Hydroxyethylethylenediaminetriacetic Acid / HEDTA Cas 150-39-0
Product name: N-(2-Hydroxyethyl)ethylenediaminetriacetic acid
Synonyms: N-Carboxymethyl-N’-(2-hydroxyethyl)-N,N’-ethylenediglycine; N-(2-Hydroxyethyl)ethylenediamine-N,N’,N’-triacetic acid; HEDTA
CAS No.: 150-39-0
MF: C10H18N2O7
Hydroxyethylethylenediaminetriacetic Acid (HEDTA) Cas 150-39-0: Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Key Parameters
| Parameter | HEDTA | EDTA | NTA |
|---|---|---|---|
| CAS Number | 150-39-0 | 60-00-4 | 139-13-9 |
| Molecular Formula | C10H18N2O7 | C10H16N2O8 | C6H9NO6 |
| Stability in Alkaline pH | High | Moderate | Low |
| Biodegradability | Excellent | Poor | Moderate |
Advantages: Superior metal chelation above pH 9, low environmental persistence, and thermal stability up to 200°C.
2. Applications & Use Cases
Primary Industrial Uses
- Water Treatment: Scale inhibition in cooling towers (0.5-2% concentration)
- Agriculture: Micronutrient delivery in fertigation systems (100-500 ppm)
- Personal Care: Stabilizer in alkaline cosmetics (pH 8-10 formulations)
- Industrial Cleaning: Metal ion control in CIP processes (3-7% solutions)
3. Step-by-Step Usage Guidelines
Water Treatment Protocol
- Analyze water hardness (target Ca²⁺ < 50 ppm)
- Calculate dosage: 1.5g HEDTA per liter per 100 ppm hardness
- Inject via metering pump at 25-40°C
- Monitor pH (maintain 8.5-9.5) weekly
4. Real-World Client Case Studies
Case 1: Power Plant Cooling System
Client: Zhejiang Thermal Power Co., China (2023)
Issue: 73% efficiency loss from CaCO3 scaling
Solution: 1.8% HEDTA replacement for EDTA
Result: 41% scaling reduction, ROI in 5 months
Case 2: Organic Fertilizer Production
Client: GreenGrow AG, Germany (2022)
Issue: Zn/Pb precipitation in liquid fertilizers
Solution: 0.2% HEDTA additive
Result: 99% nutrient bioavailability, 27% yield increase
5. Request a Quote
Optimize your operations with HEDTA solutions:
Email: info@vivalr.com
Tel: (86) 15866781826
Our technical team provides formulation support, regulatory documentation, and customized dosing recommendations.
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