N-Octylphosphonic Acid (CAS 4724-48-5) Comprehensive Guide
Table of Contents
- 1. Product Overview & Specifications
- 2. Parameter Comparison
- 3. Key Applications
- 4. Industrial Usage Scenarios
- 5. Client Case Studies
- 6. Request Quotation
1. Product Overview & Specifications
Chemical Name: N-Octylphosphonic Acid
CAS Number: 4724-48-5
Molecular Formula: C8H19O3P
Molecular Weight: 194.21 g/mol
Appearance: Clear colorless to pale yellow liquid
Purity: ≥97% (GC)
Storage Conditions: 2-8°C in inert atmosphere
2. Parameter Comparison
| Parameter | N-Octylphosphonic Acid | Similar Phosphonic Acids |
|---|---|---|
| Water Solubility | Partially soluble | Varies by alkyl chain |
| Acidity (pKa) | 2.1-2.5 | 1.8-3.0 |
| Thermal Stability | Stable up to 200°C | 150-250°C range |
3. Key Applications
- Metal surface treatment agents
- Scale inhibition in water treatment
- Catalyst in organic synthesis
- Ion-exchange membranes
- Corrosion inhibition
4. Industrial Usage Scenarios
4.1 Cooling Water Systems
Effective scale inhibitor at 5-50 ppm concentrations, preventing calcium carbonate deposition.
4.2 Oilfield Chemistry
Used in ASP flooding at 0.1-0.3% concentration to enhance oil recovery.
5. Client Case Studies
Case 1: European Chemical Manufacturer
Challenge: Required stable corrosion inhibitor for HCl pickling baths
Solution: 0.2% N-Octylphosphonic Acid formulation
Result: 92% corrosion inhibition efficiency at 60°C
Case 2: Asian Electronics Company
Challenge: Needed copper surface passivation agent
Solution: 5g/L aqueous solution treatment
Result: Created 15nm protective layer with 98% uniformity
6. Request Quotation
Contact our technical team for:
- Custom formulations
- Bulk pricing (25kg drum to ton quantities)
- Technical specifications
Email: info@vivalr.com
Phone: (86) 15866781826
Office Hours: Mon-Fri 8:30 AM – 5:30 PM (GMT+8)
Request Sample: Available in 100ml trial sizes with MSDS documentation.



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