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Chemical Name: 2,6-Dichloroaniline
Synonyms: 2,6-Dichlorobenzenamine
Chemical Formula: C6H5Cl2N
CAS Number: 608-31-1
Appearance: Pale to light yellow crystalline solid
Odor: Aromatic, sometimes slightly musty
Use: Often used in making dyes, agrochemicals, and pharmaceutical intermediates.
Source: This benzene derivative shows up in workshops and factories pushing the frontiers of chemical synthesis, dye manufacturing, and pesticide development.
Hazard Class: Acute toxicity, skin corrosion, eye irritation
Health Risks: Exposure through skin or inhalation can trigger irritation, chemical burns, and problems with the blood (such as methemoglobinemia)
Fire Risks: Flammable dust or vapor in high enough concentration can ignite; combustion may yield toxic and corrosive fumes
Environmental Risks: While not the most persistent organic pollutant, this compound can harm aquatic life and disrupt local ecologies if released carelessly
Signal Words: Danger (OSHA hazard communication)
Likely Routes of Exposure: Skin contact and inhalation top the list in production settings, with eye exposure a close third, especially when handling powders or during equipment cleaning
Main Ingredient: 2,6-Dichloroaniline—usually at or near 100% in reagent and industrial stock
Impurities: Chlorinated anilines, traces of chlorobenzene, other halogenated compounds might sneak in depending on how it’s made
Additives: Expect none in the pure chemical unless stabilization or anti-caking agents have been mixed in during transport or storage; always read the label and Safety Data Sheet (SDS) for the formulation you’re using.
Inhalation: Move the exposed person to clean air fast; watch for labored breathing, shortness of breath, or blue-tinted lips and fingers; if symptoms build, a trip to the doctor is essential
Skin Contact: Peeling off contaminated clothing and rinsing skin with water right away takes priority; persistent redness or blistering needs a medical look
Eye Contact: Flush eyes with water for at least 15 minutes; resistance to blinking and keeping eyelids apart matters; keep a bottle of sterile eyewash nearby in any lab stocking chlorinated anilines
Ingestion: Never provoke vomiting; rinse the mouth and seek medical attention—symptoms like dizziness, weakness, or headache could point to blood effects
Notes for Doctors: Look for signs of methemoglobinemia and treat as appropriate; supplemental oxygen and specific antidotes might come into play in serious overdoses.
Extinguishing Media: Small fires bow out to dry chemical powder, CO2, or foam; for larger, foam or water spray does better in containing fumes
Specific Hazards: Burning creates noxious, potentially deadly gases like hydrogen chloride, nitrogen oxides, and phosgene—never inhale the smoke and keep upwind
Protective Equipment: Anyone on the hose line should gear up with full-fire turnout gear and a self-contained breathing apparatus as toxic clouds can form fast
Advice: Keep runoff away from waterways and sewer lines; foam can trap fumes but also spread chemicals into drains, so block up stormwater grates.
Personal Precautions: Prioritize respiratory and skin protection; don a respirator, chemical-resistant gloves, goggles, and long sleeves
Cleanup Techniques: Loose powder or granules sweep up carefully with a non-sparking tool; vacuuming with explosion-proof units works better if available
Spill Containment: Dike around liquids; use absorbent materials but never sawdust or other organic absorbents—risk of spontaneous combustion is real with some amines
Ventilation: Clear the air in the affected area with local exhaust or open windows where possible, especially after a significant release
Waste Disposal: Collected material goes straight to sealed, labeled containers for hazardous waste disposal; follow local environmental laws tightly.
Handling: Only open drums and containers in well-ventilated areas or fume hoods; static discharge is an underrated risk—properly ground all containers and scoops
PPE: Gloves, chemical-resistant aprons, splash goggles, and, if there’s dust, a particulate respirator stay non-negotiable
Storage: Keep stocks in sealed containers, away from heat, flame, sunlight, acids, and strong oxidizers; humidity quickly clumps the powder, so keep things dry
Labeling: Always label every container clearly and double-check that outdated supplies are pulled promptly from the shelf.
Short-Term Exposure Limits (STEL): No established values in many countries, but lower is always safer; consult local regulations and internal policy
Engineering Controls: Local exhaust ventilation and closed systems eliminate much of the risk of airborne dust or vapor exposure; only trust certified fume hoods
PPE: The right gloves (nitrile or butyl rubber), goggles, face shield, and chemical-resistant clothing keep splashes and dust out; always wash hands before eating or drinking near the job
Monitoring: Regular air sampling matters in industrial labs and pilot plants; sensitive workers can wear badges to warn about high maximum workplace concentrations.
Form: Solid at room temperature, fine needle-like crystals in pure stock; powder in technical grade
Color: Ranges from white through pale yellow, darkening with age or exposure to air
Melting Point: About 71–73°C
Boiling Point: 272–273°C; slow evaporation under standard conditions
Solubility: Low in water, better in organics like ethanol and ether
Vapor Pressure: Low at ambient, but not negligible when heated
Odor Threshold: Detectable at moderate concentrations, slightly acrid or aromatic
Density: 1.37–1.39 g/cm³ (at 20°C)
Chemical Stability: Stays stable under normal temperature and pressure; light, air, and moisture start slow decomposition and can color the compound
Incompatible Materials: Strong oxidizing agents, acids, and acid chlorides can trigger violent reactions; mixing with hypochlorites or nitrates makes for trouble
Hazardous Decomposition: Hydrochloric acid vapors, nitrogen oxides, and phosgene pop up on thermal breakdown or fire
Polymerization: Not a concern under ordinary use, but never test a chemical’s patience with unauthorized mixing.
Acute Toxicity: Can cause methemoglobinemia, especially with large inhalation or skin absorption events; this results in reduced oxygen carrying capacity of the blood, producing cyanosis and weakness
Skin and Eye Effects: Contact causes prompt irritation, persistent redness, or burning; high concentration splashes can blister or burn
Chronic Exposure: Repeated or prolonged contact might sensitize skin; overexposure in factories has led to headaches, dizziness, darkening of the skin, and even blood disorders
Routes of Exposure: Inhalation, skin, and eyes all matter; oral intake less likely in work settings, but can happen from contaminated hands
Carcinogenicity: No strong evidence in humans, but chlorinated aromatic amines often get classified as suspect carcinogens by some regulators, so extra caution makes sense.
Other Effects: Little data links this chemical directly with reproductive toxicity, but general best practice dictates limiting volunteer exposure, especially for workers planning families.
Fish Toxicity: This compound harms aquatic organisms; fish and invertebrates exposed in runoff suffer from mortality and growth problems
Persistence: Moderate resistance to breakdown in the environment, especially in low-oxygen or cold settings
Bioaccumulation: Shows some potential to gather in organisms higher up the aquatic food chain; not the worst contaminant, but cause for concern if dumped
Soil Effects: Low mobility but slow breakdown means it can persist for years in groundwater and soil.
Incineration: Licensed chemical incinerators can destroy waste material at proper temperatures and with enough oxygen
Landfill: Not recommended for any significant amount; this chemical doesn’t break down fast and contaminates land
Other Methods: Some facilities may neutralize dilute waste streams, but centralizing waste through a licensed hazardous waste handler carries less risk
Law: National and local regulations often classify this as hazardous chemical waste—recordkeeping and full documentation shield site operators from fines.
Regulatory Status: Classed as hazardous for road, rail, sea, and air transport under UN recommendations
Packing Group: Usually falls under Group III (lower risk than the most dangerous) but still tightly regulated
Labeling: Both toxic and environmentally hazardous pictograms apply
Precautions: Use sealed drums, secondary containment, and clear labeling at every step; don’t load with incompatible chemicals.
Global Position: Many countries restrict use and require documented risk assessments before work begins
Chemical Inventories: Chemical watchers include this compound on special hazard lists in the US, EU, and parts of Asia; registration, reporting, and notification rules kick in over threshold amounts
Worker Rights: Employees have strong protections under most labor laws—free access to safety data, proper training, and PPE required by regulation
Environmental Rules: Some jurisdictions place strict limits on discharge, emission, and waste disposal; inspections and audits enforce compliance
Community Safety: Facilities with large inventories must notify local responders and have emergency plans that detail worst-case spill or fire scenarios, so both site staff and neighbors stay safe.
