Product Name: Bis(Catechol)
Synonyms: 4,4'-Methylenebis(1,2-benzenediol), Methylene bis(catechol)
CAS Number: 2182-36-9
Recommended Use: Research, chemical synthesis
Supplier: Chemical manufacturer or distributor details available on label or purchase records
Emergency Contact: Refer to national poison center or company emergency number provided on label
Classification: Acute Toxicity (Oral), Skin Irritation, Serious Eye Damage, Specific Target Organ Toxicity (Single Exposure)
Label Elements: Hazard pictogram of exclamation mark and health hazard symbol
Signal Word: Warning
Hazard Statements: Harmful if swallowed, causes skin and eye irritation, may cause respiratory irritation
Precautionary Statements: Avoid breathing dust or vapors, wash hands thoroughly after use, wear protective gloves, avoid release to the environment
Other Hazards: May cause staining to the skin, dust may cause mild respiratory tract irritation
Chemical Name: Bis(Catechol)
CAS Number: 2182-36-9
EC Number: 218-532-6
Concentration: 98-100%
Impurities: Typically not present at significant levels
Inhalation: Move the person to fresh air, seek medical attention if breathing becomes difficult
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, seek medical attention for irritation or rash
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses, seek medical help if irritation persists
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical attention
MOST IMPORTANT SYMPTOMS: Skin and eye irritation, gastrointestinal distress, respiratory discomfort if exposed to dust
Suitable Extinguishing Media: Water spray, foam, dry chemical powder, carbon dioxide
Unsuitable Media: Direct water jet may spread burning material
Special Hazards: Combustion may produce toxic fumes of carbon monoxide and carbon dioxide
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective clothing
Specific Methods: Remove containers from fire area if safe, use water spray to cool containers, avoid inhaling smoke
Personal Precautions: Evacuate unnecessary personnel, utilize personal protective equipment including gloves, goggles, mask
Environmental precautions: Prevent further leakage or spillage, do not allow to enter drains, surface water, or soil
Containment: Dike spill to prevent spread, keep away from combustibles
Clean Up Methods: Sweep up and shovel into suitable container for disposal, ventilate area thoroughly, clean spill area with appropriate cleaning agents
Handling: Handle in a well-ventilated space, minimize dust generation, use local exhaust or process enclosure
Hygiene Measures: Wash hands and exposed skin before breaks and at the end of work, avoid eating or drinking while using this product
Storage: Keep containers tightly closed and stored in a cool, dry, well-ventilated area, protect from light and moisture
Incompatible Materials: Strong oxidizing agents, bases, certain metals
Conditions to Avoid: High temperatures, direct sunlight, sources of ignition
Occupational Exposure Limits: No occupational exposure limit established specifically for Bis(Catechol)
Engineering Controls: Use in chemical fume hood or equivalent engineering controls, maintain effective general ventilation
Personal Protective Equipment: Protective gloves made from nitrile or other chemical-resistant material, safety goggles or face shield, laboratory coat or chemical-resistant clothing, respiratory protection when dust or vapor is present
Environmental Controls: Prevent resources from reaching drains or water sources, use closed systems where possible
Appearance: Tan to brown crystalline solid
Odor: Faint, phenolic odor
Odor Threshold: Data not available
pH: Data not available
Melting Point/Freezing Point: Approximately 210 - 215°C (410 - 419°F)
Boiling Point/Range: Decomposes before boiling
Flash Point: Data not available
Evaporation Rate: Not applicable (solid at room temperature)
Flammability: Data not available
Vapor Pressure: Negligible at room temperature
Vapor Density: Not relevant
Solubility: Slightly soluble in water, soluble in organic solvents (ethanol, acetone)
Partition Coefficient: Data not available
Auto-Ignition Temperature: Data not available
Decomposition Temperature: Above 220°C
Viscosity: Not applicable (solid)
Molecular Formula: C14H12O4
Molecular Weight: 244.24 g/mol
Chemical Stability: Stable under recommended storage conditions
Reactive Properties: Reacts with strong oxidizers and bases
Possibility of Hazardous Reactions: Can react with acids to form hazardous decomposition products
Conditions to Avoid: Exposure to heat, open flames, incompatible materials
Incompatible Materials: Strong bases, oxidizing agents, some metals
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, phenolic compounds
Acute Toxicity: Oral toxicity moderate to high, cathechol derivatives can be hazardous if ingested
Skin Corrosion/Irritation: May cause redness, swelling, and irritation with prolonged or repeated contact
Serious Eye Damage/Irritation: Causes pain, redness, blurred vision
Respiratory Sensitization: Inhalation of dust may lead to coughing, sneezing, and difficulty breathing
Carcinogenicity: No clear data, related catechols have possible carcinogenicity concerns
Reproductive Toxicity: No specific data, use caution based on chemical similarity to hazardous phenolic compounds
STOT (Specific Target Organ Toxicity): May cause respiratory and gastrointestinal tract irritation
Symptoms of Overexposure: Skin and mucous membrane irritation, nausea, vomiting, headache
Ecotoxicity: Toxic to aquatic organisms, potential for bioaccumulation
Persistence and Degradability: Slowly biodegradable, breakdown in environment limited by stability
Bioaccumulative Potential: Moderate due to solubility in organic solvents
Mobility in Soil: Low, binds to organic material in soil
Other Adverse Effects: Possible long-term impact on aquatic environments, secondary poisoning for higher-order species
Waste Treatment Methods: Dispose of in accordance with local, regional, and national regulations
Disposal of Contaminated Packaging: Containers should be triple-rinsed and disposed of as hazardous waste
Other Disposal Recommendations: Do not discharge into drains or watercourses, segregate from nonhazardous waste streams
Recycling: Only if permitted and safe, consider chemical recovery by licensed facility
UN Number: Not classified under most global transport systems (consult shipping documents)
Proper Shipping Name: Bis(Catechol) or chemical name listed on label
Transport Hazard Class: Not regulated
Packing Group: Not applicable
Environmental Hazards: Not a marine pollutant by DOT/ADR regulations
Special Precautions for Transport: Protect against physical damage and moisture, ensure containers remain upright and sealed, keep away from food and feedstuffs
TSCA Status: Listed in the United States Toxic Substances Control Act inventory
REACH: Fulfills European requirements for manufacturing/import (if relevant)
Other Regulations: Subject to workplace exposure limits where set, manage and report as hazardous waste as applicable
Labelling Requirements: Hazard communication as per GHS
Restrictions: Usage may be limited for certain applications, especially in pharmaceuticals or food contact materials
