Product Identification

Product Name

Sodium diacetate

Synonyms

Acetic acid, sodium salt (2:1)
Acid acetate
Dykon
Michaelis buffer
Sodium acetic acid acetate

CAS

126-96-5

Formula

C4H7NO4

Molecular Weight

142.09

EINECS

204-814-9

RTECS

AJ4375000

RTECS Class

Other

Beilstein/Gmelin

3595639

Beilstein Reference

4-02-00-00094

Physical and Chemical Properties

Appearance

White, crystalline powder with the odor of acetic acid.

Density

1.5285 g/cm3

Usage

Antimicrobial agent in bakery and foodstuffs, flavor enhancer.

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, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.

Skin

Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.

Eyes

If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate 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

Inhalation

This material is a dust or may produce dust.

Skin

May cause mild skin irritation. Symptoms may include redness and burning of skin.

Eyes

Can cause permanent eye injury. Symptoms include stinging, tearing, redness, and swelling of eyes. Can injure the cornea and cause blindness.

Ingestion

Swallowing small amounts of this material during normal handling is not likely to cause harmful effects. Swallowing large amounts may be harmful.

Hazards

Dusts can form explosive mixtures in air.

Exposure Controls/Personal Protection

Personal Protection

Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.

Respirators

If overexposure has been determined or documented, a NIOSH/MSHA approved dust/mist and fume respirator is advised in the absence of proper environmental control.

Exposure Effects

Symptoms of exposure to this material through breathing, swallowing, and/or passage of the material through the skin may include: stomach or intestinal upset (nausea, vomiting, diarrhea) irritation (nose, throat, airways).

Poison Class

5

Fire Fighting Measures

Fire Fighting

Extinguish fire using water fog, 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 - Shovel material into containers. Thoroughly sweep area of spill to clean up any residual material.

Stability and Reactivity

Stability

Stable.

Incompatibilities

Strong mineral acids.

Decomposition

Acetic acid, carbon dioxide and carbon monoxide, various hydrocarbons.