Product Identification

Product Name

Potassium sodium tartrate

Synonyms

Monopotassium monosodium tartrate
Potassium sodium (2R,3R)-2,3-dihydroxybutanedioate
Potassium sodium tartrate
Rochelle salt
Seignette salt

CAS

304-59-6

Formula

C4H4KNaO6

Molecular Weight

210.16

EINECS

206-156-8

Merck

12,7840

Beilstein/Gmelin

4630025

Physical and Chemical Properties

Appearance

Colorless crystals.

Solubility in water

Soluble

Melting Point

90-100

Density

1.79 g/cm3 (20 C)

Usage

Sequestrant & general purpose food additive.

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, 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

Nausea, vomiting, abdominal pain, and diarrhea are common. Ischemic colitis has been reported in patients at risk for atherosclerotic disease receiving cathartics for procedural bowel preparation.

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 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

-

Fire Fighting Measures

Fire Fighting

Extinguish fire using water fog. No special precautions necessary when fighting fires involving this product.

Accidental Release Measures

Small spills/leaks

Small Spill - Sweep up material for disposal or recovery. Large Spill - Collect and add slowly to large volume of water.

Stability and Reactivity

Stability

Stable.