Product Identification

Product Name

Inositol hexaphosphoric acid

Synonyms

(2,3,4,5,6-Pentaphosphonooxycyclohexyl) dihydrogen phosphate
Alkalovert
Fytic acid
Inositol hexaphosphate
myo-Inositol hexakis(phosphate)
myo-Inositol, hexakis(dihydrogen phosphate)

CAS

83-86-3

Formula

C6H18O24P6

Molecular Weight

660.04

EINECS

201-506-6

RTECS

NM7525000

RTECS Class

Other

Merck

12,7542

Beilstein/Gmelin

2201952

Beilstein Reference

4-06-00-07927

Physical and Chemical Properties

Appearance

Clear, yellow liquid.

Solubility in water

Miscible

Density

1.282 g/cm3 (20 C)

pKa/pKb

1.13 (pKa)

Usage

Complexing agent for the removal of traces of heavy metal ions (also employed as the sodium salt). It acts also as a hypocalcemic agent.

First Aid Measures

Ingestion

Get medical aid. Wash mouth out with water.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container.

Handling

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Hazards Identification

Inhalation

Causes irritation.

Skin

Causes irritation.

Eyes

Causes irritation.

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate safety goggles, protective clothing and gloves.

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.

Exposure Effects

The toxological properties of this substance have not been fully investigated.

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures

Small spills/leaks

Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.

Stability and Reactivity

Incompatibilities

Keep away from strong oxidizing agents.

Stability

No data.

Decomposition

Phosphine, carbon monoxide, oxides of phosphorus, carbon dioxide are produced upon decomposition.