Pentetic acid

  • N,N-Bis[2-[bis(carboxymethyl)amino]ethyl]glycine
  • Glycine, N,N-bis[2-[bis(carboxymethyl)amino]ethyl]-
  • Complexon V
  • Titriplex V
  • DETPA
  • Diethylenetriaminepentaacetic acid
Formula
C14H23N3O10
Structure
Description
White to off-white solid.
Uses
Chelating agent.

Registry Numbers and Inventories.
CAS
67-43-6
EC (EINECS/ELINCS)
200-652-8
R 36/37/38
RTECS
MB8205000
RTECS class
Other
Merck
12,7266
Beilstein/Gmelin
1810219
Beilstein Reference
4-04-00-02454
Swiss Giftliste 1
G-7071
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C14H23N3O10
Formula mass
393.34
Melting point, °C
220 - 222
Density
1.558 g/cm3
Solubility in water
Very soluble
pKa/pKb
1.71 (pKa)
Partition coefficient, pKow
-3.43

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.
Protection
Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
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.
Poison_Class
4
Exposure effects
   Ingestion
The toxicological properties of this substance have not been fully investigated.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause 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. Get medical aid if cough or other symptoms appear.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
HS Code
2922 49 95