Product Identification

Product Name

Triphenylethylene

Synonyms

1,2-Di(phenyl)ethenylbenzene
Benzene, 1,1',1''-(1-ethenyl-2-ylidene)tris
Benzilidenediphenylmethane

CAS

58-72-0

Formula

C20H16

Molecular Weight

256.35000000000002

EINECS

200-395-1

RTECS

KX4920000

RTECS Class

Tumorigen; Reproductive Effector

Beilstein/Gmelin

1867462

Beilstein Reference

4-05-00-02575

Physical and Chemical Properties

Appearance

White powder.

Solubility in water

Insoluble

Melting Point

67 - 70

Boiling Point

358

Vapor Pressure

5E-5 (25 C)

Density

1.0373 g/cm3 (78.4 C)

Partition Coefficient

7

Heat Of Vaporization

58.0 kJ/mol

Refractive Index

1.6292 (78 C)

First Aid Measures

Ingestion

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

Inhalation

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

Skin

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

Handling and Storage

Storage

Store in a cool, dry place. Keep container closed when not in use.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Skin

May cause burns.

Eyes

See Skin.

EC Safety Phrase

S 22 24/25

UN (DOT)

1325

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.

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

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

Fire Fighting Measures

Flash Point

165

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: Use agent most appropriate to extinguish fire.

Upper exp. limit

5.3

Lower exp. limit

.4

Fire Potential

Flammable/combustible material. May be ignited by friction, heat, sparks or flames.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment.

Stability and Reactivity

Disposal Code

3

Incompatibilities

Avoid contact with strong oxidants

Stability

Stable under normal temperatures and pressures.

Decomposition

Irritating and toxic fumes and gases.

Combustion Products

Fire may produce irritating and/or toxic gases.

Transport Information

UN Number

1325

Hazard Class

4.1

Packing Group

II; III

HS Code

2902 90 80