Product Identification

Product Name

Triphenylphosphine

Synonyms

Tri(phenyl)phosphane
Triphenylphosphorous

CAS

603-35-0

Formula

C18H15P

Molecular Weight

262.27999999999997

EINECS

210-036-0

RTECS

SZ3500000

RTECS Class

Primary Irritant

Merck

12,9873

Beilstein/Gmelin

610776

Beilstein Reference

4-16-00-00951

EC Class

harmful, sensitizing, dangerous for the environment

Physical and Chemical Properties

Appearance

White crystals.

Solubility in water

Insoluble

Melting Point

79

Boiling Point

377

Vapor Pressure

1.13E-07 (20 C)

Density

1.194 g/cm3

Heat Of Vaporization

96.20 kJ/mol

Heat Of Combustion

-10295 kJ/mol

Usage

Organic synthesis, polymerization initiator.

Vapor Density

9

Refractive Index

1.5918 (20 C)

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

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

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

Handling and Storage

Storage

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

Handling

Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.

Hazards Identification

Ingestion

May cause effects similar to those for inhalation exposure. May be harmful if swallowed.

Inhalation

May cause respiratory tract irritation. May cause neurotoxic effects including paresthesia.

Skin

May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.

Eyes

May cause eye irritation.

EC Risk Phrase

R 48/20/22 43 50/53

EC Safety Phrase

S 22 24

UN (DOT)

3077

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 to prevent skin exposure. Clothing: Wear appropriate protective gloves and clothing to prevent skin exposure.

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.

Poison Class

4

Fire Fighting Measures

Flash Point

180

Fire Fighting

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

Lower exp. limit

.5

Fire Potential

This compound is combustible.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Disposal Code

3

Incompatibilities

Oxidizing agents, acids.Slight explosion hazard in the form of vapor when exposed to flame.

Stability

Stable under normal temperatures and pressures.

Decomposition

Phosphine, carbon monoxide, oxides of phosphorus, carbon dioxide.

Transport Information

UN Number

3077

HS Code

2931 00 95