Chlorfluazuron

CAS NO.：71422-67-8
Empirical Formula: C20H9Cl3F5N3O3
Molecular Weight: 540.66
MDL number: MFCD00143948
EINECS: 242-070-7
SAFETY DATA SHEET (SDS)
Update Date: 2026-08-25 20:17:46

What is Chlorfluazuron?

The Uses of Chlorfluazuron

Chlorfluazuron is benzoyl(pyridiyloxyphenyl)urea based pesticide that acts as a chitin synthesis inhibitor. Chlorfluazuron is commonly used in agriculture as an insect growth regulator for controlling the major insect pests in crops

The Uses of Chlorfluazuron

Chlorfluazuron is used for the control of Heliothis, Spodoptera, Bemisia tabaci and other chewing insects on cotton, and Plutella and Thrips on vegetables. It is also used on fruit, potatoes, ornamentals and tea.

What are the applications of Application

Chlorfluazuron is a chitin synthesis inhibitor

Definition

ChEBI: Chlorfluazuron is a benzoylurea insecticide, an organochlorine insecticide, an organofluorine insecticide and a dichlorobenzene.

Metabolic pathway

Only limited information is available in the open literature on the metabolism of chlorfluazuron.

Degradation

Chlorfluazuron is reported to be hydrolytically stable (PM).

Properties of Chlorfluazuron

Melting point:	approximate 220℃
Density	1.5919 (estimate)
vapor pressure	<1 xl0^-5 mPa (20 °C)
storage temp.	Sealed in dry,2-8°C
solubility	Chloroform (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly)
pka	8.10 (acid)
form	neat
Water Solubility	＜0.01mg l^-1(20 °C)
BRN	8369967
CAS DataBase Reference	71422-67-8(CAS DataBase Reference)
EPA Substance Registry System	Chlorfluazuron (71422-67-8)

Safety information for Chlorfluazuron

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07 Environment GHS09
GHS Hazard Statements	H319:Serious eye damage/eye irritation H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P391:Collect spillage. Hazardous to the aquatic environment P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention.