Why Is N-(1-Ethylpropyl)-3,4-Dimethylaniline Significant in Agrochemical Manufacturing?

2025-08-12 09:21

Technical Introduction

N-(1-Ethylpropyl)-3,4-Dimethylaniline is an aromatic amine derivative with a substituted aniline backbone.
The 3,4-dimethyl substitution on the benzene ring increases lipophilicity and modifies electronic properties, while the N-(1-ethylpropyl) side chain influences steric factors and solubility.
This combination of structural features makes the compound an important intermediate in the synthesis of selective herbicides and other agrochemical agents.
Typically, it appears as a pale yellow to light brown liquid with moderate viscosity and a distinct amine odor.


Applications

1. Herbicide Intermediate

  • Widely used in the production of acetanilide-type herbicides such as acetochlor and related compounds.

  • Plays a key role in weed control formulations targeting grasses and broadleaf weeds.

2. Agrochemical Formulation Development

  • Serves as a structural building block for other nitrogen-containing agrochemicals.

  • Allows modification of soil persistence and selectivity profiles.

3. Industrial Organic Synthesis

  • Used as an intermediate in the production of specialty chemicals where aromatic amines are required.


Advantages

  • High Yield in Downstream Reactions: Compatible with common agrochemical synthesis steps.

  • Good Stability: Resistant to degradation under standard transport and storage conditions.

  • Versatile Reactivity: Can undergo acylation, alkylation, and other functional transformations.

  • Proven Industrial Use: Already adopted in large-scale agrochemical production.


Typical Parameters

PropertyValue
Molecular FormulaC₁₃H₂₁N
Molecular Weight191.32 g/mol
AppearancePale yellow to brown liquid
Purity (%)≥98.0
Boiling Point (°C)~295
Density (g/cm³)~0.93
SolubilityInsoluble in water; soluble in organic solvents
StorageStore in a cool, dry, well-ventilated area
Shelf Life24 months (sealed)

FAQs

Q1: Is N-(1-Ethylpropyl)-3,4-Dimethylaniline hazardous?
A1: It can cause irritation to skin and eyes; PPE is recommended during handling.

Q2: Can it be stored at ambient temperature?
A2: Yes, as long as it is sealed and away from direct sunlight or heat sources.

Q3: What is its primary industrial application?
A3: As a key intermediate in herbicide manufacturing.

Q4: Why the 3,4-dimethyl substitution?
A4: It modifies the electron density of the aromatic ring, improving selectivity and effectiveness in final herbicide molecules.

Q5: Is it regulated for transport?
A5: Usually not classified as highly hazardous, but shipping follows standard chemical safety guidelines.

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