Product Identification
【Product Name】Benzeneboronic acid
【Synonyms】Phenylboric acid　　苯硼酸
【CAS】98-80-6
【Formula】C6H7BO2
【Molecular Weight】121.93
【EINECS】202-701-9
【RTECS】CY8575000
【RTECS Class】Organometallic
【Merck】13,1068
【Beilstein/Gmelin】970972
【Beilstein Reference】4-16-00-01654
【EC Class】harmful

Physical and Chemical Properties
【Appearance】White to off-white solid.
【Solubility in water】Slightly soluble
【Melting Point】217~220℃
【pKa/pKb】8.63 (pKa)
【Usage】Organic synthesis.

First Aid Measures
【Ingestion】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 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.
【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】Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing.

Hazards Identification
【Ingestion】Harmful if swallowed. May cause irritation of the digestive tract.
【Inhalation】May cause respiratory tract irritation.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
【EC Risk Phrase】R 22 36/37/38
【EC Safety Phrase】S 26 36/37/39

Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear chemical ggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
【Respirators】A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.

Fire Fighting Measures
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Can burn in a fire, releasing toxic vapors. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity
【Disposal Code】3
【Stability】No data.
【Incompatibilities】Strong oxidizing agents, moisture.
【Decomposition】Carbon monoxide, carbon dioxide, oxides of boron.

Transport Information
【HS Code】2931 00 95