Diethylaminosulfur Trifluoride (DAST, CAS 38078-09-0) – China's Leading Manufacturer & Supplier

Introduction

Diethylaminosulfur Trifluoride (DAST, CAS No. 38078-09-0) is a highly specialized fluorinating reagent widely used in pharmaceuticals, agrochemicals, and organic synthesis. As China’s largest DAST manufacturer and supplier, we provide high-purity DAST with strict quality control, ensuring superior performance for industrial and research applications.

Product Features

• Chemical Formula: (C₂H₅)₂NSF₃

• CAS No.: 38078-09-0

• Purity: ≥98% (HPLC)

• Appearance: Colorless to pale yellow liquid

• Storage: Requires -20--2°C refrigeration to prevent decomposition

• Stability: Moisture-sensitive; must be handled under inert gas (N₂/Ar)

Applications of DAST

DAST is a versatile reagent with critical roles in:

1. Pharmaceuticals: Fluorination of drug intermediates (e.g., steroids, antiviral compounds).

2. Agrochemicals: Synthesis of fluorine-containing pesticides and herbicides.

3. Organic Synthesis: Selective fluorination of alcohols, carbonyls, and heterocycles.

4. Materials Science: Production of fluoropolymers and liquid crystals.

Why Choose Our DAST?

1. Unmatched Quality & Purity

• Our DAST undergoes rigorous HPLC/GC-MS testing to ensure ≥98% purity, minimizing side reactions.

• Batch-to-batch consistency for reliable performance.

2. Advanced Production Capacity

• China's largest DAST production facility with ISO 9001-certified processes.

• Annual output of 50+ metric tons, meeting global demand.

3. Specialized Handling & Packaging

• Storage: Shipped in sealed, cold-chain-compatible containers .

• Packaging: Amber glass bottles or stainless-steel drums under nitrogen.

4. Technical Support & Customization

• Tailored solutions (e.g., bulk orders, modified formulations).

• SDS, COA, and regulatory documentation provided.

Safety & Transportation Guidelines

• Storage: Must be kept at -20°C; avoid exposure to moisture/air.

• Transport: Classified as hazardous material (UN 3286). Requires:

  • Cold chain logistics (dry ice or refrigerated trucks).

  • Inert gas (N₂) headspace in packaging.

  • Compliance with IATA/ADR regulations for air/land freight.

Conclusion

As the leading Chinese manufacturer of Diethylaminosulfur Trifluoride (DAST, CAS 38078-09-0), we combine high-volume production, exceptional purity, and strict cold-chain logistics to serve global clients. Whether for pharmaceutical R&D or industrial-scale fluorination, our DAST delivers unmatched reliability.