Product Identification

Product Name

2,4-Dihydroxy-5-iodopyrimidine

Synonyms

2,4(1H,3H)-Pyrimidinedione, 5-iodo-
5-Iodo-1H-pyrimidine-2,4-dione
5-Iodo-2,4-dihydroxypyrimidine

CAS

696-07-1

Formula

C4H3IN2O2

Molecular Weight

237.98

EINECS

211-788-2

RTECS

YR0525000

RTECS Class

Other

Beilstein/Gmelin

4891

Beilstein Reference

5-24-06-00344

Physical and Chemical Properties

Appearance

White solid.

Solubility in water

Slightly soluble

Melting Point

270-274

Boiling Point

401

pKa/pKb

5.88 (pKb)

Partition Coefficient

-.11

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

Inhalation

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

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 immediately.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container. Refrigerator (approx 4 C).

Handling

Avoid contact with skin and eyes. Avoid ingestion and inhalation. Store protected from light. Use only in a chemical fume hood.

Hazards Identification

Inhalation

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

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Ingestion

May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.

EC Safety Phrase

S 22 24/25

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 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

Prolonged or repeated exposure may cause adverse reproductive effects.

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

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Nitrogen oxides, carbon monoxide, carbon dioxide, hydrogen iodide.