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Name: 10-Azaanthracene
Chemical Formula: C13H9N
Other Names: Azanaphthalene, Azaanthracene
Form: Yellowish to brown crystalline solid
Odor: Faint aromatic
Common Use: Intermediate in organic synthesis, research reagent in organic chemistry
Hazard Class: Not classified as acutely hazardous, but exposure can cause irritation
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Potential Health Effects: Irritation to respiratory system and eyes. Prolonged skin contact may cause redness and discomfort. Dust and fine particles can irritate throat and lungs if inhaled in a poorly ventilated lab.
Environmental Hazard: Compounds with heterocyclic structures sometimes display persistence in soil and water, though specific long-term environmental risk remains under-studied for this molecule.
Main Ingredient: 10-Azaanthracene (C13H9N) typically over 98% purity in laboratory grade
Common Impurities: Trace polycyclic aromatic hydrocarbons, by-products from synthesis
Physical Form: Crystalline powder
Inhalation: Remove to fresh air. Seek medical help if coughing or breathing problems develop.
Skin Contact: Wash thoroughly with water and mild soap. Remove contaminated clothing. Seek care for irritation.
Eye Contact: Flush eyes with plenty of water for several minutes. Remove contact lenses if present. Get medical attention if irritation persists.
Ingestion: Rinse mouth thoroughly. Drink water to dilute and consult a healthcare professional. Do not induce vomiting without advice.
Extinguishing Media: Water spray, dry powder, foam, or carbon dioxide
Hazardous Combustion Products: Nitrogen oxides, carbon monoxide, carbon dioxide
Precautions for Firefighters: Use protective clothing and self-contained breathing apparatus. Avoid inhaling smoke or fumes.
Thermal Decomposition: Produces hazardous gases under fire conditions. Fine dust scattered in air can create explosion risk under intense heat.
Personal Precautions: Wear gloves, protective clothing, and eye protection. Ventilate area to prevent accumulation of dust.
Environmental Precautions: Do not allow to enter drains or waterways as compounds like these linger in aquatic sediment for extended periods.
Cleanup Methods: Scoop up, avoid raising dust. Dispose in appropriate, clearly marked containers for chemical waste.
Advice for Non-Emergency Personnel: Limit access to the spill area. Do not touch or walk through spilled material.
Precautions: Avoid dust formation and breathing in particles. Handle in well-ventilated space, preferably under a chemical hood.
Safe Storage Conditions: Keep container tightly closed in a cool, dry, well-ventilated place. Store away from incompatible chemicals, such as strong oxidizing agents.
Incompatible Materials: Strong acids, oxidizers. Such combinations risk dangerous reactions or degradation.
Hygiene Guidance: Wash hands and equipment thoroughly after handling. Remove contaminated clothing promptly.
Exposure Limits: No established OSHA or NIOSH exposure limit, but caution makes sense.
Engineering Controls: Use local exhaust or chemical fume hood for operations that can generate dust.
Personal Protection: Nitrile gloves, safety glasses or goggles, lab coat, and mask or respirator for high concentrations. Eye wash stations should be close to work area.
Environmental Control: Prevent dust from escaping into the wider lab or sewage system.
Appearance: Solid, crystalline, yellowish to brown color
Odor: Mild aromatic
Molecular Weight: 179.22 g/mol
Melting Point: Around 102-104°C
Boiling Point: Data limited; compound decomposes before boiling
Solubility: Sparingly soluble in water, more soluble in organic solvents such as ethanol, acetone, and DMSO
Vapor Pressure: Negligible under ordinary conditions
pH: Not applicable for solids
Chemical Stability: Stable under recommended storage and handling conditions.
Incompatible Materials: Strong acids and oxidizing agents
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, potentially toxic nitrogen compounds
Polymerization: Not known to undergo hazardous polymerization
Conditions to Avoid: High heat, open flames, prolonged exposure to moisture
Likely Routes of Exposure: Inhalation of dust, skin and eye contact, accidental ingestion
Short-Term Effects: Throat and eye irritation, skin discomfort, coughing
Long-Term Effects: No chronic toxicity studies found, but related aromatic heterocycles can cause allergic reactions or respiratory issues after repeated exposure
Acute Toxicity Data: Lack of definitive animal or epidemiological studies specific to this compound; by comparison, similar molecules rarely cause severe acute effects in small amounts
Carcinogenicity: No listings or evidence for this specific compound, though polycyclic compounds often require extra caution due to possible long-term risks
Environmental Persistence: Likely to persist in soils and water due to aromatic heterocycle structure
Aquatic Toxicity: No direct study results for this compound, but structurally similar molecules harm aquatic life if concentrations become high
Other Environmental Hazards: Limited data, but general advice to prevent release outside controlled facilities seems prudent given uncertain long-term effects
Biodegradability: Aromatic compounds notoriously break down slowly and can accumulate, underlining reason for careful disposal
Waste Management: Gather waste and contaminated containers for pickup by certified hazardous waste contractor. Avoid pouring down drains or mixing with other chemical wastes.
Container Disposal: Rinse and dispose per local regulations. Even small residues can cause problems, so thoroughness is important.
Special Precautions: Always follow local, state, and national guidelines for chemical waste. Labels need to be clear and stored out of routine traffic areas.
UN Number: Not officially listed under standard dangerous goods regulations
Transport Hazards: Not classed as a dangerous good by common shipment guidelines. Avoid rough handling to prevent spills.
Packaging: Securely sealed, cushioned containers; adequate labeling for hazard communication
Precautions: Keep away from food or drink during shipping. Avoid extreme temperatures that could affect packaging.
Regulatory Status: Not listed as a hazardous material under key international frameworks, though local chemical handling rules still apply.
Lab Environments: Standard chemical safety protocols apply, with required PPE and ventilation.
Employer Responsibility: Maintain up-to-date training, access to eyewash and showers, and clear labeling of all chemical containers.
Emergency Planning: Facilities handling this compound should review chemical hygiene plans regularly and conduct spill response drills.
Inventory Reporting: As with all research chemicals, maintain records of purchase, storage, use, and disposal for compliance checks.
