Product Name: 3,4-Dichloroaniline-6-Sulfonic Acid
Chemical Formula: C6H4Cl2NHSO3H
CAS Number: 88-61-9
Recommended Use: Intermediate for dyes, specialty chemicals, research applications
Supplier Details: Contact manufacturers or distributors authorized to handle laboratory and industrial chemicals
Emergency Phone: Local Poison Control Center or Company Emergency Number
Classification: Acute toxicity (oral), skin irritation, serious eye damage, aquatic toxicity
Hazard Statements: Harmful if swallowed; Causes skin and eye irritation; Very toxic to aquatic life with long lasting effects
Pictograms: GHS07 (Exclamation Mark), GHS09 (Environment)
Signal Word: Warning
Precautionary Statements: Avoid release to environment; Wash hands thoroughly after handling; Wear protective gloves, eye and face protection
Chemical Name: 3,4-Dichloroaniline-6-Sulfonic Acid
Chemical Family: Aromatic amine sulfonic acid
Percentage: >97% by weight
Impurities: Trace quantities of chloroaniline, sulfonated aromatic by-products
Molecular Weight: 242.08 g/mol
Eye Contact: Rinse thoroughly with clean water for several minutes, lifting eyelids occasionally to ensure full irrigation; Seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing; Rinse skin immediately with plenty of soap and water for at least 15 minutes; Contact physician if symptoms develop
Inhalation: Move affected person to fresh air without delay; Keep comfortable for breathing; Medical attention is needed if respiratory symptoms persist
Ingestion: Do not induce vomiting; Rinse mouth with water; Never give anything by mouth to an unconscious person; Immediate medical advice is required
Most Important Symptoms: Eye irritation, skin redness, stomach upset, cough, difficulty breathing
Suitable Extinguishing Media: Dry chemical, carbon dioxide, water spray, foam
Unsuitable Extinguishing Media: Strong water jets, as they may spread the chemical
Hazardous Combustion Products: Hydrogen chloride, nitrogen oxides, sulfur oxides, carbon monoxide, carbon dioxide
Specific Hazards: Dust may form explosive mixtures in air; Fire may release toxic and corrosive gases
Protective Equipment: Firefighters should use self-contained breathing apparatus and full protective clothing
Precaution in Firefighting: Prevent chemical from entering drains or watercourses during fire response
Personal Precautions: Evacuate area; Use personal protective equipment, including gloves and safety goggles; Avoid dust formation
Environmental Precautions: Prevent spillage from reaching waterways, soil, and drains
Methods for Cleaning Up: Sweep up material using non-sparking tools and transfer to a labeled container for disposal; Ventilate area; Avoid dry sweeping if dust is created; Use wet methods when possible
Safe Handling: Work in a well-ventilated area; Do not breathe dust; Avoid skin and eye contact; Do not eat, drink, or smoke while using chemical
General Hygiene: Wash hands before smoking or eating and after handling product
Safe Storage: Store in cool, dry, and well-ventilated area; Keep tightly sealed in original container
Storage Restrictions: Store away from strong oxidizers, acids, and bases; Protect from sunlight and sources of ignition
Incompatibilities: Strong acids, bases, oxidizing agents
Engineering Controls: Use process enclosures, local exhaust ventilation, or other engineering controls to limit airborne exposures
Exposure Limits: No ACGIH TLV or OSHA PEL set for this compound, but minimize exposure to dust
Respiratory Protection: Use NIOSH-approved respirators for dust if exposure limits may be exceeded
Hand Protection: Wear chemical-resistant gloves, such as nitrile or neoprene
Eye Protection: Use chemical safety goggles or face shield
Skin Protection: Wear lab coat or apron and avoid open skin exposure
Workplace Hygiene: Emergency eyewash and shower facilities should be available
Appearance: Off-white to pale tan powder or crystalline solid
Odor: Mild, slightly musty
Odor Threshold: Not determined
pH (1% Solution): Acidic
Melting Point: Approximately 240–245°C (decomposes)
Boiling Point: Not applicable (decomposes before boiling)
Solubility: Soluble in water, especially hot water
Vapor Pressure: Negligible at room temperature
Density: About 1.8–2.0 g/cm³
Partition Coefficient: Not available
Flash Point: Not established; solid decomposes
Explosion Limits: Not applicable
Chemical Stability: Stable under normal conditions if kept dry and away from incompatible substances
Hazardous Reactions: May react with strong acids, strong bases, or oxidizing agents
Conditions to Avoid: Excessive heat, moisture, direct sunlight, strong oxidizing materials
Decomposition Products: Toxic fumes of hydrochloric acid, nitrogen oxides, sulfur oxides
Polymerization: Product does not undergo dangerous polymerization
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: LD50 (oral, rat) approximately 600–800 mg/kg
Skin Corrosion/Irritation: Causes irritation on prolonged exposure; may cause redness and pain
Eye Damage/Irritation: Severe irritation, potential for corneal injury
Respiratory Sensitization: Not recognized as a respiratory sensitizer, but dust inhalation should be avoided
Skin Sensitization: May cause allergic skin reactions in sensitive individuals
Chronic Effects: Prolonged or repeated exposure may injure liver and kidneys
Mutagenicity/Carcinogenicity: Not classified by IARC, NTP, or OSHA; related anilines may require careful handling
Other Effects: May cause gastrointestinal disturbance if ingested
Ecotoxicity: Highly toxic to aquatic organisms; may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Expected to be persistent due to complex aromatic structure
Bioaccumulation Potential: Moderate; aromatic amines can bioaccumulate in aquatic life
Mobility in Soil: Moderately mobile, risk of leaching to groundwater
Other Adverse Effects: Toxic to fish and invertebrates, potential risk to terrestrial wildlife near contaminated sites
Disposal Methods: Dispose in accordance with local, regional, and national regulations; Incineration is preferred, followed by disposal as hazardous chemical waste
Contaminated Packaging: Empty packaging must be disposed as hazardous waste; Do not reuse containers
Special Precautions: Do not release into sewers, waterways, or soil
UN Number: UN 3077
Proper Shipping Name: Environmentally hazardous substance, solid, n.o.s. (3,4-Dichloroaniline-6-Sulfonic Acid)
Transport Hazard Class: 9 (Miscellaneous Dangerous Substances and Articles)
Packing Group: III
Marine Pollutant: Yes, significant risk for waterborne transport
Additional Information: Follow all environmental and safety transport provisions for hazardous substances
OSHA: Considered hazardous under OSHA regulations
TSCA: Listed or subject to significant new use rules
DSL/NDSL (Canada): May be listed; check local compliance
REACH (EU): Subject to registration and possible restrictions
SARA Title III: This material contains hazardous ingredients as established by SARA 313 reporting requirements
Other Local/Global Regulations: Subject to environmental regulations; consult national chemical inventory and environmental protection agencies for details
