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          Inorganic Fluorides¡´¡´ DAST

Diethylaminosulfur trifluoride (DAST)

Name: Diethylaminosulfur trifluoride
CAS NO.: 38078-09-0;
Molecular Formula: C4H10F3NS;
Molecular Weight: 161.18;
Boiling Point: 30 - 32 ¡æ @ 3 mmHg;
Density: 1.316 g/cm³;
Physical State: Clear liquid;

Properties: Stable under normal temperatures and pressures. Incompatible with water,       strong oxidizing agents, acids, strong bases, and alcohols,  exposure to moist air or       water.
Application: Used as a fluorating agent, is usefull in organic chemistry for the       replacement of carbonyl oxygen or hydroxyl group by fluorine atom. It is  more safe and       mild than Sulfur Tetrafluoride.
Handling: Wash thoroughly after handling. Use spark-proof tools and explosion  proof       equipment. Do not breathe dust, vapor, mist, or gas. Do not get in  eyes, on skin, or on       clothing. Take precautionary measures against static  discharges. Use only in a       chemical fume hood.
Storage: Keep away from sources of ignition. Store in a cool and. dry place. Store in a       tightly closed container.
Purity: 90%, 95%.