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GLDA (Tetrasodium Glutamate Diacetate): Is It a Hazardous Chemical?

In the industrial and consumer goods sectors, particularly within the European market, there is a growing emphasis on chemical safety, environmental responsibility, and regulatory compliance. A common question among formulators and brands is: Is Tetrasodium Glutamate Diacetate (GLDA) classified as a hazardous chemical?

GLDA formula

The clear answer is no. According to major regulatory frameworks like the EU's REACH and CLP Regulation, GLDA is not classified as a hazardous substance. This classification is rooted in its exceptional environmental and toxicological profile.

Why GLDA is a Safe and Sustainable Choice

GLDA has emerged as a leading bio-based chelator, favoured for its strong performance and excellent green credentials.

  1. Readily Biodegradable: GLDA is derived from natural, renewable L-glutamic acid. It breaks down quickly in the environment, minimizing its ecological footprint and aligning perfectly with the EU's strict standards for environmental safety.

  2. Low Ecotoxicity: Compared to traditional chelators like EDTA, GLDA demonstrates significantly lower toxicity to aquatic life, making it a responsible choice for down-the-drain applications.

  3. Excellent Toxicological Profile: GLDA is known for its low irritation potential to skin and eyes and is not classified as a skin sensitizer, ensuring safety in handling and use in end-products.

  4. Non-Flammable and Stable: GLDA poses no fire hazard, enhancing its safety during storage and transportation.

For these reasons, GLDA is widely adopted in Europe across various industries, including eco-friendly detergents, personal care (cosmetics), agrochemicals, and water treatment, as a direct replacement for less sustainable alternatives.

Yuanlian Chemical GLDA: Committed to Purity and Maximum Safety

While GLDA itself is inherently safe, product quality and purity are paramount. Some chelating agents on the market can contain undesirable by-products.

Yuanlian Chemical’s GLDA

At Yuanlian Chemical, we go a step further to ensure our product meets the highest standards of purity and safety for our European clients. Our GLDA is meticulously manufactured with a crucial guarantee:

  • It is guaranteed NTA (Nitrilotriacetic Acid)-Free. The use of NTA is heavily restricted in Europe due to health and environmental concerns. Our process eliminates this impurity entirely.

  • It is free from substances classified as Carcinogenic, Mutagenic, or Toxic for Reproduction (CMR). Our rigorous quality control ensures the absence of nitrosamines and other regulated carcinogens, providing full compliance and peace of mind for your formulations.

Conclusion: The Optimal, Non-Hazardous Chelator for the European Market

In summary, Tetrasodium Glutamate Diacetate (GLDA) is a scientifically and regulatorily recognized non-hazardous, sustainable chelating agent. For brands seeking a reliable and pure source, Yuanlian Chemical's GLDA offers a superior solution. Our commitment to providing an NTA-free, non-carcinogenic, and readily biodegradable chelator makes it the safest and most responsible choice for your next-generation products, ensuring both market compliance and consumer trust.


Yuanlian Chemical specializes in the production of polyaspartic acid (PASP),tetrasodium iminodisuccinate(IDS), GLDA, MGDA etc. with stable quality and excellent quantity!

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