ChemicalBook >>Diethylaminosulfur trifluoride>>DAST(38078-09-0)

DAST(38078-09-0)

DAST(38078-09-0)
Product IdentificationBack to Contents
【Product Name】

DAST
【Synonyms】

(Diethylamino)sulfur trifluoride
(Diethylamino)trifluorosulfur
(N,N-Diethylamino)sulfur trifluoride
DAST
Ethanamine, N-ethyl-, sulfur complex
Sulfur, (N-ethylethanaminato)trifluoro-, (T-4)-
【CAS】

38078-09-0
【Formula】

C4H10F3NS
【Molecular Weight】

161.19
【EINECS】

253-771-2
【Beilstein/Gmelin】

1849066
【EC Class】

corrosive
Physical and Chemical PropertiesBack to Contents
【Appearance】

Amber liquid.
【Density】

1.316 g/cm3
【Usage】

Fluorinating agent.
【Refractive Index】

1.4125 (20 C)
First Aid MeasuresBack to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator/flammables. Do not get water inside containers.
【Handling】

Wash thoroughly after handling. Use only in a well ventilated area. Do not allow water to get into the container because of violent reaction. Ground and bond containers when transferring material. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
Hazards IdentificationBack to Contents
【Ingestion】

The toxicological properties of this substance have not been fully investigated.
【Inhalation】

The toxicological properties of this substance have not been fully investigated.
【Skin】

No information regarding skin irritation and other potential effects was found. May cause severe irritation and possible burns.
【Eyes】

No information regarding eye irritation and other potential effects was found. May cause eye irritation and possible burns.
【Hazards】

Contact with metals may evolve flammable hydrogen gas.
【EC Risk Phrase】

R 5 10 14 23 35
【EC Safety Phrase】

S 26 36/37/39 45 49
【UN (DOT)】

1760
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Reacts violently with water. Extinguishing media: Do NOT use water directly on fire. Use foam, dry chemical, or carbon dioxide.
【Fire Potential】

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Remove all sources of ignition.
Stability and ReactivityBack to Contents
【Disposal Code】

23
【Stability】

Stable under normal temperatures and pressures. Combines vigorously or explosively with water.
【Incompatibilities】

Strong oxidizing agents, strong acids, strong bases, alcohols.
【Decomposition】

Nitrogen oxides, carbon monoxide, carbon dioxide, hydrogen fluoride, nitrogen.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

1760
【Hazard Class】

8
【Packing Group】

I; II; III
【HS Code】

2930 90 70
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