Question

Does castor oil polyoxyethylene ether EL-20 meet environmental requirements? Can a test report be provided?

Answer
2026-06-06 官方文档 蓖麻油聚氧乙烯醚EL-20

Castor oil polyoxyethylene ether EL-20 can support the development of environmentally friendly formulations, but it has a slight impact on aquatic organisms and is not a "completely green" product; test reports need to be obtained separately from Guoli Chemical.

Detailed Explanation

Castor oil polyoxyethylene ether EL-20 has dual characteristics in terms of environmental compliance. From a raw material perspective, it uses natural castor oil as the starting material, belonging to renewable resource-based surfactants, which has certain environmental advantages compared to fully petroleum-based products. From a product functionality perspective, EL-20, as a nonionic emulsifier, can be used in environmentally friendly pesticide formulations such as emulsion in water (EW) and microemulsion (ME), helping to reduce the amount of organic solvents in the formulation, which is an important environmental contribution in the field of pesticide formulations.

However, it should be objectively noted that according to Guoli Chemical's product safety data, EL-20 may cause slight adverse effects on aquatic organisms, and it must not be discharged into sewers, water sources, or soil during disposal. This indicates that its ecotoxicity has not been completely eliminated and cannot be simply classified as a "green and environmentally friendly product". The current database also does not provide specific test data for key environmental indicators such as biodegradability or COD\/BOD values for this product, making it impossible to make a comprehensive environmental compliance judgment.

Regarding test reports, our company's database currently does not include environmental-related test report documents for EL-20, such as RoHS, REACH, biodegradability, or VOC content. If you need to obtain official test reports (COA quality inspection report, MSDS safety data sheet, or specific environmental certification reports), it is recommended to contact Guoli Chemical's sales or technical department directly, providing your specific requirements (such as report type, testing standards, etc.). We will prepare them for you accordingly.

Environmental Parameters

Environmental IndicatorDataDescription
Raw material sourceCastor oil (natural vegetable oil)Renewable resource-based
Acute toxicity (oral)LD50 > 2000 mg\/kg (rat)Low toxicity
Impact on aquatic organismsMay cause slight adverse effectsDischarge must be controlled
Biodegradability dataNot availableNeeds actual measurement for confirmation
VOC contentNot available
REACH complianceNot availableRegistration status needs confirmation

Application Recommendations

When using EL-20 in environmentally friendly formulations, it is recommended to pay attention to the following points:

  • Environmentally friendly pesticide formulations: As an emulsifier used in emulsion in water (EW) and microemulsion (ME) formulations, EL-20 can replace organic solvents in traditional emulsifiable concentrates (EC), significantly reducing VOC emissions. This is its most important environmental application.
  • Wastewater treatment: Industrial wastewater containing EL-20 should be properly treated (e.g., biological treatment or chemical demulsification) before discharge, and must not be directly discharged into natural water bodies.
  • Environmental certification requirements: If the final product needs to pass natural\/organic certifications such as Ecocert or COSMOS, it is recommended to confirm in advance whether EL-20 is on the permitted list (PEG-based raw materials are restricted in some natural certifications).

Precautions

  • Waste disposal must be handled by qualified waste treatment agencies; discharge into sewers or water sources is strictly prohibited.
  • If official test reports (COA, MSDS, RoHS, REACH compliance statement, etc.) are needed, please contact Guoli Chemical's sales department. We will provide the corresponding documents based on your specific needs.
  • The above environmental assessment is based on the existing safety data sheet content. If your application scenario has specific environmental regulatory requirements (such as EU REACH, China's new chemical substance registration, etc.), it is recommended to confirm the compliance status of this product in the target market with us before purchasing.