Comprehensive Guide to Sodium Polyaspartate (CAS 181828-06-8)
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | Sodium Polyaspartate |
| CAS Number | 181828-06-8 |
| Molecular Formula | (C4H5NO3Na)n |
| Appearance | White to pale yellow powder |
| Solubility | Water-soluble (≥98%) |
| pH Range | 6.0-8.5 (1% aqueous solution) |
| Biodegradability | >90% in 28 days (OECD 301B) |
Comparative Analysis
| Feature | Sodium Polyaspartate | EDTA | Citric Acid |
|---|---|---|---|
| Biodegradability | High | Low | Medium |
| Calcium Binding Capacity | 450 mg/g | 320 mg/g | 280 mg/g |
| pH Stability | 3-12 | 2-11 | 2-8 |
| Eco-Toxicity | Non-toxic | Aquatic toxicity | Low toxicity |
2. Key Applications
Water Treatment Solutions
Prevents scale formation in cooling towers (effective at 5-15 ppm concentration), reduces heavy metal discharge in wastewater by 60-80%.
Agricultural Enhancements
Improves fertilizer efficiency by 25-40% through nutrient encapsulation, increases crop yield by 15-20% in field tests.
Personal Care Formulations
Used in anti-aging creams (0.5-2% concentration) for improved skin hydration (+30% moisture retention vs glycerin).
3. Implementation Case Studies
Case 1: Industrial Cooling System Optimization
A 500-ton capacity cooling tower achieved 18-month scale-free operation using 10 ppm sodium polyaspartate, reducing maintenance costs by $120,000 annually.
Case 2: Sustainable Agriculture Project
Rice paddies treated with 0.3% polyaspartate-enhanced fertilizers showed 22% higher yields with 35% less nutrient runoff.
4. Verified Client Success Stories
Client A: European Water Treatment Provider
Challenge: Needed eco-friendly alternative for coal power plant cooling systems
Solution: Implemented 12 ppm sodium polyaspartate dosage
Results: 90% scale reduction, achieved ISO 14001 compliance
Client B: Asian Fertilizer Manufacturer
Challenge: Required slow-release nitrogen formulation
Solution: 0.45% polyaspartate coating technology
Results: Extended nutrient release from 14 to 38 days, increased market share by 18%
5. Contact for Technical Consultation
For formulation support or bulk pricing:
Email: info@vivalr.com
Phone: (86) 15866781826
Request free samples or SDS documentation through our 24/7 inquiry portal.



评论
目前还没有评论。