Fluchloralin

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Chemical Identification | General Product Information | Physical & Safety Data

Chemical Identification

Common Name

Fluchloralin

中文通用名

氯乙氟灵

IUPAC

N-(2-chloroethyl)-2,6-dinitro-N-propyl-4-(trifluoromethyl)aniline
or
N-(2-chloroethyl)-α,α,α-trifluoro-2,6-dinitro-N-propyl-p-toluidine

CAS

N-(2-chloroethyl)-2,6-dinitro-N-propyl-4-(trifluoromethyl)benzenamine

CAS No.

33245-39-5

Molecular Formula

C₁₂H₁₃ClF₃N₃O₄

Molecular Structure

General Product Information

Category

Herbicides > Dinitroaniline herbicides

Activity

Herbicide

Physical & Safety Data

Physical Properties

Molecular weight:355.7; Physical form:Orange-yellow solid. Composition:Tech. grade is 97% pure. Melting point:42-43 °C; Vapour pressure:4 mPa at 20 °C; 3.3 mPa at 30 °C; 13 mPa at 40 °C; 53 mPa at 50 °C; Solubility:In water <1 mg/l (20 °C). In acetone, benzene, chloroform, diethyl ether, ethyl acetate >1000, cyclohexane 251, ethanol 177, olive oil c. 260 (all in g/ kg, 20 °C).; Stability:Decomposed by u.v. light. Stable for at least 2 years when stored in original unopened container at normal room temperatures.;

Toxicology

Oral:Acute oral LD₅₀ for rats 1550, rabbits 8000, mice 730, dogs 6400 mg/ kg. Percutaneous:Acute percutaneous LD₅₀ for rabbits >10 000 mg/kg. Mild skin and eye irritant. Inhalation: LC₅₀ (4 h) for rats 8.4 mg/l. Phytotoxicity:Beet, sorghum, spinach and oats are sensitive. ADI:0.04 mg/ kg b.w. (Bayer, proposed).

Environmental Profile

Ecotoxicology:
Bees:Not toxic to bees.Birds:Acute oral LD₅₀ for mallard ducks 13 000, bobwhite quail 7000 mg/ kg.Fish: LC₅₀ (96 h) for bluegill sunfish 0.016, rainbow trout 0.012 mg/l.

Environmental fate:
Soil:In soil, strongly adsorbed by clay colloids and organic matter, with no leaching. Dealkylation occurs to N-(2-chloroethyl)-, N-propyl-, and unsubstituted trifluoro-2,6-dinitro-p-toluidine and to cyclised products. In light, therPlant:In plants, rapidly metabolised, with some metabolites being incorporated into plant structures.

Transport Information

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