Product Identification

Product Name

Benzophenone

Synonyms

Benzoylbenzene
Di(phenyl)methanone
Diphenyl ketone
Phenyl ketone

CAS

119-61-9

Formula

C13H10O

Molecular Weight

182.22

EINECS

204-337-6

RTECS

DI9950000

RTECS Class

Tumorigen; Mutagen

Merck

13,1099

Beilstein/Gmelin

1238185

Beilstein Reference

4-07-00-0137

EC Class

dangerous for the environment

Physical and Chemical Properties

Appearance

White solid with a flowery odor.

Solubility in water

Insoluble

Melting Point

47 - 49

Boiling Point

305.4

Vapor Pressure

0.004 (40 C)

Density

1.085 g/cm3 (20 C)

Heat Of Vaporization

76.7 kJ/mol

Heat Of Combustion

-6523 kJ/mol

Usage

Fixative for heavy perfumes, such as geranium new-mown hay, especially when used in soaps. In the manufacture of antihistamines, hypnotics, insecticides.

Vapor Density

6.3

Refractive Index

1.5975 (20 C)

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

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

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.

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 tightly closed container. Keep from contact with oxidizing materials. Store in a cool, dry area away from incompatible substances.

Handling

Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

Causes respiratory tract irritation.

Skin

Causes skin irritation. Animal feeding studies have resulted in liver and bone marrow damage.

Eyes

Causes eye irritation.

Ingestion

Ingestion of large amounts may cause gastrointestinal irritation. The toxicological properties of this substance have not been fully investigated.

EC Risk Phrase

R 50/53

EC Safety Phrase

S 22 24/25

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

Exposure Effects

Animal feeding studies have resulted in liver and bone marrow damage.

Poison Class

4

Fire Fighting Measures

Flash Point

150

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Upper exp. limit

5.4

Lower exp. limit

.7

Fire Potential

Slight fire hazard when heated. Can react with oxidizing materials.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions.

Stability and Reactivity

Disposal Code

3

Stability

Stable under normal shipping and handling conditions.

Incompatibilities

Strong oxidizing agents and strong reducing agents.

Decomposition

Carbon monoxide, carbon dioxide, acrid smoke and fumes.

Transport Information

UN Number

3077

HS Code

2914 39 00