Product Identification

Product Name

Diisopropyl phosphite

Synonyms

Diisopropyl hydrogen phosphite
Diisopropyl phosphite
Diisopropylphosphonate
Dipropan-2-yl hydrogen phosphite
O,O-Diisopropyl phosphonate

CAS

1809-20-7

Formula

C6H15O3P

Molecular Weight

166.15

EINECS

217-317-7

RTECS

SZ7660000

RTECS Class

Mutagen

Beilstein/Gmelin

1703675

Beilstein Reference

4-01-00-01475

Physical and Chemical Properties

Appearance

Clear, colorless liquid. With a stench.

Boiling Point

72

Density

1.0159 g/cm3 (0 C)

Vapor Density

5.73

Refractive Index

1.4083 (20 C)

First Aid Measures

Ingestion

Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.

Inhalation

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

Skin

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

Eyes

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage

Storage

Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. Store protected from moisture.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Do not ingest or inhale. Do not allow contact with water. Keep from contact with moist air and steam. Do not breathe vapors.

Hazards Identification

Inhalation

May be harmful if inhaled. May cause headache, nausea, and vomiting.

Skin

Causes skin irritation.

Eyes

Causes eye irritation. May cause chemical conjunctivitis.

Ingestion

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause headache. May be harmful if swallowed.

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Exposure Effects

Chronic exposure may cause blood effects.

Fire Fighting Measures

Flash Point

> 112

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Do NOT get water inside containers. In case of fire, use carbon dioxide, dry chemical powder or appropriate foam.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Cover with sand, dry lime or soda ash and place in a closed container for disposal. Provide ventilation. Do not get water inside containers.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures. May decompose on exposure to moist air or water.

Incompatibilities

Strong oxidizing agents, strong acids, strong bases, acid chlorides, moisture, water.

Decomposition

Phosphine, carbon monoxide, oxides of phosphorus, irritating and toxic fumes and gases, carbon dioxide.