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High-purity sodium salt form of nitrilotriacetic acid (NTA), ensuring consistent chelating performance in demanding industrial processes.
Excellent water solubility and stability across a broad pH range (pH 4–11), facilitating easy integration into aqueous formulations.
Biodegradable alternative to EDTA, supporting sustainable manufacturing and compliance with evolving environmental regulations.
Strong selective chelation of heavy metal ions (e.g., Cu²⁺, Ni²⁺, Co²⁺) with minimal interference from calcium and magnesium under mild conditions.
Low toxicity profile and favorable handling safety compared to phosphonate-based chelants, reducing occupational health risks.
Electroplating bath stabilization—prevents metal hydroxide precipitation and improves deposit uniformity and brightness.
Industrial detergent and cleaning formulations—enhances soil removal and prevents redeposition of metal-containing soils.
Textile dyeing and finishing—controls metal-catalyzed oxidative degradation of dyes and fibers during processing.
Photographic chemical solutions—acts as a sequestering agent for trace metals that cause fogging or image instability.
Water treatment in closed-loop cooling systems—suppresses scale formation and corrosion by complexing transition metals.
| Chemical Type | Sodium nitrilotriacetate (trisodium salt of NTA) |
| Product Form | White crystalline powder |
| Appearance | Free-flowing, odorless granules or fine crystals |
| Assay (as Na₃C₆H₆NO₆) | ≥ 98.0% (by titration) |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Loss on Drying (105°C, 2 h) | ≤ 2.0% |
| pH (1% aqueous solution) | 10.0 – 11.5 |
| Solubility in Water (20°C) | ≥ 500 g/L |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
