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| Feature | Good stability |
| Classification | Paint Additives |
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CAS No. 51981-21-6
Content 47%
Packing 250kg/drum
| Name | GLDA-4Na |
| Synonyms | GLDA-4Na TETRASODIUM GLUTAMATE DIACETATE Glutamic acid diacetic acid, tetrasodium salt TETRASODIUM N,N-BIS(CARBOXYMETHYL)-L-GLUTAMATE N,N-Bis(carboxymethyl)glutamate, tetrasodium salt tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate N,N-BIS(CARBOXYMETHYL)-L-GLUTAMIC ACID TETRASODIUM SALT N,N-BIS-(CARBOXYMETHYL)-L-GLUTAMIC ACID TETRASODIUMN SALT L-Glutamic acid, N,N-bis(carboxymethyl)-, tetrasodium salt |
| CAS | 51981-21-6 |
| EINECS | 257-573-7 |
| Molecular Formula | C9H14NNaO8 |
| Molar Mass | 287.2 |
| Density | 1.466[at 20℃] |
| Water Solubility | 650g/L at 21℃ |
| Solubility | Water |
| Vapor Presure | 80Pa at 20℃ |
| Appearance | Colourless Solution |
| Color | Light orange to Yellow to Green |
| Storage Condition | Refrigerator |
| MDL | MFCD01862262 |
| Property | Specification |
|---|---|
| Chemical Name | Glutamic Acid Diacetic Acid Tetrasodium Salt |
| CAS No. | 51981-21-6 |
| Molecular Formula | C₉H₉NNa₄O₈ |
| Molecular Weight | 351.13 g/mol |
| Appearance | White crystalline powder |
| Solubility (20°C) | ≥500 g/L in water |
| pH (1% solution) | 10.5-12.0 |
| Function | Application |
|---|---|
| Biodegradable Chelator | Detergents, cleaning agents |
| Scale Inhibitor | Water treatment systems |
| Metal Ion Stabilizer | Textile processing |
| Peroxide Stabilizer | Pulp & paper bleaching |
| Agricultural Aid | Micronutrient formulations |
| Parameter | Requirement |
|---|---|
| Skin Contact | Mild irritant (rinse if exposed) |
| Eye Contact | Flush immediately with water |
| Storage Conditions | Dry, sealed container (<30°C) |
| Biodegradability | >90% (OECD 301B) |
| Environmental Impact | Low bioaccumulation potential |
This next-generation chelating agent combines excellent metal ion sequestration capacity with superior environmental profile compared to traditional phosphates/EDTA. Its glutamate backbone ensures high biodegradability while maintaining strong chelation performance across pH ranges.
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