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Product Name: Phenylboronic Acid
Chemical Formula: C6H7BO2
Synonyms: Benzeneboronic acid, Boronic acid, phenyl-, Phenylboronate
CAS Number: 98-80-6
Recommended Use: Laboratory chemical, research chemical, synthesis applications
Manufacturer/Supplier: Refer to label or supplier information
Contact Number: Emergency response information located on product packaging
GHS Classification: Eye irritation - Category 2A, Skin irritation - Category 2, Specific target organ toxicity (single exposure) - Category 3
Signal Word: Warning
Hazard Statements: Causes skin irritation, Causes serious eye irritation, May cause respiratory irritation
Precautionary Statements: Avoid breathing dust or vapors, Use only outdoors or in well-ventilated area, Wear protective gloves/eye protection
Chemical Name: Phenylboronic Acid
Synonyms: Benzeneboronic acid
CAS Number: 98-80-6
Purity: ≥98%
Impurities: Trace levels of moisture or related boronic acids possible, depending on handling and storage
Inhalation: Move affected person to fresh air, keep at rest, seek medical attention if symptoms develop
Ingestion: Rinse mouth with water, do not induce vomiting, call a physician immediately if feeling unwell
Skin Contact: Wash skin thoroughly with soap and water, remove contaminated clothing, seek medical advice if irritation persists
Eye Contact: Rinse slowly and gently with water for at least fifteen minutes, keep eyelids open, consult a medical professional quickly
Suitable Extinguishing Media: Water spray, carbon dioxide, dry chemical powder, appropriate foam
Unsuitable Extinguishing Media: Direct stream of water on burning material
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, boron oxides
Special Protective Equipment: Wear full protective gear and self-contained breathing apparatus
Firefighting Procedures: Prevent runoff from entering drains or waterways, move containers from fire area if safe
Personal Precautions: Use personal protective equipment, ventilate area, avoid dust formation
Environmental Precautions: Prevent further spillage if safe, avoid discharge into drains and waterways
Methods for Clean Up: Sweep or scoop up spilled material, transfer to a suitable container for disposal, wash spill site with water and detergent
Safe Handling Recommendations: Avoid inhaling dust, ensure adequate ventilation, prevent contact with skin and eyes
Storage Requirements: Keep container tightly closed, store in cool, dry, well-ventilated location, keep away from sources of ignitions and incompatible substances (strong oxidizers, bases)
Incompatibilities: Strong oxidizing agents, strong bases, can react to release heat or hazardous gases
Engineering Controls: Operate in a chemical fume hood or area with proper exhaust ventilation
Personal Protective Equipment: Chemical-resistant gloves, safety goggles or face shield, lab coat, use of a dust mask or respirator for potential dust exposure
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing and wash before reuse, avoid contact with skin, eyes, and clothing
Appearance: White to off-white solid, crystalline powder
Odor: Almost odorless
Molecular Weight: 121.93 g/mol
Melting Point: 216–221°C
Boiling Point: Not available (decomposes)
Solubility: Slightly soluble in cold water, soluble in hot water, soluble in most organic solvents
pH (at solution): Slightly acidic
Vapor Pressure: Negligible at room temperature
Partition Coefficient (log P): 1.19
Flash Point: Not applicable
Autoignition Temperature: Not determined
Chemical Stability: Stable under recommended handling and storage conditions
Reactivity: No dangerous reactivity expected under normal conditions
Hazardous Reactions: May react with strong oxidizers or bases
Decomposition Products: Generates boron oxides, carbon monoxide and carbon dioxide upon decomposition
Conditions to Avoid: Heat, sparks, open flame, incompatible materials, moisture
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity Data: Oral LD50 (rat): >2000 mg/kg
Skin Corrosion/Irritation: Causes moderate skin irritation on contact
Eye Damage/Irritation: Causes serious irritation with possible redness and watering
Respiratory Effects: Dust can cause irritation of nose and throat
Carcinogenicity: Not listed by IARC, NTP, or OSHA as a carcinogen
Other Effects: Prolonged or repeated exposure may cause mild effects on kidneys or respiratory system in susceptible individuals
Ecotoxicity: No data available for acute aquatic toxicity, expected to have low toxicity based on related boronic compounds
Biodegradation: May be slowly biodegradable in soil and water
Bioaccumulative Potential: Low, based on partition coefficient
Mobility in Soil: May migrate through soil slowly; limited data available
Other Adverse Effects: Avoid release to the environment, effects on aquatic life not fully known
Waste Treatment Methods: Dispose of contents/container in compliance with local, regional, and national regulations
Recommended Disposal: Incineration in permitted facility or chemical landfill if allowed by guidelines
Environmental Precautions: Do not discharge waste into drains, surface water, or soil
UN Number: Non-regulated material
UN Proper Shipping Name: Not regulated for transport
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Special Transport Precautions: Protect from moisture, avoid exposure to heat and direct sunlight during transit, keep tightly sealed in original container
United States (OSHA HCS): Classified as hazardous
TSCA Status: Listed
EU Regulation (REACH): Registration required for manufacture or import above one ton per year
Canadian DSL/NDSL: Listed
SARA Title III: Not subject to reporting
California Proposition 65: Not listed
Other National Inventories: Check local regulatory lists for country-specific compliance
