Product Identification

Product Name

Cupric bromide

Synonyms

Copper bromide
Copper dibromide
Cupric bromide

CAS

7789-45-9

Formula

Br2Cu

Molecular Weight

223.35

EINECS

232-167-2

Merck

13,2656

Beilstein/Gmelin

9283 (G)

Physical and Chemical Properties

Appearance

Odorless, blue gray crystals.

Solubility in water

Very soluble

Melting Point

498

Boiling Point

900

Density

4.77 g/cm3 (25 C)

Usage

As intensifier in photography, as brominating agent in organic synthesis, as humidity indicator, as wood preservative, in solid electrolyte battery, as stabilizer for acetylated polyformaldehyde.

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.

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. Get medical aid.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container.

Handling

Wash thoroughly after handling. Wash hands before eating. Use only in a well ventilated area. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

Dust is irritating to the respiratory tract. May cause severe irritation of the upper respiratory tract with pain, burns, and inflammation.

Skin

Causes skin irritation.

Eyes

Causes eye irritation.

Ingestion

Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May cause blood abnormalities. Ingestion of large amounts of copper salts may cause bloody stools and vomit, low blood pressure, jaundice and coma.

Hazards

Irritating hydrogen bromide gas may form in fire.

EC Risk Phrase

R 22 34

EC Safety Phrase

S 26 36/37/39 45

UN (DOT)

1759

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

May cause liver and kidney damage. Chronic ingestion may cause bromism characterized by disturbances of the central nervous system, skin and digestive tract.

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. Substance is noncombustible. Extinguishing media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire.

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.

Stability and Reactivity

Incompatibilities

Moisture, potassium, and alkali metals.

Stability

Stable under normal temperatures and pressures.

Decomposition

Irritating and toxic fumes and gases, hydrogen bromide, copper fumes.

Combustion Products

Irritating hydrogen bromide gas may form in fire.

Transport Information

UN Number

1759