Tetraethylphosphorodiamidic chloride

  • Tetraethylphosphorodiamidoyl chloride
  • Chlorobis(diethylamino)phosphine oxide
Formula
C8H20ClN2OP
Structure
Description
liquid. Pungent odor.

Registry Numbers and Inventories.
CAS
1794-24-7
EC (EINECS/ELINCS)
217-262-9
UN (DOT)
1760
Beilstein/Gmelin
1100887
Beilstein Reference
4-04-00-00426

Properties.
Formula
C8H20ClN2OP
Formula mass
226.68
Boiling point, °C
68 - 69 (0.06 torr)
Density
1.0682 g/cm3 (20 C)
Solubility in water
Slightly soluble
Refractive index
1.4668 (20 C)
pKa/pKb
5.65 (pKb)

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Corrosives area. Refrigerator (approx 4 C).
Handling
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use and store under nitrogen. Use only in a chemical fume hood.
Protection
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.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Stability
No data.
Incompatibilities
Strong oxidizing agents, strong bases, amines, alcohols.
Decomposition
Hydrogen chloride, phosphine, carbon monoxide, oxides of nitrogen, oxides of phosphorus, carbon dioxide.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: 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.
Hazards
Contact with metals may evolve flammable hydrogen gas.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Ingestion
Causes gastrointestinal tract burns. The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.
   Inhalation
Causes chemical burns to the respiratory tract. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
   Skin
Causes skin burns.
   Eyes
Causes eye burns.

First aid
 
   Ingestion
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. 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. 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.

Transport.
UN number
1760
Response guide
Hazard class
8
Packing Group
I; II; III