2,4,5-T isobutyl ester, with the CAS number 4938-72-1, is an ester derivative of the herbicide 2,4,5-trichlorophenoxyacetic acid (2,4,5-T). This compound is characterized by its structure, which includes a phenoxyacetic acid moiety with isobutyl as the ester group. It is typically a colorless to pale yellow liquid with a characteristic odor. The substance is known for its herbicidal properties, particularly in controlling broadleaf weeds in various agricultural settings. Its mode of action involves mimicking natural plant hormones, leading to uncontrolled growth and eventual plant death. However, 2,4,5-T and its derivatives have been scrutinized due to potential environmental and health concerns, particularly regarding dioxin contamination during its production. As a result, its use has been restricted or banned in several countries. Safety measures should be observed when handling this compound, as it may pose risks to human health and the environment. Proper storage and disposal practices are essential to mitigate any potential hazards associated with its use.

2,4,5-T isobutyl ester

4938-72-1: 2,4,5-T, Isobutyl ester, 2,4,5-T-isobutyl, 2,4,5-T-isobutyl [ISO], 2,4,5-Trichlorophenoxyacetic acid isobutyl ester, 2-Methylpropyl (2,4,5-Trichlorophenoxy)Acetate, Acetic acid, (2,4,5-trichlorophenoxy)-, 2-methylpropyl ester, Acetic acid, (2,4,5-trichlorophenoxy)-, isobutyl ester, Acetic acid, 2-(2,4,5-trichlorophenoxy)-, 2-methylpropyl ester, Caswell No. 881S, EPA Pesticide Chemical Code 082062, Hsdb 4495, Isobutyl 2,4,5-T,  Isobutyl 2,4,5-trichlorophenoxyacetate

Applications 2,4,5-Trichlorophenoxyacetic Acid Isobutyl Ester is a component in herbicide formulation used in the protection of crops.
 Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Noble, A. et al.: Pest. Sci., 28, 203 (1990);


CAS 4938-72-1: 2,4,5-T isobutyl ester

2,4,5-Trichlorophenoxyacetic Acid Isobutyl Ester

Ref: TR-T774445