Product Identification

Product Name

Dibenz[de,kl]anthracene

Synonyms

Dibenz[de,kl]anthracene
peri-Dinaphthalene

CAS

198-55-0

Formula

C20H12

Molecular Weight

252.32

EINECS

205-900-9

RTECS

SE3794000

RTECS Class

Tumorigen; Mutagen

Merck

12,7325

Beilstein/Gmelin

1911335

Beilstein Reference

4-05-00-02689

Physical and Chemical Properties

Appearance

Yellow to colorless crystals from toluene.

Solubility in water

Insoluble

Melting Point

273 - 278

Boiling Point

443

Vapor Pressure

0.0001 (124 C)

Density

1.362 g/cm3

Partition Coefficient

5.82

Usage

Used in the manufacture of organic semiconductors.

First Aid Measures

Ingestion

Get medical aid. Wash mouth out with water.

Inhalation

Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.

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.

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

Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.

Hazards Identification

Inhalation

May cause respiratory tract irritation.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Ingestion

Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea.

EC Risk Phrase

R 40

EC Safety Phrase

S 22 36/37

UN (DOT)

2811

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.

Respirators

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

Exposure Effects

May cause cancer according to animal studies.

Poison Class

1*

Fire Fighting Measures

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.

Accidental Release Measures

Small spills/leaks

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

Stability and Reactivity

Disposal Code

3

Stability

photo-oxidizable in the presence of acids.

Incompatibilities

Strong oxidizing agents

Decomposition

Carbon monoxide, carbon dioxide.

Transport Information

UN Number

2811

HS Code

2902 90 80