Salicylhydroxamic Acid (CAS 89-73-6): Technical Guide & Industry Applications
Table of Contents
1. Chemical Profile & Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 89-73-6 |
| Molecular Formula | C7H7NO3 |
| Molecular Weight | 153.14 g/mol |
| Appearance | Pink to orange crystalline powder |
| Melting Point | 177°C (decomposition) |
| Density | 1.4 g/cm³ |
| Solubility | Soluble in alkaline solutions, ethanol, ether; slightly soluble in water |
| Flash Point | 248.9°C |
2. Functional Applications
2.1 Metallurgical Processing
- Selective collector for rare earth oxides (REO) in mineral flotation
- Efficient extractant for copper/zinc oxide ores through chelation mechanisms
- Primary reagent in tin ore beneficiation when combined with P86 modifier
2.2 Analytical Chemistry
- Precipitation agent for bismuth, copper, and nickel analysis
- Colorimetric determination of tungsten and rare earth elements
2.3 Industrial Synthesis
- Key intermediate in pharmaceutical hydroxamate derivatives
- Precursor for corrosion inhibitor formulations
3. Operational Guidelines
3.1 Mineral Processing Protocol
- Prepare 0.5-1.0% alkaline solution (pH 8.5-10)
- Dose at 100-500g/ton ore depending on metal content
- Maintain slurry temperature between 25-40°C
- Combine with P86 modifier (1:3 ratio) for tin ore applications
3.2 Safety Handling
- PPE Requirements: Chemical-resistant gloves, goggles
- Storage: Dry environment below 30°C
- Disposal: Neutralize with lime before wastewater discharge
4. Industry Case Studies
Case 1: Rare Earth Recovery Enhancement
Client: Southern China Rare Earth Group
Challenge: Low recovery rates (≤65%) for cerium oxides
Solution: Implemented SHAM-based flotation at pH 9.2
Outcome: Recovery improved to 82% with 94% purity
Case 2: Tin Concentrate Optimization
Client: Yunnan Tin Corporation
Challenge: High cassiterite losses in tailings
Solution: SHAM/P86 synergistic system (1:3 ratio)
Outcome: Tin recovery increased 18% versus traditional methods
5. Commercial Inquiry
For technical specifications, bulk pricing, or customized formulations:
| Contact Email | info@vivalr.com |
| Direct Line | (86) 15866781826 |
Request MSDS documentation or application notes through our 24-hour response service.



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