Product Identification

Product Name

4,6-Dichloropyrimidine

Synonyms

Pyrimidine, 4,6-dichloro-

CAS

1193-21-1

Formula

C4H2Cl2N2

Molecular Weight

148.97

EINECS

214-770-2

Beilstein/Gmelin

111195

Beilstein Reference

5-23-05-00346

Physical and Chemical Properties

Appearance

Solid.

Solubility in water

Slightly soluble

Melting Point

64 - 66

Boiling Point

176

Vapor Pressure

1.5 (25 C)

Density

1.734 g/cm3

Partition Coefficient

1.29

Heat Of Vaporization

39.5 kJ/mol

First Aid Measures

Ingestion

Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.

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 immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Immediately 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. Corrosives area.

Handling

Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.

Hazards Identification

Ingestion

Causes gastrointestinal tract burns.

Inhalation

Causes chemical burns to the respiratory tract.

Skin

Causes skin burns.

Eyes

Causes eye burns. Lachrymator.

EC Risk Phrase

R 34 36/37

EC Safety Phrase

S 26 36/37/39 45

UN (DOT)

3261

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.

Fire Fighting Measures

Flash Point

105

Fire Fighting

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

Accidental Release Measures

Small spills/leaks

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

Stability and Reactivity

Stability

No data.

Incompatibilities

Strong oxidizing agents, acids, acetic anhydride, acid chlorides, carbon dioxide.

Decomposition

Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide.

Transport Information

UN Number

3261