Sulfuryl Chloride (CAS 7791-25-5): Comprehensive User Guide
Table of Contents
1. Product Overview & Technical Specifications
Sulfuryl chloride (CAS 7791-25-5) is a colorless to pale yellow liquid with the molecular formula SO2Cl2. It is widely used as a chlorinating and sulfonating agent in organic synthesis.
Technical Parameters
| Parameter | Sulfuryl Chloride | Thionyl Chloride | Phosphorus Oxychloride |
|---|---|---|---|
| CAS Number | 7791-25-5 | 7719-09-7 | 10025-87-3 |
| Boiling Point | 69°C | 79°C | 105°C |
| Reactivity | Moderate | High | Low |
2. Key Applications & Industrial Uses
- Pharmaceuticals: Synthesis of sulfonamides and intermediates.
- Agrochemicals: Production of herbicides and fungicides.
- Polymers: Chlorination of polyethylene and PVC modifiers.
- Dyes: Sulfonation of aromatic compounds.
3. Usage Scenarios & Best Practices
Scenario 1: Chlorination of Aromatic Compounds
In controlled environments, sulfuryl chloride reacts with benzene derivatives at 50-60°C to produce chlorinated aromatics with 85-92% yield.
Scenario 2: Sulfonamide Production
Used in a three-step synthesis process with amines under nitrogen atmosphere, achieving >95% purity in final API intermediates.
4. Customer Case Studies
Case Study 1: ABC Pharmaceuticals (India)
Challenge: Required high-purity chlorinated intermediates for antimalarial drugs.
Solution: Optimized SO2Cl2 dosing at 1.2 molar equivalents.
Result: 18% cost reduction and 22% faster reaction kinetics.
Case Study 2: Green Agro Ltd (Brazil)
Challenge: Needed stable chlorination for moisture-sensitive fungicide production.
Solution: Implemented closed-loop SO2Cl2 delivery system.
Result: Achieved 99.7% process consistency and zero HCl emissions.
5. Contact Us for Quotations
Request pricing or technical support:
- Email: info@vivalr.com
- Tel: (86) 15866781826
Why Choose Us?
– ISO 9001-certified production
– 24/7 technical support
– Global shipping via DHL/FedEx
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