Product Identification

Product Name

2,6-Dithiopurine

Synonyms

1H-Purine-2,6-dithione, 3,7-dihydro-
2,6-Dimercapto-7H-purine
2,6-Dithiopurine
2,6-Dithioxanthine
Dithioxanthine
Xanthine, dithio-

CAS

5437-25-2

Formula

C5H4N4S2

Molecular Weight

184.23

EINECS

226-608-8

RTECS

UO8475000

RTECS Class

Other

Beilstein/Gmelin

152834

Beilstein Reference

4-26-00-02458

Physical and Chemical Properties

Appearance

Slightly brown solid.

Melting Point

>330

Partition Coefficient

1.68

First Aid Measures

Ingestion

Induce vomiting. 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.

Hazards Identification

Ingestion

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

Inhalation

May cause respiratory tract irritation.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

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.

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use water spray, dry chemical, or foam.

Accidental Release Measures

Small spills/leaks

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

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, oxides of nitrogen, oxides of sulfur, carbon dioxide.