Product Identification

Product Name

Bis(4-fluorophenyl)-methanone

Synonyms

4,4'-Difluorobenzophenone
Bis(4-fluorophenyl) ketone
Bis(4-fluorophenyl)methanone
Bis(p-fluorophenyl) ketone
p,p'-Difluorobenzophenone

CAS

345-92-6

Formula

C13H8F2O

Molecular Weight

218.2

EINECS

206-466-3

RTECS

DJ0685000

RTECS Class

Other

Beilstein/Gmelin

516231

Beilstein Reference

4-07-00-01374

Physical and Chemical Properties

Appearance

White to off-white solid.

Solubility in water

Insoluble

Melting Point

140 - 141

Boiling Point

170 - 172 (10 torr)

Density

1.39 g/cm3

Vapor Density

7.5

First Aid Measures

Ingestion

Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.

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. Wash clothing before reuse.

Eyes

In case of contact with substance, immediately flush with running water for at least 20 minutes.

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. Keep container tightly closed. Avoid ingestion and inhalation. Wash clothing before reuse.

Hazards Identification

Ingestion

The toxicological properties of this substance have not been fully investigated. Causes gastrointestinal tract irritation.

Inhalation

Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.

Skin

Causes skin irritation. The toxicological properties of this material have not been fully investigated.

Eyes

Causes eye irritation. The toxicological properties of this material have not been fully investigated.

Hazards

May explode from heat or contamination. May react explosively with hydrocarbons (fuels). May ignite combustibles.

EC Risk Phrase

R 36/37/38

EC Safety Phrase

S 26 36

UN (DOT)

1479

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective gloves, clothing and goggles.

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. A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.

Fire Fighting Measures

Fire Fighting

Small Fires: Use water. Do not use dry chemicals or foams. carbon dioxide or Halon may provide limited control. Large Fires: Flood fire area with water from a distance.

Fire Potential

These substances will accelerate burning when involved in a fire.

Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents - strong reducing agents.

Decomposition

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, hydrogen fluoride.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

1479

Hazard Class

5.1

Packing Group

I; II; III