Sodium Thiocyanate (CAS 540-72-7): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Chemical Profile
Sodium Thiocyanate (NaSCN), CAS 540-72-7, is a white crystalline compound with molecular weight 81.07 g/mol. Soluble in water and ethanol, it decomposes at 300°C.
Technical Specifications
| Parameter | Specification | Thiocyanate Alternatives |
|---|---|---|
| Purity | ≥99.0% | KSCN (98.5%), NH4SCN (97%) |
| pH (5% sol.) | 6.0-7.5 | KSCN: 5.5-8.0 |
| Heavy Metals | ≤10ppm | Industry Std: ≤15ppm |
2. Key Applications & Industrial Uses
Core Functional Roles
- Textile Manufacturing: Fiber solvent in acrylic fiber production
- Chemical Synthesis: Catalyst in polymerization reactions
- Pharmaceuticals: Intermediate in antihypertensive drug synthesis
- Metal Treatment: Corrosion inhibitor in electroplating baths
Performance Advantages
- 35% higher solubility than ammonium thiocyanate
- Superior thermal stability (stable up to 250°C)
- Low chloride content (<0.005%) prevents equipment corrosion
3. Practical Implementation Scenarios
Optimized Usage Protocols
Polymer Production: Use 0.5-1.2% NaSCN as chain transfer agent in ABS resin synthesis
Textile Processing: 15-20% aqueous solution for acrylic fiber spinning
Safety Handling
- PPE Requirement: Nitrile gloves + Chemical goggles
- Storage: Maintain RH <45% in polyethylene containers
4. Verified Customer Case Studies
Case 1: Specialty Chemical Manufacturer
Client: EuroChem Solutions GmbH
Challenge: Required low-metal thiocyanate for catalyst production
Solution: Supplied NaSCN with ≤5ppm heavy metals
Outcome: 22% yield improvement in palladium complex synthesis
Case 2: Textile Plant Expansion
Client: AsiaFiber Co., Ltd.
Challenge: Needed 50MT/mo thiocyanate for new acrylic line
Solution: Custom bulk packaging + JIT delivery system
Outcome: Achieved 98% production uptime in Q3 2023
5. Technical Inquiry & Consultation
Contact our chemical engineers for:
- Custom purity specifications (98-99.9%)
- Bulk order pricing (1MT+ quantities)
- MSDS & regulatory compliance support
Contact:
Email: info@vivalr.com
Tel: (86) 15866781826



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