EDTA, disodium salt

  • (Ethylenedinitrilo)tetraacetic acid disodium salt
  • Disodium dihydrogen ethylenediaminetetraacetate
  • N,N'-1,2-Ethanediylbis[N-(carboxymethyl)glycine], disodium salt, dihydrate
Formula
C10H14N2Na2O8
Structure
Description
Odorless, white crystals
Uses
Sequestering agent.

Registry Numbers and Inventories.
CAS
139-33-3
EC (EINECS/ELINCS)
205-358-3
RTECS
AH4375000
RTECS class
Mutagen; Reproductive Effector
Merck
12,3556
Beilstein/Gmelin
3822669
Beilstein Reference
4-04-00-02449
EPA OPP
39115
Swiss Giftliste 1
G-6585
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C10H14N2O8*2Na
Formula mass
336.21
Decomposition point, °C
252
Solubility in water
100 g/L

Hazards and Protection.
Storage
Keep tightly closed in a cool place in a tightly closed container.
Handling
Containers of this material may be hazardous when emptied. Since emptied containers retain product residues (vapor, liquid, and/or solid), all hazard precautions given in the data sheet must be observed.
Protection
Safety goggles, chemical resistant gloves such as neoprene, protective clothings.
Respirators
If overexposure has been determined or documented, a NIOSH/MSHA jointly approved air supplied respirator is advised in absence of proper environmental control. OSHA regulations also permit other NIOSH/MSHA respirators under specified conditions.
Small spills/leaks
Small Spill - Sweep up material for disposal or recovery. Large Spill - Persons not wearing protective equipment should be excluded from area of spill until clean-up has been completed. Shovel material into containers. Thoroughly sweep area of spill to clean up any residual material. Do not flush into sewers. Material should be placed in a container for recovery or transfer to a disposal facility.
Stability
Stable.
Incompatibilities
Keep away from oxidizing agents.
Decomposition
Ammonia, carbon dioxide and carbon monoxide, nitrogen oxides.

Fire.
Fire fighting
Extinguish fire using regular foam, carbon dioxide, dry chemical. Wear a self-contained breathing apparatus with a full facepiece operated in the positive pressure demand mode with appropriate turn-out gear and chemical resistant personal protective equipment.
Hazards
Dust can form explosive mixtures in air.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
4
Exposure effects
   Ingestion
Swallowing small amounts of this material during normal handling is not likely to cause harmful effects. Swallowing large amounts may be harmful.
   Inhalation
Irritation.
   Skin
Can cause skin irritation. Symptoms may include redness and burning of skin, and other skin damage.
   Eyes
May cause mild eye irritation. Symptoms include stinging, tearing, and redness.

First aid
 
   Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation
If symptoms develop, immediately move individual away from exposure and into fresh air. Seek immediate medical attention; keep person warm and quiet. If person is not breathing, begin artificial respiration. If breathing is difficult, administer oxygen.
   Skin
Remove contaminated clothing. Flush exposed area with large amounts of water. If skin is damaged, seek immediate medical attention. If skin is not damaged and symptoms persist, seek medical attention. Launder clothing before reuse.
   Eyes
If symptoms develop, move individual away from exposure and into fresh air. Flush eyes gently with water while holding eyelids apart. If symptoms persist or there is any visual difficulty, seek medical attention.

Transport.