Product Name: 2,6-Dichlorobenzonitrile
Other Names: Dichlobenil, DCBN
CAS No.: 1194-65-6
Recommended Use: Herbicide, chemical intermediate
Manufacturer: [Insert company/contact info]
Emergency Contact: [Insert emergency phone number]
GHS Classification: Acute toxicity (oral and inhalation), Eye irritation, Skin irritation
Hazard Statements: Harmful if swallowed or inhaled, Causes skin and eye irritation
Pictograms: Exclamation mark
Precautionary Statements: Avoid breathing dust/fume/gas/mist/vapors/spray, Wash thoroughly after handling, Use only outdoors or in a well-ventilated area, Wear protective gloves, protective clothing, and eye protection
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Effects of Exposure: Respiratory tract irritation, nausea, vomiting, headache, eye redness and tearing, skin redness and discomfort
Target Organs: Lungs, skin, eyes
Environmental Hazard: Toxic to aquatic life with long-lasting effects
Chemical Name: 2,6-Dichlorobenzonitrile
SYNONYMS: Dichlobenil
Concentration: >99%
Molecular Formula: C7H3Cl2N
EC Number: 214-787-5
Impurities: Trace levels of related compounds or byproducts may be present, not believed to significantly affect hazard classification
Inhalation: Move exposed person to fresh air. Get medical attention if breathing is difficult or coughing persists.
Skin Contact: Remove contaminated clothing, rinse skin thoroughly with running water and soap. Seek medical advice if irritation persists.
Eye Contact: Immediately flush eyes with water for at least 15 minutes, holding eyelids apart. Remove contact lenses if present and easy to do. Get prompt medical attention.
Ingestion: Rinse mouth. Do not induce vomiting unless directed by medical personnel. Never give anything by mouth to an unconscious person. Seek immediate medical advice.
Most Important Symptoms: Irritation of respiratory tract, eyes, skin. Symptoms may include itching, redness, burning sensation, headache, nausea.
Suitable Extinguishing Media: Dry chemical powder, carbon dioxide, foam, water spray (not directly on burning liquid to avoid spreading)
Unsuitable Media: Direct stream of water may spread fire
Hazards: Combustion liberates toxic gases such as hydrogen chloride, nitrogen oxides, and cyanide compounds
Protective Equipment: Firefighters should use self-contained breathing apparatus and full protective gear
Special Precautions: Evacuate area and fight fire from a safe distance. Cool containers with flooding quantities of water until well after fire is out.
Personal Protection: Wear gloves, chemical goggles, and protective clothing. Use respiratory protection suitable for dust exposure.
Environmental Precautions: Prevent run-off to waterways, drains, and soil. Avoid release to the environment as it is toxic to aquatic organisms.
Containment and Cleanup: Sweep up (avoid creating dust), place in a suitable labelled container for disposal. Ventilate area. Wash spill site after material pick-up is complete. Avoid contact with water bodies.
Handling: Keep away from heat, sparks, and open flame. Store away from food and feedstuffs. Use good industrial hygiene practices, avoid inhaling dust, and wash hands after handling.
Storage: Store in tightly closed containers, in a dry, well-ventilated place away from incompatible substances such as acids, bases, and strong oxidizers. Keep away from solvents and direct sunlight. Secure area to avoid unauthorized access. Storage rooms or cabinets should be clearly labeled and not accessible to untrained personnel. Do not store together with strong acids or alkalis.
Exposure Limits: No established OSHA, ACGIH, or NIOSH limits; use workplace monitoring to prevent inhalation of nuisance dust
Engineering Controls: Local exhaust ventilation, process enclosure, or other engineering controls to keep airborne levels below recommended exposure limits
Personal Protection: Respirator (if exposure risk exists), safety glasses/goggles, gloves (nitrile or neoprene recommended), lab coat or chemical-resistant apron
Hygiene Measures: Wash hands before breaks and after work. Do not eat, drink, or smoke during use. Remove contaminated clothing and wash before reuse.
Environmental Exposure Controls: Do not allow product to reach sewage system or water sources. Use bunding or barriers to contain accidental spills.
Appearance: White to off-white crystalline solid
Odor: Faint aromatic odor
Odor Threshold: Not established
pH: Not applicable (insoluble in water)
Melting Point: 145–147°C
Boiling Point: 285–288°C (decomposes)
Flash Point: Not flammable
Evaporation Rate: Not determined
Flammability: Not easily ignitable
Vapor Pressure: < 0.0001 mmHg at 20°C
Vapor Density: Not applicable
Solubility: Insoluble in water, soluble in acetone and organic solvents
Density: ~1.47 g/cm³
Partition Coefficient (log Kow): 2.8
Auto-ignition Temp: Not self-igniting
Decomposition Temperature: No data available
Reactivity: Stable under normal conditions
Chemical Stability: Stable in unopened original packaging under recommended conditions
Possibility of Hazardous Reactions: May react with strong oxidizers or acids
Conditions to Avoid: Excessive heat, open flame, direct sunlight, incompatible substances such as acids, alkalis, and oxidizers
Incompatible Materials: Strong acids, strong bases, oxidizing agents
Hazardous Decomposition Products: Hydrogen chloride, cyanides, nitrogen oxides, toxic fumes formed during fire or thermal decomposition
Likely Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: LD50 (oral, rat): 475 mg/kg; LD50 (dermal, rat): >2,000 mg/kg
Skin Corrosion/Irritation: Causes skin irritation
Eye Damage/Irritation: Causes eye irritation
Respiratory or Skin Sensitization: Not classified as a sensitizer
Chronic Effects: No definitive evidence of carcinogenicity, mutagenicity, or reproductive toxicity in available data
Other Effects: In high concentrations, dust may cause headache, dizziness, and respiratory discomfort
Aquatic Toxicity: Highly toxic to aquatic organisms (LC50 for fish < 5 mg/L)
Persistence and Degradability: Breaks down slowly in soil and water, considered to have moderate persistence
Bioaccumulation Potential: Moderate potential (log Kow 2.8)
Mobility in Soil: Low mobility, adsorbs to soil particles
Other Adverse Effects: Harmful to non-target plants and animals. Avoid contamination of water systems through use and waste disposal.
Waste Disposal: Follow local, regional, and national regulations. Collect and place waste in properly labelled containers for approved chemical disposal facility.
Container Disposal: Triple rinse and puncture containers, dispose of in accordance with regulations.
Contaminated Packaging: Handle and dispose of as hazardous waste.
Environmental Caution: Prevent large releases to soil, drains, and surface waters.
UN number: 2811
UN proper shipping name: Toxic Solid, Organic, N.O.S. (contains 2,6-Dichlorobenzonitrile)
Transport hazard class: 6.1 (Toxic Substances)
Packing group: III
Environmental Hazards: Marine pollutant
Special precautions for user: See Section 8 for personal protection. Follow proper security and signage for hazardous transport.
DOT, ADR, IMDG, IATA: Regulated as toxic solid for all major transport modalities
Labeling: Hazard pictogram(s), signal word "Warning", hazard and precaution statements
International Inventories: Listed in TSCA, EINECS/ELINCS, AICS, DSL/NDSL
US Regulations: Subject to regulations for hazardous substances, SARA 302, 313 listed
EU Regulations: CLP Classification: Harmful (Xn), Dangerous for the Environment (N)
Other Requirements: Workers must be trained in handling, storage, and emergency response for toxic chemicals. Safety Data Sheet must remain accessible in the workplace. Environmental discharges must meet reporting and control standards.
