Substance: Phenazine
Chemical Name: Phenazine
SYNONYMS: 1,10-Phenanthridine
CAS Number: 92-82-0
Recommended Use: Research and synthesis reagent
Supplier: Chemical supply companies; check label for source details
Emergency Number: Refer to local emergency contacts printed on supplier packaging
Classification: Acute Toxicity (Oral, Inhalation, Dermal); Skin and Eye Irritant; Environmental Hazard
Signal Word: Warning
Hazard Statements: Harmful if swallowed or inhaled, causes skin irritation, may cause respiratory irritation
Pictograms: Exclamation mark, environmental hazard symbol
Precautionary Statements: Avoid breathing dust or fumes, wear protective gloves and eye protection, handle in a well-ventilated area
Potential Health Effects: Inhalation can irritate respiratory tract, contact with skin and eyes causes redness and burning; ingestion can trigger nausea and abdominal pain
Chemical Name: Phenazine
Concentration: Above 98% pure in laboratory-grade material
Impurities: Typically minor, but check supplier batch info; potential trace organic byproducts
Molecular Formula: C12H8N2
Molecular Weight: 180.21 g/mol
Inhalation: Move person to fresh air, keep comfortable and seek medical help for breathing trouble
Skin Contact: Remove any contaminated clothing, wash affected skin with soap and plenty of water
Eye Contact: Flush eyes using water for at least 15 minutes; get medical attention
Ingestion: Rinse mouth, do not induce vomiting, get urgent medical attention
Note to Physicians: Treat symptomatically; monitor for allergic reactions or respiratory distress
Suitable Extinguishing Media: Use dry powder, carbon dioxide, or foam extinguishers; avoid direct water stream on product
Hazards from Combustion: Can give off toxic fumes containing nitrogen oxides and carbon oxides
Special Protective Equipment: Firefighters must use self-contained breathing apparatus and full protective gear
Advice for Firefighters: Approach fire from upwind side; prevent run-off from entering drains or sewers
Personal Precautions: Wear gloves, lab coat, chemical safety goggles, and dust mask or respirator if dust present
Environmental Precautions: Avoid discharge into environment, especially drains and waterways
Spill Containment: Sweep up while avoiding dust, use damp cloths or absorbent material for collection
Cleanup Method: Place in a closed, labeled container for disposal as hazardous waste
Handling: Avoid direct contact or inhalation, use within a fume hood or well-ventilated room
Storage Conditions: Store tightly sealed in original container, away from light and incompatible substances
Incompatibles: Strong oxidizing agents, acids, and strong bases
Storage Temperature: Room temperature, out of direct sunlight
Keep Out of Reach: Children, unauthorized personnel or animals
Occupational Limits: No specific exposure limits set by OSHA or ACGIH, but keep levels as low as possible
Engineering Controls: Use local exhaust ventilation or chemical fume hood; never work with open powder near food or drink
Personal Protection: Nitrile gloves, chemical splash goggles, lab coat; NIOSH-approved respirator if airborne dust is likely
Hygiene Measures: Wash hands thoroughly after use, remove contaminated clothing and wash before reuse
Appearance: Yellow to greenish crystalline powder
Odor: Faint, aromatic
Melting Point: 173–174°C
Boiling Point: Sublimes without melting at standard pressure
Solubility: Insoluble in water, soluble in ethanol and organic solvents
Vapor Pressure: Negligible at room temperature
Density: About 1.25 g/cm³
pH: Not applicable in solid state
Chemical Stability: Stable under normal handling and storage;
Reactivity: No hazardous reactions expected with most materials
Incompatible Materials: Avoid mixing with strong oxidizers or acids
Hazardous Decomposition Products: Burning may release toxic fumes like nitrogen oxides, carbon monoxide/dioxide
Conditions to Avoid: Extreme heat, sparks, open flame, direct sunlight
Likely Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: LD50 (oral, rat) around 700 mg/kg; irritation to skin, mucous membranes, eyes
Symptoms: Coughing, dizziness, burning in eyes or skin, nausea
Chronic Effects: Prolonged exposure could affect liver or kidneys, but data is limited
Carcinogenicity: No evidence of carcinogenicity in available studies
Sensitization: Possibility of allergic skin reaction from repeated exposure
Ecotoxicity: Harmful to aquatic organisms, can cause long-term negative effects in aquatic settings
Mobility: Limited by low water solubility
Persistence and Degradability: Doesn’t break down easily in the environment
Bioaccumulation: Potential for buildup in organisms is moderate based on structure
Special Precautions: Keep out of drains, soil, surface waters
Waste Disposal: Collect as hazardous waste, use a certified disposal contractor for chemical waste
Contaminated Packaging: Dispose using the same methods; triple rinse containers before discarding
Local Regulations: Follow state and municipal guidelines; document disposal
UN Number: Not classified by the UN for transport
Transport Hazard Class: Typically not regulated for road, rail, sea, or air
Packing Group: Usually not assigned
Special Precautions: Use labeled containers, store securely during transit, avoid rough handling
Spill Response: Carry spill kit and follow accident protocols
Regulatory Status: No major international restrictions
TSCA (US): Listed
REACH (EU): Not registered, use for research only
OSHA: Hazardous as per criteria but not specifically regulated
Other Guidelines: Label according to GHS requirements, prepare safety procedure documentation for staff
