Cyclohexanediaminetetraacetic acid

  • 1,2-Cyclohexanediaminetetraacetic acid
  • 1,2-Diaminocyclohexanetetraacetic acid
  • 1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic acid
  • Glycine, N,N'-1,2-cyclohexanediylbis[N-(carboxymethyl)-
Formula
C14H22N2O8
Structure
Description
Tan solid.

Registry Numbers and Inventories.
CAS
482-54-2
EC (EINECS/ELINCS)
207-582-7
RTECS
AG5000000
RTECS class
Other
Beilstein/Gmelin
842576
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C14H22N2O8
Formula mass
346.33
Melting point, °C
215
Solubility in water
Very soluble
pKa/pKb
1.89 (pKa)

Hazards and Protection.
Storage
Store in a cool, dry place.
Handling
Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
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 gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
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
Vacuum or sweep up material and place into a suitable disposal container.
Stability
Stable at room temperature in closed containers under normal storage and handling conditions.
Incompatibilities
Strong oxidizers.
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. Dusts at sufficient concentrations can form explosive mixtures with air. Extinguishing media: Use water spray, dry chemical, or carbon dioxide.

Health.
Exposure effects
   Ingestion
May cause irritation of the digestive tract.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause mild skin irritation.
   Eyes
May cause mild eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
   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 if irritation develops or persists. Flush skin with plenty of soap and water.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.