Product Identification
【Product Name】2,5-Dibromopyridine 2,5-二溴吡啶
【CAS】624-28-2
【Formula】C5H3Br2N
【Molecular Weight】236.9
【EINECS】210-839-6
【Beilstein/Gmelin】109099
【Beilstein Reference】5-20-05-00435
【EC Class】irritant

Physical and Chemical Properties
【Appearance】Brown solid.
【Solubility in water】Insoluble
【Melting Point】90 - 93
【Boiling Point】234 - 235

First Aid Measures
【Ingestion】Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or 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. Wash clothing before reuse.
【Eyes】Immediately 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. Keep container closed when not in use. Keep containers tightly closed.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Wash clothing before reuse.

Hazards Identification
【Ingestion】Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
【Inhalation】Causes respiratory tract irritation with possible burns.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation.
【EC Risk Phrase】R 20/21/22 36/37/38
【EC Safety Phrase】S 26 36/37/39
【UN (DOT)】2811

Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear natural rubber gloves, apron, and/or clothing. Clothing: Wear natural rubber gloves, apron, and/or clothing.
【Respirators】Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.

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.

Accidental Release Measures
【Small spills/leaks】Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity
【Disposal Code】3
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents.
【Decomposition】Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, hydrogen bromide, nitrogen.

Transport Information
【UN Number】2811
【HS Code】2933 39 99