Clomazone

Modify Date: 2025-08-23 17:15:12

Clomazone structure	Common Name	Clomazone
	CAS Number	81777-89-1	Molecular Weight	239.698
	Density	1.2±0.1 g/cm3	Boiling Point	317.6±44.0 °C at 760 mmHg
	Molecular Formula	C₁₂H₁₄ClNO₂	Melting Point	25°C
	MSDS	Chinese USA	Flash Point	145.9±28.4 °C
	Symbol	GHS07	Signal Word	Warning

Use of Clomazone

Clomazone is a broad spectrum herbicide used for control of annual grasses and broadleaf weeds in cotton, peas, pumpkins, soybeans, sweet potatoes, and tobacco[1].

Name	clomazone
Synonym	More Synonyms

Description	Clomazone is a broad spectrum herbicide used for control of annual grasses and broadleaf weeds in cotton, peas, pumpkins, soybeans, sweet potatoes, and tobacco[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Ewa Szpyrka , et al. Influence of a Commercial Biological Fungicide ContainingTrichoderma harzianum Rifai T-22 on Dissipation Kinetics and Degradation of Five Herbicides in Two Types of Soil. Molecules. 2020 Mar 18;25(6):1391.

Density	1.2±0.1 g/cm3
Boiling Point	317.6±44.0 °C at 760 mmHg
Melting Point	25°C
Molecular Formula	C₁₂H₁₄ClNO₂
Molecular Weight	239.698
Flash Point	145.9±28.4 °C
Exact Mass	239.071304
PSA	29.54000
LogP	2.17
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.551

Clomazone MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NY2977000

CHEMICAL NAME :: 3-Isoxazolidinone, 2-((2-chlorophenyl)methyl)-4,4-dimethyl-

CAS REGISTRY NUMBER :: 81777-89-1

LAST UPDATED :: 199701

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C12-H14-Cl-N-O2

MOLECULAR WEIGHT :: 239.72

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1369 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,178,1991

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4800 mg/m3/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,178,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,178,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - quail

DOSE/DURATION :: >2510 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,178,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - duck

DOSE/DURATION :: >2510 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,178,1991

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302 + H332-H315-H319
Precautionary Statements	P261-P301 + P312 + P330-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn
Risk Phrases	R20/22
Safety Phrases	S26-S36
RIDADR	2902
RTECS	NY2977000
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2934999027

3-chloro-N-(2-c...

CAS#:81777-71-1

Clomazone

CAS#:81777-89-1

Literature: US4405357 A1, ;

Precursor 1
CAS#:81777-71-1 3-chloro-N-(2-c...
DownStream 0

HS Code	2934999027
Summary	2934999027 3-isopropyl-1h-benzo[c][1,2,6]thiadiazin-4(3h)-one 2,2-dioxide。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

Natural impacted freshwaters: in situ use of alginate immobilized algae to the assessment of algal response.

Ecotoxicology 18(4) , 464-9, (2009)

The objective of this study was to investigate the feasibility of an in situ phytotoxicity test using alginate-immobilized algae for 60 days, in the assessment of water quality in an impacted small pe...

Mitigation of dimethazone residues in soil and runoff water from agricultural field.

J. Environ. Sci. Health B 46(1) , 76-83, (2011)

Dimethazone, also known as clomazone [2-[(2-chlorophenyl) methyl]- 4,4-dimethyl-3-isoxaolidinone] is a pre-emergent nonionic herbicide commonly used in agriculture. A field study was conducted on a si...

Herbicide clomazone effects on δ-aminolevulinic acid activity and metabolic parameters in Cyprinus carpio.

Bull. Environ. Contam. Toxicol. 92(4) , 393-8, (2014)

The objective of this study was to investigate δ-aminolevulinic acid (δ-ALA-D) activity and metabolic parameters of Cyprinus carpio exposed to clomazone herbicide. Fish were exposed 2.5, 5, 10 and 20 ...

2-[(2-chlorophenyl)methyl]-4,4-dimethyl-1,2-oxazolidin-3-one

gamit

Dimethazon

COMMAND,100MG,NEAT

Clomazone

MFCD00072457

2-(2-Chlorobenzyl)-4,4-dimethyl-1,2-oxazolidin-3-one

Dimethazone

fenoxan

Command

2-(2-Chlorobenzyl)-4,4-dimethyl-3-isoxazolidinone

2-[(2-Chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone

Clomazon

2-(2-chlorobenzyl)-4,4-dimethylisoxazolidin-3-one

Isooxadiazon

3-Isoxazolidinone, 2-[(2-chlorophenyl)methyl]-4,4-dimethyl-

Comazone

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China
Product Name: Clomazone
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China
Product Name: Clomazone
Price: ￥Inquiry/1g
Purity: 98.9%
Delivery: 1 Day
Contact: Tony Lai
Email: order@dcchemicals.com

DC Chemicals Limited
China
Product Name: Clomazone
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

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Price: ￥567/100mg

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Clomazone

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Clomazone Biological Activity

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MSDS

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ACUTE TOXICITY DATA

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