Jul. 28, 2025
Agriculture
EDDHA is a chelate that protects Iron against precipitation up to a pH of 9. The stability constant of the Iperen Iron-EDDHA depends on the isomer composition. The higher the percentage of ortho-ortho in comparison to ortho-para or para-para , the higherthe availability of Iron is.
Within the Iperen EDDHA range of products, the ortho-ortho percentages differ. Our top grade quality contains an ortho-ortho content of 4.8%. The figures mentioned are guaranteed figures, not typical. Iperen Iron-EDDHA products are microgranulated, dust free products.
HBED is a chelate that protects Iron against precipitation up to a pH of 12. HBED is a concentrated product. HBED is less sensitive for UV-radiation and keeps Iron available for the plant also under extremesunny conditions. HBED has a limited affinity to Copper. Therefore Iron is hardly exchanged in the chelate by Copper when Iron-HBED is applied. Another explanation of the long lasting effect of an Iron-HBED application.
This long lasting effect makes Iron-HBED the ideal product for fertigation in open field with alkaline soil conditions.
The HBED chelating agent has limited effect on the performance of a UV-sterilizer which makes it also a perfect product for high-tech soilless systems with recirculation.
The range of Oligo Iron-HBED products is developed to overcome and cure Iron deficiencies via fertigation or soil injection in alkaline conditions and in high-tech soilless systems. If you are looking for the best product to overcome or cure Iron deficiency in alkaline conditions, the Iperen Iron-HBED range is your choice!
EDTA is a chelate that protects Iron against precipitation up to a pH of 6.0. The stability constant of EDTA is moderate. The products in the Iperen EDTA product range are microgranulated with a unique and patented process. The process guarantees a raspberry-shaped, uniform and dust free microgranule. This structure increases the contact surface with water while diluting. The result is a highly soluble product.
In addition to single-element EDTA chelated Micronutrients in soluble form, Van Iperen offers physical mixes (blends) and compounds (chemical mixes).
The blends of the EDTA chelated Micronutrients are homogeneous due to the uniform raspberry-shaped structure of the individual products. This makes the Iperen EDTA blends ideal as a raw material in WS NPK’s for fertigation and foliar application.Additionally Van Iperen also offers liquid single-element EDTA chelated Micronutrients or liquid mixes.
IDHA is a chelate that protects Iron against precipitation up to a pH of 6.0.The stability constant of IDHA is moderate. IDHA is also friendly for the environment, it is fully biodegradable according to the OECD regulations (OECD 301E 78% after 28 days | OECD 302B 89% after 28 days).
The products in the Iperen IDHA product range are microgranulated with a unique and patented process. The process guarantees a raspberry-shaped, uniform and dust free microgranule. This structure increases the contact surface with water while diluting. The result is a highly soluble product.
In addition to single-element IDHA chelated micro nutrients in soluble form, Van Iperen offers physical mixes (blends) and compounds (chemical mixes). The blends of the IDHA chelated Micronutrients are homogeneous due to the uniform raspberry-shaped structure of the individual products.
DTPA is a chelate that protects Iron against precipitation up to a pH of 7. The stability constant of Iperen Iron-DTPA is moderate to high. The slightly larger pH range in combination with the high stability constant makes this product ideal for high-tech soilless hydroponics.
Like HBED, the DTPA chelating agent has limited effect on the performance of a UV-sterilizer. This in contrary to EDDHA and EDTA. On top of that, the pH in hydroponics is often between 6.5 and 7.0. In this range Iron-EDTA is no longer sufficient, where Iron-DTPA still is. This makes Iron-DTPA more suitable for application in high-tech hydroponics than Iron-EDTA.
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Related links:The soluble products in the Iperen Iron-DTPA product range are microgranulated with a unique and patented process. The process guarantees a raspberry-shaped, uniform and dust free microgranule. This structure increases the contact surface with water while diluting. The result is a highly soluble product. Within the range we also have different liquid products available.
The Safer Chemical Ingredients List (SCIL) is a list of chemical ingredients, arranged by functional-use class, that the Safer Choice Program has evaluated and determined to be safer than traditional chemical ingredients. This list is designed to help manufacturers find safer chemical alternatives that meet the criteria of the Safer Choice Program.
Before Safer Choice decides to include a chemical on the SCIL, a third-party profiler (i.e., NSF, International or ToxServices) gathers hazard information from a broad set of resources, including the identification and evaluation of all available toxicological and environmental fate data. The third party profiler submits a report to Safer Choice, with a recommendation on whether the chemical passes the Criteria for Safer Chemical Ingredients. Safer Choice staff performs due diligence by reviewing the submission for completeness, consistency, and compliance with the Safer Choice Criteria. If more than one third-party has evaluated the chemical, Safer Choice also checks for differences in the profiles and resolves any conflicts. In some cases, Safer Choice may also perform additional literature reviews and consider data from confidential sources, such as EPA's New Chemicals Program. Safer Choice does not typically examine primary literature (original studies) as part of its review and listing decisions.
The list is not intended to be exclusive. Chemicals may be submitted as part of a formulation that the program has yet to review or a chemical manufacturer may develop a chemical to meet the Safer Choice criteria. If these chemicals meet our criteria, they may be approved for use in Safer Choice-labeled products and added to the SCIL. Chemicals may be removed from the list or have their status changed based on new data or innovations that raise the safer-chemistry bar. Safer Choice will ensure that no confidential or trade secret information appears in this list.
Safer Choice ensures that no confidential or trade secret information appears in this list.
†The Safer Choice Standard and the Criteria for Safer Chemical Ingredients are protective and address a broad range of potential toxicological effects, including:
Additionally:
*All chemicals in the listing are among the safest for their functional use.
Green circle - The chemical has been verified to be of low concern based on experimental and modeled data.
Green half-circle - The chemical is expected to be of low concern based on experimental and modeled data. Additional data would strengthen our confidence in the chemical’s safer status.
Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class, but has some hazard profile issues. Specifically, a chemical with this code is not associated with a low level of hazard concern for all human health and environmental endpoints. (See Safer Choice Criteria). While it is a best-in-class chemical and among the safest available for a particular function, the function fulfilled by the chemical should be considered an area for safer chemistry innovation.
Grey square - This chemical may not be acceptable for use in products that are candidates for the Safer Choice label and any currently certified products that contain it may need to reformulate per Safer Choice Compliance Schedules. Manufacturers are invited to provide information to justify continued listing of this chemical on SCIL and use in Safer Choice-certified products. Unless information provided to EPA adequately justifies continued listing, this chemical will be removed 12 months after grey square designation.
Note: Some functional class listings contain both green circle and yellow triangle chemicals because the yellow triangle chemicals fill a functional need not met by the available green circle chemicals. For example, yellow triangle preservatives are needed to meet the full range of antimicrobial efficacy, and yellow triangle solvents are needed to meet restrictions on volatile organic compounds (VOCs) in certain product classes.
See the following resources for additional information on the chemicals in cleaning products:
For more information, please visit Environmentally Friendly Chelating Chemical Solutions.
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