Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Clomazone
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Clomazone
Price: ￥1208.0/100mg
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

ShangHai DC Chemicals Co.,Ltd
China
Product Name: Clomazone
Price: ￥Inquiry/1g
Purity: 98.9%
Stocking Period: 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%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

81777-89-1

81777-89-1 structure

81777-89-1 structure

Name: Clomazone
Chemical Name: clomazone
CAS Number: 81777-89-1
Molecular Formula: C₁₂H₁₄ClNO₂
Molecular Weight: 239.698
Catalog: Chemical pesticide Insecticide Organochlorine insecticide
Create Date: 2018-06-18 20:08:22
Modify Date: 2025-08-23 17:15:12
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
Synonyms	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

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

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

81777-71-1 structure

81777-71-1

~%

81777-89-1 structure

81777-89-1

Literature: US4405357 A1, ;

Precursor 1
81777-71-1
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%

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