presence of metals and some metal compounds. They are incompatible with acids; mixing nitriles with strong oxidizing acids can lead to extremely violent reactions. Nitriles are generally incompatible with other oxidizing agents such as peroxides and epoxides. The combination of bases and nitriles can produce hydrogen cyanide. Nitriles are hydrolyzed in both aqueous acid and base to give carboxylic acids (or salts of carboxylic acids). These reactions generate heat. Peroxides convert nitriles to amides. Nitriles can react vigorously with reducing agents. Acetonitrile and propionitrile are soluble in water, but nitriles higher than propionitrile have low aqueous solubility. They are also insoluble in aqueous acids.

Waste Disposal

Incineration in a unit operating @ 850C equipped with off-gas scrubbing equipment.

Chlorothalonil Preparation Products And Raw materials

Raw materials

Preparation Products


Chlorothalonil Suppliers

Global( 203)Suppliers
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Chlorothalonil Spectrum


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