DTPA dianhydride

  • Diethylenetriaminepentaacetic acid dianhydride
  • Diethylenetriamine-N,N,N',N',N''-pentaacetic dianhydride
  • Glycine, N,N-bis[2-(2,6-dioxo-4-morpholinyl)ethyl]-
Formula
C14H19N3O8
Structure
Description
Powder.

Registry Numbers and Inventories.
CAS
23911-26-4
R 36/37/38
Beilstein/Gmelin
1230954
New Zealand
Listed

Properties.
Formula
C14H19N3O8
Formula mass
357.32
Melting point, °C
183 - 185
Solubility in water
Very soluble
pKa/pKb
2.54 (pKa)

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Keep under an argon blanket.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
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
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong acids.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
190
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Exposure effects
   Ingestion
The toxicological properties of this substance have not been fully investigated.
   Inhalation
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   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. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.