Product Identification
【Product Name】Tetraphenylboron sodium
【Synonyms】四苯硼钠
【CAS】143-66-8
【Formula】C24H20BNa
【Molecular Weight】342.23
【EINECS】205-605-5
【RTECS】ED3362500
【RTECS Class】Other
【Merck】12,8839
【Beilstein/Gmelin】3599783
【Beilstein Reference】4-16-00-01624
【EC Class】harmful

Physical and Chemical Properties
【Appearance】White solid.
【Solubility in water】Soluble
【Melting Point】>400℃
【Density】1.15 g/cm3
【Usage】Used as a reagent for determination of potassium, ammonium, rubidium and cesium ions.

First Aid Measures
【Ingestion】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 immediately.
【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.
【Eyes】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 tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Do not ingest or inhale.

Hazards Identification
【Ingestion】Harmful if swallowed. The toxicological properties of this substance have not been fully investigated. May cause central nervous system effects.
【Inhalation】May cause respiratory tract irritation.
【Skin】May cause skin irritation.
【Eyes】Causes eye irritation.
【Hazards】Containers may explode when heated.
【EC Risk Phrase】R 21 25 36/37/38
【EC Safety Phrase】S 22 26 36/37/39 45
【UN (DOT)】2019

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. Extinguishing media: Use water spray, dry chemical, or carbon dioxide.
【Fire Potential】Combustible material: may burn but does not ignite ily.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity
【Disposal Code】3
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents, light.
【Decomposition】Carbon monoxide, carbon dioxide, oxides of boron.
【Combustion Products】Fire may produce irritating, corrosive and/or toxic gases.

Transport Information
【UN Number】2019
【Hazard Class】6.1
【Packing Group】II
【HS Code】2931 00 95