© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Chemical Name: Phenylmercuric sulfanilamide
Chemical Formula: C12H12HgN2O2S
Common Uses: Preservative in cosmetic products, antibacterial agent in pharmaceutical settings
Physical Appearance: White to slightly yellow crystalline powder
Odor: Odorless
Solubility: Slightly soluble in water and ethanol
Main Risks: Chronic exposure brings real risk, especially to kidneys and nervous system, given mercury’s reputation for toxicity. Skin or eye contact often causes irritation, and the dust gets dangerous if inhaled. Direct ingestion causes significant harm.
Acute Effects: Irritation to skin, mucous membranes, and eyes. Short-term inhalation brings headaches, dizziness, and possibly respiratory distress.
Long-Term Effects: Mercury compounds carry the threat of cumulative poisoning, damaging organs and causing neurologic symptoms.
Environmental Impact: Bioaccumulation sits at the center of concern, especially for aquatic organisms exposed to even small quantities.
Main Component: Phenylmercuric sulfanilamide, over 90 percent by weight
Impurities: Low levels of related mercury compounds; specifics depend on synthesis method.
Mercury Content: Significant
Additives: Not typically present in bulk or pure shipments
Inhalation: Fresh air is a must at first sign of exposure. Medical help comes quickly if symptoms develop.
Skin Contact: Remove contaminated clothing, then rinse with running water for 15 minutes.
Eye Contact: Rinse eyes carefully with water, lifting eyelids often.
Ingestion: Thorough rinsing of the mouth followed by seeking urgent medical attention. No attempt should be made to induce vomiting.
Key Point: Medical attention is always the right call, given mercury’s toxicity.
Suitable Extinguishing Media: Dry chemicals, carbon dioxide, and foam get the job done. Water jets rarely help and sometimes make the spread worse.
Hazardous Decomposition: Combustion pushes the risk of toxic mercury fumes and sulfur oxides higher.
Protective Equipment: Full protective gear, complete with breathing apparatus, is not optional in a fire scene involving mercury compounds.
Special Risks: Mercury vapors form quickly under heat, presenting an immediate toxic hazard downwind.
Personal Precautions: Gloves and goggles are essential, and a respirator is crucial in areas with little ventilation.
Clean-Up Methods: Carefully contain and scoop spilled powder without stirring up dust. Contaminated surfaces need thorough washing with appropriate mercury decontamination solutions—plain soap and water do too little.
Environmental Precautions: Never wash the material into drains or open water. Collected waste heads straight for hazardous waste disposal channels.
Safe Handling: Use only in a fume hood or controlled space designed for toxic dusts. Avoid direct bodily contact or inhalation of any dust.
Storage Conditions: Airtight containers, away from acids or reducing agents, work best. The spot should be cool, dry, well-ventilated, and accessible only to those trained on mercury safety.
Incompatibles: Strong acids, oxidizers, and many organic materials promote the risk of hazardous reactions.
Engineering Controls: Local exhaust ventilation is crucial in any setting with dust potential. Closed handling systems reduce the chance of exposure.
Personal Protective Equipment: Gloves, chemical goggles, lab coats, and certified respirators keep risk at bay. Eating, drinking, or smoking anywhere near the chemical goes against common sense.
Exposure Limits: Occupational limits for mercury dictate time-weighted averages, and adhering to these is nonnegotiable.
Appearance: Solid powder, usually pure white or faintly yellow.
Melting Point: Around 185-190°C under typical conditions.
Solubility: Marginally soluble in water, more so in some organic solvents.
Odor: Lacks any characteristic smell.
Vapor Pressure: Essentially negligible at room temperature.
Other Notables: Stable in dry air, but humidity can start minor decomposition.
Chemical Stability: Remains stable under ordinary, dry storage conditions.
Reactivity: Exposure to acids, strong oxidizers, or heat accelerates decomposition, sometimes producing highly toxic mercury and sulfur fumes.
Dangerous Byproducts: Mercury vapor tops the list of combustion or high-temp hazards.
Polymerization: Not likely under normal handling.
Acute Toxicity: Swallowing or inhaling even small amounts may cause abdominal pain, vomiting, and neurologic symptoms.
Chronic Toxicity: Over time, mercury builds up in the body, damaging the kidneys, nerves, and possibly leading to subtle or severe behavioral and cognitive changes.
Skin and Eye Contact: Repeated or prolonged exposure irritates and possibly sensitizes skin. Eyes redden quickly with direct exposure.
Routes of Exposure: Major pathways are skin, eyes, inhalation, and ingestion.
Toxicity to Aquatic Life: Mercury-based chemistry persists and accumulates, and phenylmercuric sulfanilamide is no exception—fish and invertebrates take the biggest hit.
Bioaccumulation: Moves up aquatic food chains, making even low-level leaks cause for real concern down the line.
Soil Mobility: Travels slowly but sticks around, meaning old contamination lingers for years.
Persistence: Breaks down slowly, so once released into the ecosystem, long-term effects are likely.
Disposal Method: Hazardous waste treatment must handle all residues and contaminated materials—regular landfill disposal never fits these chemicals.
Container Handling: Rinsed and triple-checked, spent containers should follow hazardous waste procedures, too.
Precautions: Recycling or unauthorized disposal runs the risk of mercury pollution, so it’s a matter for the professionals, not a general waste bin.
Classification: Mercury compounds land on major international lists of hazardous cargo, so special rules apply.
Packaging: Leak-proof, rigid containers, clearly labeled and secure.
Handling: Only trained personnel manage shipping and receipt, given the legal and safety risks surrounding mercury movement.
Accident Response: Clean-up gear and exposure-prevention kits belong on hand wherever shipments are received.
Restricted Status: Mercury compounds, including phenylmercuric sulfanilamide, face stringent controls under chemical safety and environmental rules in many countries.
Workplace Controls: Occupational exposure standards exist to cap permissible exposure limits for workers.
Record-Keeping: Regulations demand documentation of quantities, use, disposal, and incidents—no cutting corners.
Reporting: Spills or exposures over threshold levels prompt immediate notification to environmental and public health authorities.
Labeling: Containers must bear clear hazard markings, consistent with chemical safety protocols.
