Product Identification

Product Name

9H-Purine

Synonyms

6H-Imidazo[4,5-d]pyrimidine
7H-Purine

CAS

120-73-0

Formula

C5H4N4

Molecular Weight

120.11

EINECS

204-421-2

RTECS

UO7450000

RTECS Class

Tumorigen; Mutagen

Merck

12,8129

Beilstein/Gmelin

3200

Beilstein Reference

4-26-00-01736

Physical and Chemical Properties

Appearance

Light yellow powder.

Solubility in water

400 g/L

Boiling Point

265

Vapor Pressure

0.01 (25 C)

Density

1.22 g/cm3

pKa/pKb

11.21 (pKb)

Partition Coefficient

-.71

Heat Of Vaporization

50.3 kJ/mol

Heat Of Combustion

-2709 kJ/mol

Usage

Significant component of may biomolecules.

First Aid Measures

Ingestion

Get medical aid. Wash mouth out with water.

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.

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

Inhalation

May cause respiratory tract irritation.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Ingestion

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

Exposure Controls/Personal Protection

Personal Protection

Skin: Wear appropriate protective 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

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

Fire Fighting Measures

Flash Point

114

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

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, oxides of nitrogen, carbon dioxide.