In the dynamic world of agrochemicals, the efficiency and effectiveness of crop protection solutions are paramount. At the heart of many insecticidal formulations lies a critical intermediate: Diethyl Maleate (DEM). As a dedicated supplier of high-quality chemical intermediates, NINGBO INNO PHARMCHEM CO.,LTD. recognizes the indispensable role DEM plays, particularly in the synthesis of the widely recognized organophosphorus insecticide, Malathion.
Malathion has long been a cornerstone in pest management strategies across various agricultural sectors and public health initiatives due to its broad-spectrum efficacy and relatively low toxicity to mammals. The chemical pathway to producing Malathion relies heavily on intermediates like Diethyl Maleate, making its consistent availability and high purity essential for manufacturers. Sourcing this vital component from a reputable Diethyl Maleate manufacturer in China ensures that your production lines maintain optimal output and product quality.
Our commitment as a leading Diethyl Maleate supplier is to provide manufacturers with a product that meets stringent purity standards (≥98.0%). This ensures that the subsequent synthesis of Malathion proceeds smoothly, yielding a final product that is both effective and reliable for end-users. When you choose to buy Diethyl Maleate from us, you are investing in a robust supply chain that supports your critical production needs.
Beyond its primary use in Malathion, Diethyl Maleate also finds application in the broader chemical industry. Its versatility as a monomer in polymer synthesis, contributing to the creation of polyesters and polyacrylates, and its use in plasticizers, coatings, and adhesives, further highlight its importance. However, for those in the agrochemical sector, securing a dependable source for this intermediate is often the primary driver for engagement.
We understand the logistical and quality demands of the agrochemical industry. Therefore, we are positioned not just as a supplier, but as a strategic partner. By offering competitive pricing and ensuring timely delivery, we help our clients manage their inventory and production schedules effectively. If you are looking to purchase Diethyl Maleate for your Malathion production or other industrial applications, partnering with a knowledgeable and reliable manufacturer like NINGBO INNO PHARMCHEM CO.,LTD. is the first step towards achieving operational excellence.
Get a quote today to learn more about how our high-purity Diethyl Maleate can support your manufacturing processes and contribute to the success of your agrochemical products.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.