Mesotrione

Favorites

Chemical Identification | General Product Information | Physical & Safety Data

Chemical Identification

Common Name

Mesotrione

中文通用名

硝磺草酮

IUPAC

2-(4-mesyl-2-nitrobenzoyl)cyclohexane-1,3-dione

CAS

2-[4-(methylsulfonyl)-2-nitrobenzoyl]-1,3-cyclohexanedione

CAS No.

104206-82-8

Molecular Formula

C₁₄H₁₃NO₇S

Molecular Structure

General Product Information

Category

Herbicides > Benzoylcyclohexanedione herbicides

Activity

Herbicide

Premix

Atrazine+mesotrione
Atrazine+mesotrione+S-metolachlor
Rimsulfuron+chlorimuron-ethyl+mesotrione
Mesotrione+glyphosate
Mesotrione+pretilachlor
Atrazine Bicyclopyrone Mesotrione S-metolachlor
fluthiacet-methyl+mesotrione
Nicosulfuron+Atrazine+Mesotrione
acetochlor+mesotrione+clopyralid
Mesotrione+Bromoxynil octanoate+Atrazine
Rimsulfuron+Mesotrione+Fluroxypyr-meptyl
Premix Parters: azoxystrobin; azoxystrobin fludioxonil; azoxystrobin fludioxonil thiamethoxam; chloroneb; chlorothalonil; copper hydroxide; difenoconazole; difenoconazole fludioxonil; difenoconazole fludioxonil thiamethoxam; fludioxonil; fludioxonil thiamethoxam; folpet; mancozeb; PCNB; thiamethoxam;

Physical & Safety Data

Physical Properties

Molecular weight:339.3; Melting point:165 °C; Vapour pressure:5.69 × 10-3 mPa (20 °C).; pKa:3.12; Solubility:In water 2.2 (pH 4.8), 15 ( pH 6.9), 22 ( pH 9) (all in g/l, 20 °C).; Stability:Stable to hydrolysis ( pH 4 - 9).;

Toxicology

(Rat): Oral LD₅₀ >5000 mg/kg. Dermal LD₅₀ >2000 mg/kg. Inhalation LC₅₀ >5 mg/l

Environmental Profile

Ecotoxicology:
Birds:Acute oral LD₅₀ for bobwhite quail >2000, mallard ducks >5200 mg/ kg.Fish: LC₅₀ (96 h) for bluegill sunfish and rainbow trout >120 mg/l.

Environmental fate:
Soil:Stable to hydrolysis under sterile conditions at pH 5-9, with <10% degradation after 30 d (25 °C). Aqueous photolysis DT₅₀ (sterile) 84 d. ADSORPTION: Not persistent in soil. Stable in water. Moderately mobility in soil. WATER SOLUBILITY: 160 mg/l at 20°C (99.7% pure).

Transport Information

Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)