Product Identification

Product Name

(Ethylenedinitrilo)tetraacetic acid disodium salt

Synonyms

(Ethylenedinitrilo)tetraacetic acid disodium salt
Cheladrate
Disodium dihydrogen ethylenediaminetetraacetate
Disodium edetate
Disotate
N,N'-1,2-Ethanediylbis[N-(carboxymethyl)glycine], disodium salt, dihydrate

CAS

139-33-3

Formula

C10H14N2Na2O8

Molecular Weight

336.21

EINECS

205-358-3

RTECS

AH4375000

RTECS Class

Mutagen; Reproductive Effector

Merck

12,3556

Beilstein/Gmelin

3822669

Beilstein Reference

4-04-00-02449

Physical and Chemical Properties

Appearance

Odorless, white crystals

Solubility in water

100 g/L

Usage

Sequestering agent.

First Aid Measures

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.

Handling and Storage

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.

Hazards Identification

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.

Hazards

Dust can form explosive mixtures in air.

Exposure Controls/Personal Protection

Personal 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.

Poison Class

4

Fire Fighting Measures

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.

Accidental Release Measures

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 and Reactivity

Incompatibilities

Keep away from oxidizing agents.

Stability

Stable.

Decomposition

Ammonia, carbon dioxide and carbon monoxide, nitrogen oxides.