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EDTA.4Na has excellent metal ion chelation performance
 Apr 19, 2024|View:30|Share to:

EDTA.4Na is a chelating agent widely used in various industries for its excellent metal ion sequestration properties.


CAS NO. 13235-36-4

Molecular weight: 452.23

Molecular Formula:C10H12N2O8Na4·4H2O

Structural Formula


Product Grade: Industrial

Description & Application:

Used as soft water agent, chelating agent, polymerization initiator of styrene butadiene rubber, initiator of acrylic fiber, printing and dyeing assistant, detergent assistant, etc

EDTA.4Na, or Ethylenediaminetetraacetic acid tetrasodium salt, is a highly effective compound used in water treatment applications. With the CAS number 13235-36-4, EDTA.4Na acts as a chelating agent, effectively binding and sequestering metal ions in water systems. It helps prevent scale formation, improves water quality, and enhances the performance of detergents and cleaning agents. EDTA.4Na is widely utilized in industries such as industrial water treatment, agriculture, and pharmaceuticals, contributing to efficient and sustainable water management practices.

Safety Protection:

Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and putdown.





White powder

Purity %

≥ 99.0

Iron (Fe)%

≤ 0.001

Heavy netal(Pb)%

≤ 0.002

Chalate value (mgCaCO3/g)

≥ 215




25kg/bag or according to customer's requirements

Shelf Life:

1 year


  • Q1: What is your terms of payment?A: Small:TT 100% in advance,Credit Card.
    Large:L/C at sight,T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

  • Q2: How about your delivery time?A:Generally,it will take 15 to 20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

  • Q3: Do you have any MOQ limit for order?A:Yes, Low MOQ, 10-100g for sample checking is available.

  • Q4: How to proceed an order for your products?A:Firstly let us know your requirements or application.Secondly We quote according to your requirements or our suggestions.Thirdly custmer confirms the samples and places deposit for order.Fourthly We arrange the production.

  • Q5: Do you test all your goods before delivery?A: Yes, we have 100% test before delivery.

  • Q6: How do you make our business long-term and good relationship?A: 1. We keep good quality and competitive price to ensure our customers benefit ;
    2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.