Disodium Iminodiacetate (IDA) CAS 928-72-3: Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Chemical Properties
| Parameter | Disodium IDA | EDTA | NTA |
|---|---|---|---|
| CAS Number | 928-72-3 | 60-00-4 | 139-13-9 |
| Molecular Formula | C4H5NO4Na2 | C10H16N2O8 | C6H9NO6 |
| Chelation Strength | Moderate | High | Low |
| Biodegradability | Excellent | Poor | Good |
Physical Characteristics
- Appearance: White crystalline powder
- Solubility: 650 g/L (20°C water)
- pH Range: 8.5-10.5 (1% solution)
- Storage: 2 years in sealed container below 30°C
2. Key Applications of Disodium IDA
Industrial Uses
- Agriculture: Chelating agent for micronutrient fertilizers
- Water Treatment: Heavy metal sequestration (Pb²⁺, Cu²⁺)
- Detergents: Calcium/magnesium ion control in formulations
Technical Advantages
| Industry | Benefit | Performance Data |
|---|---|---|
| Textile Processing | Prevents metal-induced fabric discoloration | 98.7% dye uniformity improvement |
| Pulp & Paper | Reduces peroxide decomposition | 23% energy savings in bleaching |
3. Step-by-Step Usage Guidelines
Agricultural Formulation
- Dosage Calculation: 0.5-1.2% of total fertilizer weight
- Mixing Protocol: Dissolve in 40°C water before adding micronutrients
- pH Adjustment: Maintain solution between 6.5-7.5 for optimal stability
4. Real-World Case Studies
Case 1: Indian Agricultural Cooperative
Challenge: 32% crop yield loss from iron deficiency
Solution: IDA-chelated Fe fertilizer at 0.8% concentration
Result: 19% yield increase in first season
Case 2: German Water Authority
Challenge: 2.8 ppm lead in drinking water
Solution: 50 mg/L IDA in filtration system
Result: Lead content reduced to 0.02 ppm
5. Contact for Custom Solutions
Technical Support: (86) 15866781826
Email: info@vivalr.com
Request formulation assistance or MSDS within 2 working hours.
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