Product Identification
【Product Name】Benzyltriphenylphosphonium bromide 苄基三苯基溴化膦
【CAS】1449-46-3
【Formula】C25H22BrP
【Molecular Weight】433.32
【EINECS】215-908-4
【Beilstein/Gmelin】3599867
【Beilstein Reference】4-16-00-00994

Physical and Chemical Properties
【Appearance】Solid.
【Melting Point】299 - 301

First Aid Measures
【Ingestion】If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid. Wash mouth out with 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】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 tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
【Handling】Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Do not allow contact with water. Keep from contact with moist air and steam.

Hazards Identification
【Ingestion】

May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.
【Inhalation】May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. May be harmful if inhaled.
【Skin】May cause skin irritation. May be harmful if absorbed through the skin.
【Eyes】May cause eye irritation.
【EC Risk Phrase】R 20/21/22 36/37/38
【EC Safety Phrase】S 26 36/37/39
【UN (DOT)】3278

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 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
【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. Do NOT get water inside containers.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation. Do not get water inside containers.

Stability and Reactivity
【Incompatibilities】Moisture.
【Stability】Stable under normal shipping and handling conditions.
【Decomposition】Phosphine, carbon monoxide, oxides of phosphorus, carbon dioxide, hydrogen bromide.

Transport Information
【UN Number】3278