Description References
ChemicalBook > CAS DataBase List > Chlorimuron-ethyl

Chlorimuron-ethyl

Description References
Product Name
Chlorimuron-ethyl
CAS No.
90982-32-4
Chemical Name
Chlorimuron-ethyl
Synonyms
DARBAN;CLASSIC;HIT 25VP;DPX-F6025;Classic[R];classic 75df;Chlorimuron Et;Chlorimuron W.P.;CHLORIMURON-ETHYL;Chlorsulfuron-ethyl
CBNumber
CB5421938
Molecular Formula
C15H15ClN4O6S
Formula Weight
414.82
MOL File
90982-32-4.mol
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Chlorimuron-ethyl Property

Melting point:
180-182°C
Density 
1.4727 (rough estimate)
refractive index 
1.6100 (estimate)
storage temp. 
Inert atmosphere,2-8°C
solubility 
Freely soluble in aqueous solution
pka
3.78±0.10(Predicted)
form 
Solid
color 
White to Light Yellow
Water Solubility 
1.018mg/L(temperature not stated)
Stability:
Unstable in DMSO solution
InChIKey
NSWAMPCUPHPTTC-UHFFFAOYSA-N
CAS DataBase Reference
90982-32-4(CAS DataBase Reference)
EPA Substance Registry System
Chlorimuron-ethyl (90982-32-4)
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Safety

Hazard Codes 
Xi
Risk Statements 
36
Safety Statements 
26-36
RIDADR 
UN3077 (solid)
RTECS 
DG5095000
Hazardous Substances Data
90982-32-4(Hazardous Substances Data)
Toxicity
LD50 in male, female rats (mg/kg): 4102, 4236 orally (Claus)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H303May be harmfulif swallowed

H313May be harmful in contact with skin

H315Causes skin irritation

H319Causes serious eye irritation

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Alfa Aesar
Product number
J66605
Product name
Chlorimuron ethyl, 95%
Packaging
1g
Price
$31.1
Updated
2024/03/01
Alfa Aesar
Product number
J66605
Product name
Chlorimuron ethyl, 95%
Packaging
5g
Price
$93.1
Updated
2024/03/01
Alfa Aesar
Product number
J66605
Product name
Chlorimuron ethyl, 95%
Packaging
25g
Price
$230
Updated
2021/12/16
TRC
Product number
C371273
Product name
Chlorimuron-ethyl
Packaging
100mg
Price
$50
Updated
2021/12/16
Matrix Scientific
Product number
099400
Product name
Ethyl 2-(N-((4-chloro-6-methoxypyrimidin-2-yl)carbamoyl)sulfamoyl)benzoate
Purity
95+%
Packaging
10g
Price
$60
Updated
2021/12/16
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Chlorimuron-ethyl Chemical Properties,Usage,Production

Description

Chlorimuron-ethyl is a kind of post-emergence, foliar applied herbicide which is used without the EU regulatory approval. As an herbicide belonging to the sulfonylurea family, it is commonly used to control the weeds associated with wheat, rice, soybean, barley, potato, and corn. It has advantages of being broad-spectrum, having low use rate, having good crop selectivity as well as being of low toxicity to animals. Its mechanism of action is through suppressing the plant- and microbial-specific enzyme acetolactate synthase (ALS), further blocking the biosynthesis of branched-chain amino acids such as valine, leucine and isoleucine. Through this mechanism, it cause rapid cessation of plant cell division and growth. 

References

http://sitem.herts.ac.uk/aeru/ppdb/en/Reports/1145.htm
http://lfse.iae.ac.cn/Article/UploadFiles/201310/2013102910313432.pdf

Chemical Properties

Colorless to off white or pale yellow crystals or powder. Some formulations are listed as “flammable” in the literature. Odorless.

Uses

Chlorimuron-ethyl is used in weed control method as herbicide.

Uses

Herbicide.

Definition

ChEBI: Chlorimuron-ethyl is an ethyl ester resulting from the formal condensation of the carboxy group of chlorimuron with ethanol. A proherbicide for chloimuron, it is used as herbicide for the control of broad-leaved weeds in peanuts, soya beans, and other crops. It has a role as a proherbicide, an EC 2.2.1.6 (acetolactate synthase) inhibitor and an agrochemical. It is a sulfamoylbenzoate, a N-sulfonylurea, an aromatic ether, an ethyl ester, an organochlorine pesticide and a member of pyrimidines. It is functionally related to a chlorimuron. It is a conjugate acid of a chlorimuron-ethyl(1-).

General Description

Colorless crystals. Used as an herbicide.

Reactivity Profile

Chlorimuron-ethyl is a sulfonyl urea, and pyrimidine derivative.

Agricultural Uses

Herbicide: Used to control broadleaf weeds and annual morning glory in soybeans and peanuts. Not listed as registered for use in EU countries. Registered for use in the U.S., except California. There are more than 25 global suppliers.

Trade name

AUTHORITY®; CANOPY® (chlorimuron-ethyl + Metribuzin); CLASSIC®; CONCERT® cancelled; DPX-F6025®; GEMINI®[C]; LOROX®[C]; PREVIEW®[C]; RELIANCE®; SKERMISH®, cancelled; SYNCHRONCY®; SYNCHRONY®[C]

Potential Exposure

A sulfonylurea/pyrimidine derivative herbicide used to control broadleaf weeds and annual morning glory in soybeans and peanuts. Not listed as registered for use in EU countries. Registered for use in the United States and available from more than 25 global suppliers.

Metabolic pathway

Excised soybean seedlings rapidly metabolize 14C- chlorimuron ethyl, but common cocklebur and redroot pigweed, which are sensitive to chlorimuron ethyl, metabolize much more slowly. Two metabolites are primarily identified. By intact corn seedlings, chlorimuron ethyl undergoes biotransformation to give more metabolites and under UV light is photodegraded into smaller fragments.

Shipping

UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.

Incompatibilities

Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, nitrates.

Waste Disposal

Do not discharge into drains or sewers. Dispose of waste material as hazardous waste using a licensed disposal contractor to an approved landfill. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Incineration with effluent gas scrubbing is recommended. Containers must be disposed of properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

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Chlorimuron-ethyl Suppliers

Ravensdown Fertiliser
Tel
--
Fax
--
Email
info@ravensdown.co.nz
Country
New Zealand
ProdList
19
Advantage
58
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View Lastest Price from Chlorimuron-ethyl manufacturers

qingdao trust agri chemical co.,ltd
Product
Chlorimuron-ethyl 90982-32-4
Price
US $0.00/kg
Min. Order
1kg
Purity
99
Supply Ability
20tons
Release date
2024-07-23
Hebei Weibang Biotechnology Co., Ltd
Product
Chlorimuron-ethyl 90982-32-4
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2021-08-24
Henan Fengda Chemical Co., Ltd
Product
Chlorimuron-ethyl 90982-32-4
Price
US $6.00-0.20/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-03-28

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