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Product FOB Price Min.Order Supply Ability Supplier
Cas No: 81777-89-1
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
High quality Clomazone supplier in China
Cas No: 81777-89-1
No Data 1 Kilogram 30 Metric Ton/Month Simagchem Corporation Contact Supplier
Cas No: 81777-89-1
No Data 1 Metric Ton 1000 Metric Ton/Year Hefei TNJ chemical industry co.,ltd Contact Supplier
Cas No: 81777-89-1
No Data 1 Kilogram 20 Metric Ton/Month Henan Allgreen Chemical Co.,Ltd Contact Supplier
Factory Supply Clomazone
Cas No: 81777-89-1
No Data 1 1 Ality Chemical Corporation Contact Supplier
huge stock TC Insecticide Clomazone 81777-89-1 GLP Manufacturer
Cas No: 81777-89-1
USD $ 0.1-0.1 / Gram 1 Gram 100 Metric Ton/Year Xi'an Xszo Chem Co., Ltd. Contact Supplier
Cas No: 81777-89-1
No Data 1 Metric Ton 1 million Metric Ton/Year COLORCOM LTD. Contact Supplier
Cas No: 81777-89-1
USD $ 1.0-1.0 / Kilogram 1 Kilogram 2000 Metric Ton/Year Henan Sinotech Import&Export Corporation Contact Supplier
Clomazone with Herbicide 99% Purity CAS 81777-89-1
Cas No: 81777-89-1
USD $ 1.0-10.0 / Kilogram 1 Kilogram 400 Metric Ton/Week Hebei Nengqian Chemical Import and Export Co., LTD Contact Supplier
Factory direct supply CAS 81777-89-1 with best quality
Cas No: 81777-89-1
USD $ 139.0-210.0 / Kilogram 1 Kilogram 1000 Kilogram/Day Zhuozhou Wenxi import and Export Co., Ltd Contact Supplier

81777-89-1 Usage


The molecular target site of clomazone has recently been determined. With clomazone, carotenoid synthesis is inhibited, but no intermediates in the carotenoidcommitted portion of the pathway accumulate (5,6). Synthesis of the derivatives of GGPP (gibberellic acid, phytol, carotenoids) is inhibited by clomazone (5–8). However, the synthesis of certain sesquiterpenoids and triterpenoids is not inhibited (9). Until recently, there was no credible report of the effect of clomazone on any enzyme of the terpenoid pathway (10–12). This was due to the fact that clomazone is a proherbicide and that the proper enzyme had not been tested.

Chemical Properties

Depending purity, it may be clear and colorless to pale yellow or brownish liquid. Commercially available as emulsifiable concentrates that can be dissolved in water




ChEBI: A oxazolidinone that is 1,2-oxazolidin-3-one substituted by a 2-chlorobenzyl group at position 2 and two methyl groups at position 4.


Moderately toxic by ingestion, inhalation, and skin contact. A reproductive hazard.

Agricultural Uses

Herbicide: Clomazone is a broad-spectrum herbicide used on rice, peas, pumpkins, soybeans, sweet potatoes, winter squash, cotton, tobacco and fallow wheat fields to control annual grasses and broadleaf weeds.

Trade name


Potential Exposure

Clomazone is a oxazolidione broadspectrum herbicide used on rice, peas, pumpkins, soybeans, sweet potatoes, winter squash, cotton, tobacco, and fallow wheat fields to control annual grasses and broadleaf weeds.

Metabolic pathway

By the preparative incubation of clomazone with microorganisms that have the ability to metabolize clomazone, the metabolites are identified via major biotransformation reactions which involve hydroxylation at the 5-methylene carbon and one of the 3-methyl groups of the isoxazolidone ring and at the 3 0 -position of the phenyl ring. Minor metabolic routes include dihydroxylation on the phenyl ring, cleavage of the isoxazolinone ring, or complete removal of the isoxazolinone ring to form 2-chlorobenzyl alcohol. Under aerobic conditions of soils, degradation of clomazone proceeds primarily by CO2 evolution and the formation of bound soil residues. In flooded soils, clomazone is found rapidly to degrade via the formation of the reductive product N-[(2-chlorophenyl)methyl]-3-hydroxy-2,2- dimethylpropionamide. In tolerant soybean cell suspension cultures, the only metabolite identified is b-glycosyl-2-chlorobenzyl alcohol.


UN2902 Pesticide, liquid, toxic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.


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.

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. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. 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.

Check Digit Verification of cas no

The CAS Registry Mumber 81777-89-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,7 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81777-89:
171 % 10 = 1
So 81777-89-1 is a valid CAS Registry Number.



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017


1.1 GHS Product identifier

Product name clomazone

1.2 Other means of identification

Product number -
Other names 2-[(2-chlorophenyl)methyl]-4,4-dimethyl-1,2-oxazolidin-3-one

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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