81777-89-1

Clomazone（CAS:81777-89-1) is an agricultural herbicide, and has been the active ingredient of products named "Command" and "Commence". The molecule consists of a 2-chlorobenzyl group bound to a N-O heterocycle called Isoxazole. It is a white solid. Clomazone（CAS:81777-89-1) was first registered by the USEPA on March 8, 1993 and was commercialized by FMC Corporation. It is used for broadleaf weed control in several crops, including soybeans, peas, maize, oilseed rape, sugar cane, cassava, pumpkins and tobacco. It may be applied pre-emergence of incorporated before planting the crop. Clomazone is relatively volatile (vapor pressure is 19.2 mPa) and vapors induce striking visual symptoms on non-target sensitive plants. Clomazone undergoes biological degradation, exhibiting a soil half life of one to four months. Clomazone（CAS:81777-89-1) suppresses the biosynthesis of chlorophyll and other plant pigments.

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Product Description

Name	2-(2-Chlorobenzyl)-4,4-dimethylisoxazolidin-3-one
Synonyms	Clomazone；2-[(2-chlorophenyl)methyl]-4,4-dimethyl-1,2-oxazolidin-3-one;2-[(2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone;dimethazone;2-(2-chlorobenzyl)-4,4-dimethyl-1,2-oxazolidin-3-one
Molecular Formula	C12H14ClNO2
Molecular Weight	239.69800
CAS Number	81777-89-1
purity	≥98%
Storage conditions	Sealed in dry,2-8°C

Product Application

Clomazone (CAS: 81777-89-1) is an agricultural herbicide, and has been the active ingredient of products named "Command" and "Commence". The molecule consists of a 2-chlorobenzyl group bound to a N-O heterocycle called Isoxazole. It is a white solid.
Clomazone (CAS: 81777-89-1) was first registered by the USEPA on March 8, 1993 and was commercialized by FMC Corporation. It is used for broadleaf weed control in several crops, including soybeans, peas, maize, oilseed rape, sugar cane, cassava, pumpkins and tobacco. It may be applied pre-emergence of incorporated before planting the crop. Clomazone (CAS: 81777-89-1) is relatively volatile (vapor pressure is 19.2 mPa) and vapors induce striking visual symptoms on non-target sensitive plants. Clomazone (CAS: 81777-89-1) undergoes biological degradation, exhibiting a soil half life of one to four months. Adsorption of the herbicide to soil solids slows degradation and volatilization. Encapsulation helps reduce volatility and therefore reduces off-target damage to sensitive plants.
Clomazone (CAS: 81777-89-1) suppresses the biosynthesis of chlorophyll and other plant pigments.

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