Product Identification

Product Name

Caesium chloride

CAS

7647-17-8

Formula

ClCs

Formula

CsCl

Molecular Weight

168.36

EINECS

231-600-2

RTECS

FK9625000

RTECS Class

Mutagen; Reproductive Effector

Merck

13,2021

Beilstein/Gmelin

13675 (G)

Physical and Chemical Properties

Appearance

white cubic crystals, hygroscopic

Solubility in water

1860 g/L (20 C)

Melting Point

646

Boiling Point

1303

Vapor Pressure

12.991 (894 C)

Density

3.7808 g/cm3

Heat Of Vaporization

186.7 kJ/mol

Usage

Substance is used in the final evacuation of radio and television vacuum tubes.

Vapor Density

5.8

First Aid Measures

Ingestion

Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. 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. Wash clothing before reuse.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid.

Handling and Storage

Storage

Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. Store protected from moisture.

Handling

Wash hands before eating. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Wash clothing before reuse.

Hazards Identification

Ingestion

Ingestion of large amounts may cause gastrointestinal irritation.

Inhalation

May cause respiratory tract irritation. Low hazard for usual industrial handling.

Skin

May cause skin irritation. Low hazard for usual industrial handling.

Eyes

May cause eye irritation. Dust may cause mechanical irritation.

EC Risk Phrase

R 40

EC Safety Phrase

S 22 36/37

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 gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.

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.

Poison Class

4

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use agent most appropriate to extinguish fire. Do NOT get water inside containers.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. Do not get water inside containers.

Stability and Reactivity

Disposal Code

28

Incompatibilities

Incompatible with bromine trifluoride.

Stability

Stable at room temperature in closed containers under normal storage and handling conditions.

Decomposition

Chlorine, none, chloride fumes.

Transport Information

HS Code

2827 39 80