Chlorimuron-ethyl

Description

Chlorimuron-ethyl · CAS 90982-32-4 · C15H15ClN4O6S. UNII B00AW0IM5Q. Melting Point: 181 °C; Solubility: In water, 1.20X10+3 mg/L at 25 °C, pH 7; Density: 1.51 at 25 °C.

Identification

CAS Registry Number	90982-32-4
PubChem CID	56160
Molecular formula	C15H15ClN4O6S
IUPAC name	ethyl 2-[(4-chloro-6-methoxypyrimidin-2-yl)carbamoylsulfamoyl]benzoate
UNII (FDA)	B00AW0IM5Q

Computed Descriptors

Molecular Weight	414.8
XLogP3	2.7
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	8
Rotatable Bond Count	7
Exact Mass	414.0400831
Monoisotopic Mass	414.0400831
Topological Polar Surface Area	145
Heavy Atom Count	27
Formal Charge	0

Physical & Chemical Properties

Melting Point	181 °C
Solubility	In water, 1.20X10+3 mg/L at 25 °C, pH 7
Density	1.51 at 25 °C
Vapor Pressure	4.0X10-12 mm Hg at 25 °C
LogP	log Kow = 2.50
LogP	1.36
Dissociation Constants	pKa = 4.20

Physical description & handling notes

• Chlorimuron ethyl appears as colorless crystals. Used as an herbicide.
• Colorless or white solid; [HSDB]
• Crystals from butyl chloride
• White solid
• Colorless crystals
• Low solubility in organic solvents.

GHS Hazard Classification

Reported hazard statements	H332 (44.2%), H373 (15.1%), H400 (51.2%), H410 (51.2%)

Documented Uses

• Used as sulfonylurea herbicide to control weeds in soybeans and peanuts; [Reference #1]
• Chlorimuron-ethyl is a sulfonylurea class herbicide with registered food/feed uses in the U.S. on soybeans and peanuts.
• Herbicide; Selective postemergence annual broadleaf, yellow nutsedge weed control in peanuts and soybeans.
• For more Uses (Complete) data for CHLORIMURON-ETHYL (6 total), please visit the HSDB record page.
• May be applied ... by band treatment, broadcast, ground spray, low volume spray, or soil incorporated treatment at the current maximum application rate of 0.0825 lbs active ingredient per acre (per crop cycle)(soybean); by band treatment, broadcast, or low volume spray at the current maximum application rate of 0.0078125 lbs active ingredient per acre (per crop cycle) (peanut); by broadcast at the current maximum application rate of 0.03125 lbs active ingredient per acre (non-crop land at foliar stage)
• Selective sulfonylurea herbicide

Synonyms

CHLORIMURON-ETHYL; Chlorimuron ethyl; 90982-32-4; Classic; Chlorimuron ethyl ester; DTXSID0023955; B00AW0IM5Q; DTXCID603955; 2-[[[[(4-CHLORO-6-METHOXY-2-PYRIMIDINYL)AMINO]CARBONYL]AMINO]SULFONYL]BENZOIC ACID ETHYL ESTER; CHEBI:47319; ethyl 2-[(4-chloro-6-methoxy-pyrimidin-2-yl)carbamoylsulfamoyl]benzoate; 2-(((((4-Chloro-6-methoxy-2-pyrimidinyl)amino)carbonyl)amino)sulfonyl)benzoic acid ethyl ester; Ethyl 2-(((((4-chloro-6-methoxy-2-pyrimidinyl)amino)carbonyl)amino)sulfonyl)benzoate; ethyl 2-[[[[(4-chloro-6-methoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benzoate; ethyl 2-((4-chloro-6-methoxy-pyrimidin-2-yl)carbamoylsulfamoyl)benzoate; RefChem:125324

Frequently Asked Questions

What are the CAS number and molecular formula of Chlorimuron-ethyl?

CAS 90982-32-4; molecular formula C15H15ClN4O6S; molecular weight — g/mol.

What other names is Chlorimuron-ethyl known by?

CHLORIMURON-ETHYL, Chlorimuron ethyl, 90982-32-4, Classic, Chlorimuron ethyl ester, DTXSID0023955.

Is Chlorimuron-ethyl classified as hazardous?

Hazard statements reported: H332, H373, H400, H410.

What are the key physical properties of Chlorimuron-ethyl?

Melting Point: 181 °C; Solubility: In water, 1.20X10+3 mg/L at 25 °C, pH 7; Density: 1.51 at 25 °C; Vapor Pressure: 4.0X10-12 mm Hg at 25 °C.

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.